Cisco 7961G-GE - IP Phone VoIP, 7941G, 7941G-GE, 7961G Administration Manual

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Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE Administration Guide for Cisco Unified Communications Manager 6.0
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Text Part Number: OL-11953-01
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THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.
THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.
The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.
The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency energy. If it is not installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.
Modifying the equipment without Cisco’s written authorization may result in the equipment no longer complying with FCC requirements for Class A or Class B digital devices. In that event, your right to use the equipment may be limited by FCC regulations, and you may be required to correct any interference to radio or television communications at your own expense.
You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:
• Turn the television or radio antenna until the interference stops.
• Move the equipment to one side or the other of the television or radio.
• Move the equipment farther away from the television or radio.
• Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.)
Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.
The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB’s public domain version of the UNIX operating system. All rights reserved. Copyright © 1981, Regents of the University of California.
NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS” WITH ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.
IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0704R)
The Java logo is a trademark or registered trademark of Sun Microsystems, Inc. in the U.S. or other countries.
Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.0
© 2007 Cisco Systems, Inc. All rights reserved.
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CONTENTS
Preface xiii
Overview xiii
Audience xiii
Organization xiv
Related Documentation xv
Obtaining Documentation, Obtaining Support, and Security Guidelines xvi
Cisco Product Security Overview xvi
Document Conventions xvii
CHAPTER
1 An Overview of the Cisco Unified IP Phone 1-1
Understanding the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE
1-2
What Networking Protocols are Used? 1-5
What Features are Supported on the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE?
1-10
Feature Overview 1-10 Configuring Telephony Features 1-11 Configuring Network Parameters Using the Cisco Unified IP Phone 1-12 Providing Users with Feature Information 1-12
Understanding Security Features for Cisco Unified IP Phones 1-13
Overview of Supported Security Features 1-15 Understanding Security Profiles 1-19 Identifying Encrypted and Authenticated Phone Calls 1-19
Establishing and Identifying Secure Conference Calls 1-20
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Call Security Interactions and Restrictions 1-20
Supporting 802.1X Authentication on Cisco Unified IP Phones 1-23
Overview 1-23 Required Network Components 1-24 Best Practices—Requirements and Recommendations 1-24
Security Restrictions 1-25
Overview of Configuring and Installing Cisco Unified IP Phones 1-26
Configuring Cisco Unified IP Phones in Cisco Unified Communications Manager
Checklist for Configuring the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE in Cisco Unified Communications Manager
Installing Cisco Unified IP Phones 1-32
Checklist for Installing the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE
1-26
1-32
1-27
CHAPTER
2 Preparing to Install the Cisco Unified IP Phone on Your Network 2-1
Understanding Interactions with Other Cisco Unified IP Telephony Products 2-2
Understanding How the Cisco Unified IP Phone Interacts with Cisco Unified Communications Manager
2-2
Understanding How the Cisco Unified IP Phone Interacts with the VLAN 2-3
Providing Power to the Cisco Unified IP Phone 2-4
Power Guidelines 2-5 Power Outage 2-7 Obtaining Additional Information about Power 2-7
Understanding Phone Configuration Files 2-8
Understanding the Phone Startup Process 2-10
Adding Phones to the Cisco Unified Communications Manager Database 2-13
Adding Phones with Auto-Registration 2-14 Adding Phones with Auto-Registration and TAPS 2-15
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Adding Phones with Cisco Unified Communications Manager Administration
Adding Phones with BAT 2-17
Using Cisco Unified IP Phones with Different Protocols 2-18
Converting a New Phone from SCCP to SIP 2-18 Converting an In-Use Phone from SCCP to SIP 2-19 Converting an In-Use Phone from SIP to SCCP 2-19 Deploying a Phone in an SCCP and SIP Environment 2-20
Determining the MAC Address for a Cisco Unified IP Phone 2-20
2-17
Contents
CHAPTER
3 Setting Up the Cisco Unified IP Phone 3-1
Before You Begin 3-2
Network Requirements 3-2 Cisco Unified Communications Manager Configuration 3-2
Understanding the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE Components
3-3
Network and Access Ports 3-4 Handset 3-4 Speakerphone 3-5 Headset 3-5
Audio Quality Subjective to the User 3-6 Connecting a Headset 3-6 Disabling a Headset 3-6 Using External Devices with Your Cisco Unified IP Phone 3-7
Installing the Cisco Unified IP Phone 3-8
Attaching the Cisco Unified IP Phone Expansion Module 7914 (SCCP Phones Only)
Adjusting the Placement of the Cisco Unified IP Phone 3-13
Adjusting Cisco Unified IP Phone Placement on the Desktop 3-13 Securing the Phone with a Cable Lock 3-13
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Mounting the Phone to the Wall 3-14
Verifying the Phone Startup Process 3-16
Configuring Startup Network Settings 3-18
Configuring Security on the Cisco Unified IP Phone 3-18
CHAPTER
4 Configuring Settings on the Cisco Unified IP Phone 4-1
Configuration Menus on the Cisco Unified IP Phone 4-1
Displaying a Configuration Menu 4-2 Unlocking and Locking Options 4-3 Editing Values 4-4
Overview of Options Configurable from a Phone 4-5
Network Configuration Menu 4-7
Device Configuration Menu 4-15
CallManager Configuration Menu 4-16 SIP Configuration Menu (SIP Phones Only) 4-17
SIP General Configuration Menu 4-17
Line Settings Menu 4-20 Call Preferences Menu 4-21 HTTP Configuration Menu 4-22 Locale Configuration Menu 4-24
UI Configuration Menu 4-26 Media Configuration Menu 4-29 Ethernet Configuration Menu 4-36 Security Configuration Menu 4-37 QoS Configuration Menu 4-38 Network Configuration Menu 4-39
Security Configuration Menu 4-44
CTL File Screen 4-45
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NTP Configuration Menu 4-25
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Trust List Screen 4-47
802.1X Authentication and Status 4-48
Contents
CHAPTER
CHAPTER
5 Configuring Features, Templates, Services, and Users 5-1
Telephony Features Available for the Cisco Unified IP Phone 5-2
Configuring Corporate and Personal Directories 5-26
Configuring Corporate Directories 5-26 Configuring Personal Directory 5-27
Modifying Phone Button Templates 5-27
Configuring Softkey Templates 5-28
Setting Up Services 5-29
Adding Users to Cisco Unified Communications Manager 5-30
Managing the User Options Web Pages 5-31
Giving Users Access to the User Options Web Pages 5-31 Specifying Options that Appear on the User Options Web Pages 5-31
6 Customizing the Cisco Unified IP Phone 6-1
Customizing and Modifying Configuration Files 6-1
Creating Custom Phone Rings 6-2
Ringlist.xml File Format Requirements 6-2 PCM File Requirements for Custom Ring Types 6-3 Configuring a Custom Phone Ring 6-4
Creating Custom Background Images 6-5
List.xml File Format Requirements 6-5 PNG File Requirements for Custom Background Images 6-6 Configuring a Custom Background Image 6-7
Configuring Wideband Codec 6-8
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CHAPTER
CHAPTER
7 Viewing Model Information, Status, and Statistics on the Cisco
Unified IP Phone
7-1
Model Information Screen 7-2
Status Menu 7-3
Status Messages Screen 7-4 Network Statistics Screen 7-13 Firmware Versions Screen 7-15 Expansion Module Status Screen (SCCP Phones Only) 7-16 Call Statistics Screen 7-17
8 Monitoring the Cisco Unified IP Phone Remotely 8-1
Accessing the Web Page for a Phone 8-2
Disabling and Enabling Web Page Access 8-4
Device Information 8-5
Network Configuration 8-6
CHAPTER
Network Statistics 8-11
Device Logs 8-13
Streaming Statistics 8-14
9 Troubleshooting and Maintenance 9-1
Resolving Startup Problems 9-2
Symptom: The Cisco Unified IP Phone Does Not Go Through its Normal Startup Process
9-2
Symptom: The Cisco Unified IP Phone Does Not Register with Cisco Unified Communications Manager
Identifying Error Messages 9-4
Checking Network Connectivity 9-4
Verifying TFTP Server Settings 9-4
Verifying IP Addressing and Routing 9-5
9-3
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Verifying DNS Settings 9-5
Verifying Cisco Unified Communications Manager Settings 9-6
Cisco Unified Communications Manager and TFTP Services Are Not
Running
Creating a New Configuration File 9-7
Registering the Phone with Cisco Unified Communications Manager 9-8 Symptom: Cisco Unified IP Phone Unable to Obtain IP Address 9-8
Cisco Unified IP Phone Resets Unexpectedly 9-8
Verifying the Physical Connection 9-9 Identifying Intermittent Network Outages 9-9 Verifying DHCP Settings 9-10 Checking Static IP Address Settings 9-10 Verifying the Voice VLAN Configuration 9-10
9-6
Contents
Verifying that the Phones Have Not Been Intentionally Reset 9-11 Eliminating DNS or Other Connectivity Errors 9-11 Checking Power Connection 9-12
Troubleshooting Cisco Unified IP Phone Security 9-12
General Troubleshooting Tips 9-15
General Troubleshooting Tips for the Cisco Unified IP Phone Expansion Module 7914 (SCCP Phones Only)
9-18
Resetting or Restoring the Cisco Unified IP Phone 9-18
Performing a Basic Reset 9-19 Performing a Factory Reset 9-20
Using the Quality Report Tool 9-21
Monitoring the Voice Quality of Calls 9-21
Using Voice Quality Metrics 9-22 Troubleshooting Tips 9-24
Where to Go for More Troubleshooting Information 9-25
Cleaning the Cisco Unified IP Phone 9-25
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Contents
APPENDIX
APPENDIX
APPENDIX
A Providing Information to Users Via a Website A-1
How Users Obtain Support for the Cisco Unified IP Phone A-2
Giving Users Access to the User Options Web Pages A-2
How Users Access the Online Help System on the Cisco Unified IP Phone A-2
How Users Get Copies of Cisco Unified IP Phone Manuals A-3
How Users Subscribe to Services and Configure Phone Features A-4
How Users Access a Voice Messaging System A-5
How Users Configure Personal Directory Entries A-5
Installing and Configuring the Cisco Unified IP Phone Address Book Synchronizer
B Feature Support by Protocol for Cisco Unified IP Phone 7961G/7961G-GE and
7941G/7941G-GE
C Supporting International Users C-1
A-6
B-1
APPENDIX
I
NDEX
Adding Language Overlays to Phone Buttons C-1
Installing the Cisco Unified Communications Manager Locale Installer C-2
D Technical Specifications D-1
Physical and Operating Environment Specifications D-1
Cable Specifications D-2
Network and Access Port Pinouts D-3
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Overview
Preface
Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE Administration Guide for Cisco Unified Communications Manager 6.0 provides the information
you need to understand, install, configure, manage, and troubleshoot the phones on a Voice-over-IP (VoIP) network.
Audience
Because of the complexity of a Unified Communications network, this guide does not provide complete and detailed information for procedures that you need to perform in Cisco Unified Communications Manager (formerly Cisco Unified CallManager) or other network devices. See the “Related Documentation” section
on page xv for a list of related documentation.
Network engineers, system administrators, or telecom engineers should review this guide to learn the steps required to properly set up the Cisco Unified IP Phone on the network.
The tasks described are administration-level tasks and are not intended for end-users of the phones. Many of the tasks involve configuring network settings and affect the phone’s ability to function in the network.
Because of the close interaction between the Cisco Unified IP Phone and Cisco Unified Communications Manager, many of the tasks in this manual require familiarity with Cisco Unified Communications Manager.
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Organization
Organization
This manual is organized as follows:
Chapter Description
Preface
Chapter 1, “An Overview of the Cisco Unified IP Phone”
Chapter 2, “Preparing to Install the Cisco Unified IP Phone on Your Network”
Chapter 3, “Setting Up the Cisco Unified IP Phone”
Chapter 4, “Configuring Settings on the Cisco Unified IP Phone”
Chapter 5, “Configuring Features, Templates, Services, and Users”
Chapter 6, “Customizing the Cisco Unified IP Phone”
Provides a conceptual overview and description of the Cisco Unified IP Phone
Describes how the Cisco Unified IP Phone interacts with other key IP telephony components, and provides an overview of the tasks required prior to installation
Describes how to properly and safely install and configure the Cisco Unified IP Phone on your network
Describes how to configure network settings, verify status, and make global changes to the Cisco Unified IP Phone
Provides an overview of procedures for configuring telephony features, configuring directories, configuring phone button and softkey templates, setting up services, and adding users to Cisco Unified Communications Manager
Explains how to customize phone ring sounds, background images, and the phone idle display at your site
Chapter 7, “Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone”
Chapter 8, “Monitoring the Cisco Unified IP Phone Remotely”
Chapter 9, “Troubleshooting and Maintenance”
Appendix A, “Providing Information to Users Via a Website”
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Explains how to view model information, status messages, network statistics, and firmware information from the Cisco Unified IP Phone
Describes the information that you can obtain from the phone’s web page, and how to use this information to remotely monitor the operation of a phone and to assist with troubleshooting
Provides tips for troubleshooting the Cisco Unified IP Phone
Provides suggestions for setting up a website for providing users with important information about their Cisco Unified IP Phones
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Preface
Related Documentation
Appendix B, “Feature Support by Protocol for Cisco Unified IP Phone
Provides information about feature support for the Cisco Unified IP Phone using the SCCP or SIP protocol
7961G/7961G-GE and 7941G/7941G-GE”
Appendix C, “Supporting International Users”
Provides information about setting up phones in non-English environments
Appendix D, “Technical Specifications” Provides technical specifications of the Cisco
Unified IP Phone
Related Documentation
For more information about Cisco Unified IP Phones or Cisco Unified Communications Manager, refer to the following publications:
Cisco Unified IP Phone 7961G, 7961G-GE and 7941G, 7941G-GE
These publications are available at the following URL:
http://www.cisco.com/en/US/products/hw/phones/ps379/tsd_products_support _series_home.html
Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE Phone
Guide
Cisco Unified IP Phone 7941G and 7941G-GE Installation Guide
Cisco Unified IP Phone 7961G and 7961G-GE Installation Guide
Cisco Unified IP Phone Features A–Z
Cisco Unified IP Phone Expansion Module 7914 Phone Guide
Installing the Wall Mount Kit for the Cisco Unified IP Phone
Regulatory Compliance and Safety Information for the Cisco
Unified IP Phone 7900 Series
Cisco Unified Communications Manager
These publications are available at the following URL:
http://www.cisco.com/en/US/products/sw/voicesw/ps556/tsd_products_support_ series_home.html
Cisco Unified Communications Manager Administration Guide
Cisco Unified Communications Manager System Guide
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Obtaining Documentation, Obtaining Support, and Security Guidelines
Cisco Unified Communications Manager Security Guide
Cisco Unified Communications Manager Serviceability Administration
Guide
Cisco Unified Communications Manager Serviceability System Guide
Cisco Unified Communications Manager Features and Services Guide
Cisco Unified Communications Manager Bulk Administration Guide
Cisco Unified Communications Manager Troubleshooting Guide
Installing and Configuring the Cisco Customer Directory Configuration
Plugin
Cisco Unified Communications Platform Administration Guide
Cisco Unified Communications Manager Compatibility Matrix
Preface
Obtaining Documentation, Obtaining Support, and Security Guidelines
For information about obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and recommended aliases and general Cisco documents, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
Cisco Product Security Overview
This product contains cryptographic features and is subject to United States and local country laws governing import, export, transfer and use. Delivery of Cisco cryptographic products does not imply third-party authority to import, export, distribute or use encryption. Importers, exporters, distributors and users are responsible for compliance with U.S. and local country laws. By using this product you agree to comply with applicable laws and regulations. If you are unable to comply with U.S. and local laws, return this product immediately.
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Preface
A summary of U.S. laws governing Cisco cryptographic products may be found at: http://www.cisco.com/wwl/export/crypto/tool/stqrg.html. If you require further assistance please contact us by sending email to export@cisco.com.
Document Conventions
This document uses the following conventions:
Convention Description
boldface font Commands and keywords are in boldface.
italic font Arguments for which you supply values are in italics.
[ ] Elements in square brackets are optional.
Document Conventions
{ x | y | z } Alternative keywords are grouped in braces and separated by vertical bars.
[ x | y | z ] Optional alternative keywords are grouped in brackets and separated by
vertical bars.
string A nonquoted set of characters. Do not use quotation marks around the string
or the string will include the quotation marks.
screen font Terminal sessions and information the system displays are in screen font.
boldface screen font Information you must enter is in boldface screen font.
italic screen font Arguments for which you supply values are in italic screen font.
^ The symbol ^ represents the key labeled Control—for example, the key
combination ^D in a screen display means hold down the Control key while you press the D key.
< > Nonprinting characters, such as passwords are in angle brackets.
Note Means reader take note. Notes contain helpful suggestions or references to
material not covered in the publication.
Caution Means reader be careful. In this situation, you might do something that could
result in equipment damage or loss of data.
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Document Conventions
Preface
Warning
Means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents.
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CHAPTER
1
An Overview of the Cisco Unified IP Phone
The Cisco Unified IP Phone 7961G and 7961G-GE (gigabit Ethernet version) and the 7941G and 7941G-GE (gigabit Ethernet version) are full-feature telephones that provide voice communication over an Internet Protocol (IP) network. The gigabit Ethernet Cisco Unified IP Phone 7961G-GE and 7941G-GE deliver the latest technology and advancements in Gigabit Ethernet VoIP telephony. The Cisco Unified IP Phone functions much like a digital business phone, allowing you to place and receive phone calls and to access features such as mute, hold, transfer, speed dial, call forward, and more. In addition, because the phone is connected to your data network, it offers enhanced IP telephony features, including access to network information and services, and customizeable features and services. The phone also supports security features that include file authentication, device authentication, signaling encryption, and media encryption.
The Cisco Unified IP Phone, like other network devices, must be configured and managed. The phone encodes G.711a, G.711µ, G.729a, G.729ab, and decodes all variants of G.711, and G.729. The phone also supports wideband (16bits, 16kHz) audio.
This chapter includes the following topics:
Understanding the Cisco Unified IP Phone 7961G/7961G-GE and
7941G/7941G-GE, page 1-2
What Networking Protocols are Used?, page 1-5
What Features are Supported on the Cisco Unified
IP Phone 7961G/7961G-GE and 7941G/7941G-GE?, page 1-10
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Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE
Understanding Security Features for Cisco Unified IP Phones, page 1-13
Overview of Configuring and Installing Cisco Unified IP Phones, page 1-26
Caution Using a cell, mobile, or GSM phone, or two-way radio in close proximity to a
Cisco Unified IP Phone might cause interference. For more information, refer to the manufacturer's documentation of the interfering device.
Understanding the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE
Figure 1-1 shows the main components of the Cisco Unified IP Phone 7961G and
7961G-GE, and Figure 1-2 shows the main components of the Cisco Unified IP Phone 7941G and 7941G-GE.
Figure 1-1 Cisco Unified IP Phone 7961G and 7961G-GE
2
1
3
16
1
4
5
7
9
101112131415
6
8
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Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE
Figure 1-2 Cisco Unified IP Phone 7941G and 7941G-GE
16
2
13
1
4
5
6
7
8
9
101112131415
137504
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Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE
1 Programmable
buttons
Depending on configuration, programmable buttons provide access to:
Phone lines (line buttons)
Speed-dial numbers (speed-dial buttons, including the BLF speed-dial
feature)
Web-based services (for example, a Personal Address Book (PAB)
button)
Phone features (for example, a Privacy button)
The buttons illuminate to indicate status:
Green, steady—Active call
Green, flashing—Held call
Amber, steady—Privacy in use
Amber, flashing—Incoming call
Red steady—Remote line in use (shared line, BLF status, or active Mobile Connect call)
2 Phone screen Shows phone features.
3 Footstand button Allows you to adjust the angle of the phone base.
4 Messages button Auto-dials your voice message service (varies by service).
5 Directories button Opens/closes the Directories menu. Use it to access call logs and directories.
6 Help button Activates the Help menu.
7 Settings button Opens/closes the Settings menu. Use it to control phone screen contrast and
ring sounds.
8 Services button Opens/closes the Services menu.
9 Volume button Controls the handset, headset, and speakerphone volume (off-hook) and the
ringer volume (on-hook).
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Chapter 1 An Overview of the Cisco Unified IP Phone
What Networking Protocols are Used?
10 Speaker button Toggles the speakerphone on or off. When the speakerphone is on, the button
is lit.
11 Mute button Toggles the Mute feature on or off. When Mute is on, the button is lit.
12 Headset button Toggles the headset on or off. When the headset is on, the button is lit.
13 Navigation button Allows you to scroll through menus and highlight items. When the phone is
on-hook, displays phone numbers from your Placed Calls log.
14 Keypad Allows you to dial phone numbers, enter letters, and choose menu items.
15 Softkey buttons Each activates a softkey option (displayed on your phone screen).
16 Handset light strip Indicates an incoming call or new voice message.
What Networking Protocols are Used?
Cisco Unified IP Phones support several industry-standard and Cisco networking protocols required for voice communication. Tabl e 1- 1 provides an overview of the networking protocols that the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE support.
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What Networking Protocols are Used?
Table 1-1 Supported Networking Protocols on the Cisco Unified IP Phone
Networking Protocol Purpose Usage Notes
Bootstrap Protocol (BootP)
Cisco Discovery Protocol (CDP)
Cisco Peer to Peer Distribution Protocol (CPPDP)
Dynamic Host Configuration Protocol (DHCP)
BootP enables a network device such as the Cisco Unified IP Phone to discover certain startup information, such as its IP address.
CDP is a device-discovery protocol that runs on all Cisco-manufactured equipment.
Using CDP, a device can advertise its existence to other devices and receive information about other devices in the network.
CPPDP is a Cisco proprietary protocol used to form a peer to peer hierarchy of devices. CPPDP is also used to copy firmware or other files from peer devices to neighboring devices.
DHCP dynamically allocates and assigns an IP address to network devices.
DHCP enables you to connect an IP phone into the network and have the phone become operational without you needing to manually assign an IP address or to configure additional network parameters.
If you are using BootP to assign IP addresses to the Cisco Unified IP Phone, the BOOTP Server option shows “Yes” in the network configuration settings on the phone.
The Cisco Unified IP Phone uses CDP to communicate information such as auxiliary VLAN ID, per port power management details, and Quality of Service (QoS) configuration information with the Cisco Catalyst switch.
CPPDP is used by the Peer Firmware Sharing feature.
DHCP is enabled by default. If disabled, you must manually configure the IP address, subnet mask, gateway, and a TFTP server on each phone locally.
Cisco recommends that you use DHCP custom option 150. With this method, you configure the TFTP server IP address as the option value. For additional supported DCHP configurations, refer to Cisco
Unified Communications Manager System Guide.
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What Networking Protocols are Used?
Table 1-1 Supported Networking Protocols on the Cisco Unified IP Phone (continued)
Networking Protocol Purpose Usage Notes
Hypertext Transfer Protocol (HTTP)
HTTP is the standard way of transferring information and moving documents across the Internet and the web.
IEEE 802.1X The IEEE 802.1X standard defines a
client-server-based access control and authentication protocol that restricts unauthorized clients from connecting to a LAN through publicly accessible ports.
Until the client is authenticated,
802.1X access control allows only Extensible Authentication Protocol over LAN (EAPOL) traffic through the port to which the client is connected. After authentication is successful, normal traffic can pass through the port.
Internet Protocol (IP) IP is a messaging protocol that
addresses and sends packets across the network.
Cisco Unified IP Phones use HTTP for the XML services and for troubleshooting purposes.
The Cisco Unified IP Phone implements the IEEE 802.1X standard by providing support for the EAP-MD5 option for 802.1X authentication.
When 802.1X authentication is enabled on the phone, you should disable the PC port and voice VLAN. Refer to the “Supporting 802.1X
Authentication on Cisco Unified IP Phones” section on page 1-23 for
additional information.
To communicate using IP, network devices must have an assigned IP address, subnet, and gateway.
Real-Time Transport Protocol (RTP)
RTP is a standard protocol for transporting real-time data, such as interactive voice and video, over data networks.
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IP addresses, subnets, and gateways identifications are automatically assigned if you are using the Cisco Unified IP Phone with Dynamic Host Configuration Protocol (DHCP). If you are not using DHCP, you must manually assign these properties to each phone locally.
Cisco Unified IP Phones use the RTP protocol to send and receive real-time voice traffic from other phones and gateways.
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What Networking Protocols are Used?
Table 1-1 Supported Networking Protocols on the Cisco Unified IP Phone (continued)
Networking Protocol Purpose Usage Notes
Real-Time Control Protocol (RTCP)
Session Description Protocol (SDP)
Session Initiation Protocol (SIP)
RTCP works in conjunction with RTP to provide QoS data (such as jitter, latency, and round trip delay) on RTP streams.
SDP is the portion of the SIP protocol that determines which parameters are available during a connection between two endpoints. Conferences are established using only the SDP capabilities that are supported by all endpoints in the conference.
SIP is the Internet Engineering Task Force (IETF) standard for multimedia conferencing over IP. SIP is an ASCII-based application-layer control protocol (defined in RFC 3261) that can be used to establish, maintain, and terminate calls between two or more endpoints.
RTCP is disabled by default, but you can enable it on a per phone basis using Cisco Unified Communications Manager. For more information, see the “Network Configuration Menu”
section on page 4-39.
SDP capabilities, such as codec types, DTMF detection, and comfort noise, are normally configured on a global basis by Cisco Unified Communications Manager or Media Gateway in operation. Some SIP endpoints may allow these parameters to be configured on the endpoint itself.
Like other VoIP protocols, SIP is designed to address the functions of signaling and session management within a packet telephony network. Signaling allows call information to be carried across network boundaries. Session management provides the ability to control the attributes of an end-to-end call.
Skinny Client Control Protocol (SCCP)
SCCP includes a messaging set that allows communications between call control servers and endpoint clients such as IP Phones. SCCP is proprietary to Cisco Systems.
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You can configure the Cisco Unified IP Phone to use either SIP or Skinny Client Control Protocol (SCCP).
Cisco Unified IP Phones use SCCP for call control. You can configure the Cisco Unified IP Phone to use either SCCP or Session Initiation Protocol (SIP).
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Table 1-1 Supported Networking Protocols on the Cisco Unified IP Phone (continued)
Networking Protocol Purpose Usage Notes
Transmission Control Protocol (TCP)
Transport Layer Security (TLS)
Trivial File Transfer Protocol (TFTP)
User Datagram Protocol (UDP)
TCP is a connection-oriented transport protocol.
TLS is a standard protocol for securing and authenticating communications.
TFTP allows you to transfer files over the network.
On the Cisco Unified IP Phone, TFTP enables you to obtain a configuration file specific to the phone type.
UDP is a connectionless messaging protocol for delivery of data packets.
Cisco Unified IP Phones use TCP to connect to Cisco Unified Communications Manager and to access XML services.
When security is implemented, Cisco Unified IP Phones use the TLS protocol when securely registering with Cisco Unified Communications Manager.
TFTP requires a TFTP server in your network, which can be automatically identified from the DHCP server. If you want a phone to use a TFTP server other than the one specified by the DHCP server, you must manually assign the IP address of the TFTP server using the Network Configuration menu on the phone.
Cisco Unified IP Phones transmit and receive RTP streams, which utilize UDP.
Related Topics
Understanding Interactions with Other Cisco Unified IP Telephony Products,
page 2-2
Understanding the Phone Startup Process, page 2-10
Network Configuration Menu, page 4-7
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What Features are Supported on the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE?
What Features are Supported on the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE?
The Cisco Unified IP Phone functions much like a digital business phone, allowing you to place and receive telephone calls. In addition to traditional telephony features, the Cisco IP Phone includes features that enable you to administer and monitor the phone as a network device.
This section includes the following topics:
Feature Overview, page 1-10
Configuring Telephony Features, page 1-11
Configuring Network Parameters Using the Cisco Unified IP Phone,
page 1-12
Providing Users with Feature Information, page 1-12
Feature Overview
Cisco Unified IP Phones provide traditional telephony functionality, such as call forwarding and transferring, redialing, speed dialing, conference calling, and voice messaging system access. Cisco Unified IP phones also provide a variety of other features. For an overview of the telephony features that the Cisco Unified IP Phone supports and for tips on configuring them, see the
“Telephony Features Available for the Cisco Unified IP Phone” section on page 5-2.
As with other network devices, you must configure Cisco Unified IP Phones to prepare them to access Cisco Unified Communications Manager and the rest of the IP network. By using DHCP, you have fewer settings to configure on a phone, but if your network requires it, you can manually configure an IP address, TFTP server, and subnet mask. For instructions on configuring the network settings on the Cisco Unified IP Phones, see Chapter 4, “Configuring Settings on the Cisco
Unified IP Phone.”
The Cisco Unified IP Phone can interact with other services and devices on your IP network to provide enhanced functionality. For example, you can integrate the Cisco Unified IP Phones with the corporate Lightweight Directory Access Protocol 3 (LDAP3) standard directory to enable users to search for co-worker contact information directly from their IP phones. You can also use XML to
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enable users to access information such as weather, stocks, quote of the day, and other web-based information. For information about configuring such services, see the “Configuring Corporate Directories” section on page 5-26 and the
“Setting Up Services” section on page 5-29.
Finally, because the Cisco Unified IP Phone is a network device, you can obtain detailed status information from it directly. This information can assist you with troubleshooting any problems users might encounter when using their IP phones. See Chapter 7, “Viewing Model Information, Status, and Statistics on the Cisco
Unified IP Phone,” for more information.
Related Topics
Configuring Settings on the Cisco Unified IP Phone, page 4-1
Configuring Features, Templates, Services, and Users, page 5-1
Troubleshooting and Maintenance, page 9-1
Configuring Telephony Features
You can modify additional settings for the Cisco Unified IP Phone from the Cisco Unified Communications Manager Administration application. Use this web-based application to set up phone registration criteria and calling search spaces, to configure corporate directories and services, and to modify phone button templates, among other tasks. See the “Telephony Features Available for
the Cisco Unified IP Phone” section on page 5-2 and the
Cisco Unified Communications Manager documentation for additional information.
For more information about the Cisco Unified Communications Manager Administration application, refer to Cisco Unified Communications Manager documentation, including Cisco Unified Communications Manager Administration Guide. You can also use the context-sensitive help available within the application for guidance.
You can access the complete Cisco Unified Communications Manager documentation suite at this location:
http://www.cisco.com/en/US/products/sw/voicesw/ps556/tsd_products_support_ series_home.html
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Related Topic
Telephony Features Available for the Cisco Unified IP Phone, page 5-2
Configuring Network Parameters Using the Cisco Unified IP Phone
You can configure parameters such as DHCP, TFTP, and IP settings on the phone itself. You can also obtain statistics about a current call or firmware versions on the phone.
For more information about configuring features and viewing statistics from the phone, see Chapter 4, “Configuring Settings on the Cisco Unified IP Phone” and see Chapter 7, “Viewing Model Information, Status, and Statistics on the Cisco
Unified IP Phone.”
Providing Users with Feature Information
If you are a system administrator, you are likely the primary source of information for Cisco Unified IP Phone users in your network or company. To ensure that you distribute the most current feature and procedural information, familiarize yourself with Cisco Unified IP Phone documentation. Make sure to visit the Cisco Unified IP Phone web site:
http://www.cisco.com/en/US/products/hw/phones/ps379/tsd_products_support_s eries_home.html
From this site, you can view various user guides.
In addition to providing documentation, it is important to inform users of available Cisco Unified IP Phone features—including those specific to your company or network—and of how to access and customize those features, if appropriate.
For a summary of some of the key information that phone users need their system administrators to provide, see Appendix A, “Providing Information to Users Via
a Website.”
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Understanding Security Features for Cisco Unified IP Phones
Implementing security in the Cisco Unified Communications Manager system prevents identity theft of the phone and Cisco Unified Communications Manager server, prevents data tampering, and prevents call signaling and media stream tampering.
To alleviate these threats, the Cisco Unified IP telephony network establishes and maintains authenticated and encrypted communication streams between a phone and the server, digitally signs files before they are transferred to a phone, and encrypts media streams and call signaling between Cisco Unified IP phones.
The Cisco Unified IP Phones 7961G/7961G-GE and 7941G/7941G-GE (SIP) use the Phone security profile, which defines whether the device is nonsecure, authenticated, or encrypted. For information on applying the security profile to the phone, refer to the Cisco Unified Communications Manager Security Guide.
If you configure security-related settings in Cisco Unified Communications Manager Administration, the phone configuration file will contain sensitive information. To ensure the privacy of a configuration file, you must configure it for encryption. For detailed information, refer to the “Configuring Encrypted Phone Configuration Files” chapter in Cisco Unified Communications Manager
Security Guide.
Tabl e 1 -2 shows where you can find additional information about security in this
and other documents.
Table 1-2 Cisco Unified IP Phone Security Topics
Topic Reference
Detailed explanation of security, including set up, configuration, and troubleshooting information for Cisco Unified Communications Manager and Cisco Unified IP Phones
Security features supported on the Cisco Unified IP Phone
Refer to Cisco Unified Communications Manager
Security Guide
See the “Overview of Supported Security
Features” section on page 1-15
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Table 1-2 Cisco Unified IP Phone Security Topics (continued)
Topic Reference
Restrictions regarding security features See the “Security Restrictions” section on
page 1-25
Viewing a security profile name See the “Understanding Security Profiles” section
on page 1-19
Identifying phone calls for which security is implemented
TLS connection
See the “Identifying Encrypted and Authenticated
Phone Calls” section on page 1-19
See the “What Networking Protocols are
Used?” section on page 1-5
See the “Adding Phones to the Cisco
Unified Communications Manager Database” section on page 2-13
Security and the phone startup process See the “Understanding the Phone Startup
Process” section on page 2-10
Security and phone configuration files See the “Adding Phones to the Cisco
Unified Communications Manager Database” section on page 2-13
Changing the TFTP Server 1 or TFTP Server 2 option on the phone when security is implemented
Understanding security icons in the CallManager 1 through Call Manager 5 options in
See Tabl e 4 -2, in the “Network Configuration
Menu” section on page 4-7
See the “CallManager Configuration Menu”
section on page 4-16
the Device Configuration Menu on the phone
Items on the Security Configuration menu that you access from the Device Configuration menu on
See the “Security Configuration Menu” section on
page 4-37
the phone
Items on the Security Configuration menu that you access from the Settings menu on the phone
Unlocking the CTL file See the “CTL File Screen” section on page 4-45
Disabling access to a phone’s web pages See the “Disabling and Enabling Web Page
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See the “Security Configuration Menu” section on
page 4-44
Access” section on page 8-4
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Table 1-2 Cisco Unified IP Phone Security Topics (continued)
Topic Reference
Troubleshooting
See the “Troubleshooting Cisco Unified IP
Phone Security” section on page 9-12
Refer to the Cisco Unified Communications
Manager Security Guide
Deleting the CTL file from the phone See the “Resetting or Restoring the Cisco
Unified IP Phone” section on page 9-18
Resetting or restoring the phone See the “Resetting or Restoring the Cisco
Unified IP Phone” section on page 9-18
802.1X Authentication for Cisco Unified IP Phones
See these sections:
“Supporting 802.1X Authentication on Cisco
Unified IP Phones” section on page 1-23
“Security Configuration Menu” section on
page 4-37
“Status Menu” section on page 7-3
“Troubleshooting Cisco Unified IP Phone
Security” section on page 9-12
Overview of Supported Security Features
Tabl e 1 -3 provides an overview of the security features that the Cisco Unified
IP Phone 7961G/7961G-GE and 7941G/7941G-GE support. For more information about these features and about Cisco Unified Communications Manager and Cisco Unified IP Phone security, refer to Cisco Unified Communications Manager Security Guide.
For information about current security settings on a phone, choose Settings >
Security Configuration and choose Settings > Device Configuration > Security Configuration. For more information, see the “Security Configuration
Menu” section on page 4-37.
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Note Most security features are available only if a certificate trust list (CTL) is installed
on the phone. For more information about the CTL, refer to “Configuring the Cisco CTL Client” chapter in Cisco Unified Communications Manager Security Guide.
Table 1-3 Overview of Security Features
Feature Description
Image authentication Signed binary files (with the extension .sbn) prevent tampering with
the firmware image before it is loaded on a phone. Tampering with the image causes a phone to fail the authentication process and reject the new image.
Customer-site certificate installation
Each Cisco Unified IP Phone requires a unique certificate for device authentication. Phones include a manufacturing installed certificate (MIC), but for additional security, you can specify in Cisco Unified Communications Manager Administration that a certificate be installed by using the CAPF
1
. Alternatively, you can install an LSC from the Security Configuration menu on the phone. See the
“Configuring Security on the Cisco Unified IP Phone” section on page 3-18 for more information.
Device authentication Occurs between the Cisco Unified Communications Manager server
and the phone when each entity accepts the certificate of the other entity. Determines whether a secure connection between the phone and a Cisco Unified Communications Manager should occur, and, if necessary, creates a secure signaling path between the entities using TLS protocol. Cisco Unified Communications Manager will not register phones unless they can be authenticated by the Cisco Unified Communications Manager.
File authentication Validates digitally-signed files that the phone downloads. The
phone validates the signature to make sure that file tampering did not occur after the file creation. Files that fail authentication are not written to Flash memory on the phone. The phone rejects such files without further processing.
Signaling Authentication Uses the TLS protocol to validate that no tampering has occurred to
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signaling packets during transmission.
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Table 1-3 Overview of Security Features (continued)
Feature Description
Manufacturing installed certificate
Each Cisco Unified IP Phone contains a unique manufacturing installed certificate (MIC), which is used for device authentication. The MIC is a permanent unique proof of identity for the phone, and allows Cisco Unified Communications Manager to authenticate the phone.
Secure SRST reference
(SCCP phones only)
After you configure a SRST reference for security and then reset the dependent devices in Cisco Unified Communications Manager Administration, the TFTP server adds the SRST certificate to the phone cnf.xml file and sends the file to the phone. A secure phone then uses a TLS connection to interact with the SRST-enabled router.
Media encryption Uses SRTP to ensure that the media streams between supported
devices proves secure and that only the intended device receives and reads the data. Includes creating a media master key pair for the devices, delivering the keys to the devices, and securing the delivery of the keys while the keys are in transport.
Signaling encryption
(SCCP phones only)
Ensures that all SCCP signaling messages that are sent between the device and the Cisco Unified Communications Manager server are encrypted.
CAPF (Certificate Authority Proxy Function)
Implements parts of the certificate generation procedure that are too processing-intensive for the phone, and it interacts with the phone for key generation and certificate installation. The CAPF can be configured to request certificates from customer-specified certificate authorities on behalf of the phone, or it can be configured to generate certificates locally.
Security profiles Defines whether the phone is nonsecure, authenticated, or
encrypted. See the “Understanding Security Profiles” section on
page 1-19 for more information.
Encrypted configuration files Lets you ensure the privacy of phone configuration files.
Optional disabling of the web server functionality for a phone
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You can prevent access to a phone’s web page, which displays a variety of operational statistics for the phone.
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Table 1-3 Overview of Security Features (continued)
Feature Description
Phone hardening Additional security options, which you control from Cisco
Unified Communications Manager Administration:
Disabling PC port
Disabling Gratuitous ARP (GARP)
Disabling PC Voice VLAN access
Disabling access to the Setting menus, or providing restricted
access that allows access to the User Preferences menu and saving volume changes only
Disabling access to web pages for a phone.
Note You can view current settings for the PC Port Disabled,
GARP Enabled, and Voice VLAN enabled options by looking at the phone’s Security Configuration menu. For more information, see the “Device Configuration Menu”
section on page 4-15.
802.1X Authentication The Cisco Unified IP Phone can use 802.1X authentication to request and gain access to the network. See the “Supporting 802.1X
Authentication on Cisco Unified IP Phones” section on page 1-23
for more information.
1. CAPF = Certificate Authority Proxy Function
Related Topics
Understanding Security Profiles, page 1-19
Identifying Encrypted and Authenticated Phone Calls, page 1-19
Security Restrictions, page 1-25
Device Configuration Menu, page 4-15
Supporting 802.1X Authentication on Cisco Unified IP Phones, page 1-23
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Understanding Security Profiles
All Cisco Unified IP Phones that support Cisco Unified Communications Manager 6.0 use a security profile, which defines whether the phone is nonsecure, authenticated, or encrypted. For information about configuring the security profile and applying the profile to the phone, refer to Cisco Unified Communications Manager Security Guide, Release 6.0.
To view the security mode that is set for the phone, look at the Security Mode setting in the Security Configuration menu. For more information, see the
“Security Configuration Menu” section on page 4-37.
Related Topics
Identifying Encrypted and Authenticated Phone Calls, page 1-19
Security Restrictions, page 1-25
Understanding Security Features for Cisco Unified IP Phones
Device Configuration Menu, page 4-15
Identifying Encrypted and Authenticated Phone Calls
When security is implemented for a phone, you can identify authenticated or encrypted phone calls by icons on the screen on the phone.
In an authenticated call, all devices participating in the establishment of the call are authenticated by the Cisco Unified Communications Manager. When a call in progress is authenticated, the call progress icon to the right of the call duration timer in the phone LCD screen changes to this icon .
In an encrypted call, all devices participating in the establishment of the call are authenticated by the Cisco Unified Communications Manager. In addition, call signaling and media streams are encrypted. An encrypted call offers the highest level of security, providing integrity and privacy to the call. When a call in progress is being encrypted, the call progress icon to the right of the call duration timer in the phone LCD screen changes to the following icon: .
Note If the call is routed through non-IP call legs, for example, PSTN, the call may be
nonsecure even though it is encrypted within the IP network and has a lock icon associated with it.
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Related Topic
Understanding Security Profiles, page 1-19
Understanding Security Features for Cisco Unified IP Phones, page 1-13
Security Restrictions, page 1-25
Establishing and Identifying Secure Conference Calls
You can initiate a secure conference call and monitor the security level of participants. A secure conference call is established using this process:
1. A user initiates the conference from a secure phone (encrypted or
authenticated security mode).
2. Cisco Unified Communications Manager assigns a secure conference bridge
to the call.
3. As participants are added, Cisco Unified Communications Manager verifies
the security mode of each phone (encrypted or authenticated) and maintains the secure level for the conference.
4. The phone displays the security level of the conference call. A secure
conference displays right of “Conference” on the phone screen. If icon displays, the conference is not secure.
Note There are interactions, restrictions, and limitations that affect the security level of
the conference call depending on the security mode of the participant’s phones and the availability of secure conference bridges. See Tab le 1-4 and Tabl e 1 -5 for information about these interactions.
Call Security Interactions and Restrictions
Cisco Unified Communications Manager checks the phone security status when conferences are established and changes the security indication for the conference or blocks the completion of the call to maintain integrity and also security in the system. Tabl e 1 -4 provides information about changes to call security levels when using Barge.
(encrypted) or (authenticated) icon to the
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Table 1-4 Call Security Interactions When Using Barge
Initiator’s Phone Security Level Feature Used
Call Security Level Results of Action
Non-secure Barge Encrypted call Call barged and identified as non-secure
call
Secure (encrypted) Barge Authenticated
call
Secure
Barge Encrypted call Call barged and identified as
(authenticated)
Non-secure Barge Authenticated
call
Call barged and identified as authenticated call
authenticated call
Call barged and identified as non-secure call
Tabl e 1 -5 provides information about changes to conference security levels
depending on the initiator’s phone security level, the security levels of participants, and the availability of secure conference bridges.
Table 1-5 Security Restrictions with Conference Calls
Initiator’s Phone Security Level Feature Used
Security Level of Participants Results of Action
Non-secure Conference Encrypted or
authenticated
Secure (encrypted or authenticated)
Conference At least one member is
non-secure
Secure (encrypted) Conference All participants are
encrypted
Secure (authenticated)
Conference All participants are
encrypted or authenticated
Non-secure Conference Encrypted or
authenticated
Non-secure conference bridge
Non-secure conference
Secure conference bridge
Non-secure conference
Secure conference bridge
Secure encrypted level conference
Secure conference bridge
Secure authenticated level conference
Only secure conference bridge is available and used
Non-secure conference
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Table 1-5 Security Restrictions with Conference Calls (continued)
Initiator’s Phone Security Level Feature Used
Secure (encrypted
Conference Encrypted or
or authenticated)
Secure (encrypted
Conference Member puts call on Hold
or authenticated)
Security Level of Participants Results of Action
authenticated
with MOH
Secure (encrypted) Join Encrypted or
authenticated
Non-secure cBarge All participants are
encrypted
Non-secure MeetMe Minimum security level is
encrypted
Secure (encrypted) MeetMe Minimum security level is
authenticated
Only non-secure conference bridge is available and used
Non-secure conference
No music-on-hold is played
Conference remains secure
Secure conference bridge
Conference remains secure (encrypted or authenticated)
Secure conference bridge
Conference changes to non-secure
Initiator receives message “Does not meet Security Level”, call rejected.
Secure conference bridge
Conference accepts encrypted and authenticated calls
Secure (encrypted) MeetMe Minimum security level is
non-secure
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Only secure conference bridge available and used
Conference accepts all calls
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Understanding Security Features for Cisco Unified IP Phones
Supporting 802.1X Authentication on Cisco Unified IP Phones
These sections provide information about 802.1X support on the Cisco Unified IP Phones:
Overview, page 1-23
Required Network Components, page 1-24
Best Practices—Requirements and Recommendations, page 1-24
Overview
Cisco Unified IP phones and Cisco Catalyst switches have traditionally used Cisco Discovery Protocol (CDP) to identify each other and determine parameters such as VLAN allocation and inline power requirements. However, CDP is not used to identify any locally attached PCs, therefore Cisco Unified IP Phones provide an EAPOL pass-through mechanism, whereby a PC locally attached to the IP phone, may pass through EAPOL messages to the 802.1X authenticator in the LAN switch. This prevents the IP phone from having to act as the authenticator, yet allows the LAN switch to authenticate a data end point prior to accessing the network.
In conjunction with the EAPOL pass-through mechanism, Cisco Unified IP Phones provide a proxy EAPOL-Logoff mechanism. In the event that the locally attached PC is disconnected from the IP phone, the LAN switch would not see the physical link fail, because the link between the LAN switch and the IP phone is maintained. To avoid compromising network integrity, the IP phone sends an EAPOL-Logoff message to the switch, on behalf of the downstream PC, which triggers the LAN switch to clear the authentication entry for the downstream PC.
The Cisco Unified IP phones also contain an 802.1X supplicant, in addition to the EAPOL pass-through mechanism. This supplicant allows network administrators to control the connectivity of IP phones to the LAN switch ports. The initial release of the IP phone 802.1X supplicant implements the EAP-MD5 option for
802.1X authentication.
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Required Network Components
Support for 802.1X authentication on Cisco Unified IP Phones requires several components, including:
Cisco Unified IP Phone—The phone acts as the 802.1X supplicant, which
initiates the request to access the network.
Cisco Secure Access Control Server (ACS) (or other third-party
authentication server)—The authentication server and the phone must both be configured with a shared secret that is used to authenticate the phone.
Cisco Catalyst Switch (or other third-party switch)—The switch must support
802.1X so it can act as the authenticator and pass the messages between the phone and the authentication server. When the exchange is completed, the switch then grants or denies the phone access to the network.
Chapter 1 An Overview of the Cisco Unified IP Phone
Best Practices—Requirements and Recommendations
Enable 802.1X Authentication—If you want to use the 802.1X standard to
authenticate Cisco Unified IP Phones, be sure that you have properly configured the other components before enabling it on the phone. See the
“802.1X Authentication and Status” section on page 4-48 for more
information.
Configure PC Port—The 802.1X standard does not take into account the use
of VLANs and thus recommends that only a single device should be authenticated to a specific switch port. However, some switches (including Cisco Catalyst switches) support multi-domain authentication. The switch configuration determines whether you can connect a PC to the phone’s PC port.
Enabled—If you are using a switch that supports multi-domain authentication, you can enable the PC port and connect a PC to it. In this case, Cisco Unified IP Phones support proxy EAPOL-Logoff to monitor the authentication exchanges between the switch and the attached PC. For more information about IEEE 802.1X support on the Cisco Catalyst switches, refer to the Cisco Catalyst switch configuration guides at:
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Chapter 1 An Overview of the Cisco Unified IP Phone
Disabled—If the switch does not support multiple 802.1X-compliant devices on the same port, you should disable the PC Port when 802.1X authentication is enabled. See the “Security Configuration Menu” section
on page 4-37 for more information. If you do not disable this port and
subsequently attempt to attach a PC to it, the switch will deny network access to both the phone and the PC.
Configure Voice VLAN—Because the 802.1X standard does not account for
VLANs, you should configure this setting based on the switch support.
Enabled—If you are using a switch that supports multi-domain authentication, you can continue to use the voice VLAN.
Disabled—If the switch does not support multi-domain authentication, disable the Voice VLAN and consider assigning the port to the native VLAN. See the “Security Configuration Menu” section on page 4-37 for more information.
Understanding Security Features for Cisco Unified IP Phones
Enter MD5 Shared Secret—If you disable 802.1X authentication or perform
a factory reset on the phone, the previously configured MD5 shared secret is deleted. See the “802.1X Authentication and Status” section on page 4-48 for more information.
Security Restrictions
A user cannot barge into an encrypted call if the phone that is used to barge is not configured for encryption. When barge fails in this case, a reorder tone (fast busy tone) plays on the phone on which the user initiated the barge.
If the initiator phone is configured for encryption, the barge initiator can barge into an authenticated or nonsecure call from the encrypted phone. After the barge occurs, Cisco Unified Communications Manager classifies the call as nonsecure.
If the initiator phone is configured for encryption, the barge initiator can barge into an encrypted call, and the phone indicates that the call is encrypted.
A user can barge into an authenticated call, even if the phone that is used to barge is nonsecure. The authentication icon continues to appear on the authenticated devices in the call, even if the initiator phone does not support security.
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Overview of Configuring and Installing Cisco Unified IP Phones
Overview of Configuring and Installing Cisco Unified IP Phones
When deploying a new IP telephony system, system administrators and network administrators must complete several initial configuration tasks to prepare the network for IP telephony service. For information and a checklist for setting up and configuring a complete Cisco Unified IP telephony network, refer to the “System Configuration Overview” chapter in Cisco Unified Communications Manager System Guide.
After you have set up the IP telephony system and configured system-wide features in Cisco Unified Communications Manager, you can add IP phones to the system.
The following topics provide an overview of procedures for adding Cisco Unified IP Phones to your network:
Configuring Cisco Unified IP Phones in Cisco Unified Communications
Manager, page 1-26
Installing Cisco Unified IP Phones, page 1-32
Configuring Cisco Unified IP Phones in Cisco Unified Communications Manager
To add phones to the Cisco Unified Communications Manager database, you can use:
Auto-registration
Cisco Unified Communications Manager Administration
Bulk Administration Tool (BAT)
BAT and the Tool for Auto-Registered Phones Support (TAPS)
For more information about these choices, see the “Adding Phones to the Cisco
Unified Communications Manager Database” section on page 2-13.
For general information about configuring phones in Cisco Unified Communications Manager, refer to the “Cisco Unified IP Phone” chapter in Cisco Unified Communications Manager System Guide.
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Checklist for Configuring the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE in Cisco Unified Communications Manager
Tabl e 1 -6 provides an overview and checklist of configuration tasks for the
Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE in Cisco Unified Communications Manager Administration. The list presents a suggested order to guide you through the phone configuration process. Some tasks are optional, depending on your system and user needs. For detailed procedures and information, refer to the sources in the list.
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Overview of Configuring and Installing Cisco Unified IP Phones
Table 1-6 Checklist for Configuring the Cisco
Unified IP Phone 7961G/7961G-GE/7941G/7941G-GE in Cisco Unified Communications Manager
Task Purpose For More Information
1. Gather the following information
about the phone:
Phone Model
MAC address
Physical location of the phone
Name or user ID of phone user
Device pool
Partition, calling search space, and
location information
Number of lines and associated
directory numbers (DNs) to assign to the phone
Cisco Unified Communications
Manager user to associate with the phone
Phone usage information that
affects phone button template, softkey template, phone features, IP Phone services, or phone applications
Provides list of configuration requirements for setting up phones.
Identifies preliminary configuration that you need to perform before configuring individual phones, such as phone button templates or softkey templates.
Refer to Cisco Unified
Communications Manager System Guide,
“Cisco Unified IP Phone” chapter.
See the “Telephony Features
Available for the Cisco Unified IP Phone” section on page 5-2.
2. Customize phone button templates
(if required).
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Changes the number of line buttons, speed-dial buttons, Service URL buttons or adds a Privacy button to meet user needs.
Refer to
Cisco Communications Manager Administration Guide,
“Phone Button Template Configuration” chapter.
See the “Modifying Phone
Button Templates” section on page 5-27.
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Overview of Configuring and Installing Cisco Unified IP Phones
Table 1-6 Checklist for Configuring the Cisco
Unified IP Phone 7961G/7961G-GE/7941G/7941G-GE in Cisco Unified Communications Manager (continued)
Task Purpose For More Information
3. Add and configure the phone by
completing these required fields in the Phone Configuration window:
Phone type
Description (user name or ID)
MAC address
Device pool
Partition
Calling Search Space
Button template
Product Specific Configuration
Softkey template (if customized)
4. Add and configure directory
numbers (lines) on the phone by completing these required fields in the Directory Number Configuration window.
Directory number(s)
Adds the device with its default settings to the Cisco Unified Communications Manager database.
Adds primary and secondary directory numbers and features associated with directory numbers to the phone.
Refer to
Cisco Communications Manager Administration Guide, “Cisco
Unified IP Phone Configuration” chapter.
For information about Product Specific Configuration fields, refer to “?” Button Help in the Phone Configuration window.
Refer to the
Cisco Communications Manager Administration Guide:
Adding a Directory
Number chapter
Partition
Multiple Calls and Call Waiting
Call Forwarding and Pickup (if
used)
Voice Messaging (if used)
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“Creating a Cisco Unity
Voice Mailbox” section
See the “Telephony Features
Available for the Cisco Unified IP Phone” section on page 5-2.
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Table 1-6 Checklist for Configuring the Cisco
Unified IP Phone 7961G/7961G-GE/7941G/7941G-GE in Cisco Unified Communications Manager (continued)
Task Purpose For More Information
5. Customize softkey templates. Adds, deletes, or changes
order of softkey features that display on the user’s phone to meet feature usage needs.
6. Configure speed-dial buttons and
assign speed-dial numbers (optional).
Adds speed-dial buttons and numbers,
Note Users can change
speed-dial settings on their phones by using Cisco Unified IP Phone User Options.
7. Configure Cisco Unified IP Phone
services and assign services (optional).
Provides IP Phone services.
Note Users can add or
change services on their phones by using the Cisco Unified IP Phone User Options.
Refer to
Cisco Communications Manager Administration Guide,
“Softkey Template Configuration” chapter.
See the “Configuring Softkey
Templates” section on page 5-28.
Refer to
Cisco Communications Manager Administration Guide, “Cisco
Unified IP Phone Configuration” chapter, “Configuring Speed-Dial Buttons” section.
Refer to
Cisco Communications Manager Administration Guide, “Cisco
Unified IP Phone Services Configuration” chapter.
See the “Setting Up Services”
section on page 5-29.
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Table 1-6 Checklist for Configuring the Cisco
Unified IP Phone 7961G/7961G-GE/7941G/7941G-GE in Cisco Unified Communications Manager (continued)
Task Purpose For More Information
8. Assign services to phone buttons
(optional).
9. Add user information by configuring
required fields:
Name (last)
User ID
Password (for User Options web
pages)
PIN (for use with Extension
Mobility and Personal Directory)
Provides single button access to an IP phone service or URL.
Adds user information to the global directory for Cisco Unified Communications Manager.
Refer to
Cisco Communications Manager Administration Guide, “Cisco
Unified IP Phone Configuration” chapter, “Adding a Cisco Unified IP Phone Service to a Phone Button” section.
Refer to
Cisco Communications Manager Administration Guide,
“Adding a New User” chapter.
See the “Adding Users to
Cisco Unified Communications Manager” section on page 5-30.
10. Associate a user with a phone
(optional).
Provides users with control over their phone such as forwarding calls or adding speed-dial numbers or services.
Note Some phones, such
as those in
Refer to
Cisco Communications Manager Administration Guide,
“Adding a New User” chapter, “Associating Devices to a User” section.
conference rooms, do not have an associated user.
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Overview of Configuring and Installing Cisco Unified IP Phones
Installing Cisco Unified IP Phones
After you have added the phones to the Cisco Unified Communications Manager database, you can complete the phone installation. You (or the phone users) can install the phone at the users’s location. The Cisco Unified IP Phone Installation Guide that ships in the box with each phone provides directions for connecting the phone handset, cables, and other accessories.
Note Before you install a phone, even if it is new, upgrade the phone to the current
firmware image. For information about upgrading, refer to the Readme file for your phone, which is located at:
http://www.cisco.com/cgi-bin/tablebuild.pl/ip-7900ser
Chapter 1 An Overview of the Cisco Unified IP Phone
After the phone is connected to the network, the phone startup process begins and the phone registers with Cisco Unified Communications Manager. To finish installing the phone, configure the network settings on the phone depending on whether you enable or disable DHCP service.
If you used auto-registration, you need to update the specific configuration information for the phone such as associating the phone with a user, changing the button table, or directory number.
Checklist for Installing the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE
Tabl e 1 -7 provides an overview and checklist of installation tasks for the
Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE. The list presents a suggested order to guide you through the phone installation. Some tasks are optional, depending on your system and user needs. For detailed procedures and information, refer to the sources in the list.
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Table 1-7 Checklist for Installing the Cisco
Unified IP Phone 7961G/7961G-GE/7941G/7941G-GE
Task Purpose For More Information
1. Choose the power source for the phone:
Power over Ethernet (PoE)
External power supply
2. Assemble the phone, adjust phone
placement, and connect the network
Determines how the phone receives power.
Locates and installs the phone in the network.
cable.
3. Add a Cisco Unified IP Phone
Expansion Module 7914 to the Cisco Unified IP Phone 7961G/7961G-GE (optional).
Extends functionality of a Cisco Unified IP Phone 7961G/7961G-GE by adding 14 line appearances or speed dial numbers.
4. Monitor the phone startup process. Verifies that phone is
configured properly.
See the “Providing Power
to the Cisco Unified IP Phone” section on page 2-4.
See the “Installing the
Cisco Unified IP Phone” section on page 3-8.
See the “Adjusting the
Placement of the Cisco Unified IP Phone” section on page 3-13.
See the “Attaching the
Cisco Unified IP Phone Expansion Module 7914 (SCCP Phones Only)” section on page 3-11.
See the “Verifying the
Phone Startup Process” section on page 3-16.
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Table 1-7 Checklist for Installing the Cisco
Unified IP Phone 7961G/7961G-GE/7941G/7941G-GE (continued)
Task Purpose For More Information
5. Configure these network settings on
the phone by choosing Settings > Network Configuration.
To enable DHCP:
Set DHCP Enabled to Yes
To use an alternate TFTP server, set
Alternate TFTP Server to Yes Enter IP address for TFTP Server 1
To disable DHCP:
Set DHCP Enabled to No
Enter static IP address for phone
Enter subnet mask
Enter default router IP addresses
Enter domain name where phone
resides
Set Alternate TFTP Server to Yes
Enter IP address for TFTP Server 1
Using DHCP—The IP address is automatically assigned and the Cisco Unified IP Phone is directed to a TFTP Server.
Note Consult with the
network administrator if you need to assign an alternative TFTP server instead of using the TFTP server assigned by DHCP.
Without DHCP—You must configure the IP address, TFTP server, subnet mask, domain name, and default router locally on the phone.
See the “Configuring
Startup Network Settings” section on page 3-18.
See the “Network
Configuration Menu” section on page 4-7.
6. Set up security on the phone. Provides protection against
7. Make calls with the Cisco Unified IP
Phone.
8. Provide information to end users about
how to use their phones and how to configure their phone options.
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data tampering threats and identity theft of phones.
Verifies that the phone and features work correctly.
Ensures that users have adequate information to successfully use their Cisco Unified IP Phones.
See the “Configuring
Security on the Cisco Unified IP Phone” section on page 3-18.
Refer to Cisco Unified IP
Phone 7961G/7961G-GE and 7941G/7941G-GE Phone Guide.
See Appendix A,
“Providing Information to Users Via a Website.”
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2
Preparing to Install the Cisco Unified IP Phone on Your Network
Cisco Unified IP Phones enable you to communicate using voice over a data network. To provide this capability, the IP Phones depend upon and interact with several other key Cisco Unified IP Telephony components, including Cisco Unified Communications Manager.
This chapter focuses on the interactions between the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE and Cisco Unified Communications Manager, DNS and DHCP servers, TFTP servers, and switches. It also describes options for powering phones.
For related information about voice and IP communications, refer to this URL:
http://www.cisco.com/en/US/partner/products/sw/voicesw/index.html
This chapter provides an overview of the interaction between the Cisco Unified IP Phone and other key components of the Voice over IP (VoIP) network. It includes the following topics:
Understanding Interactions with Other Cisco Unified IP Telephony Products,
page 2-2
Providing Power to the Cisco Unified IP Phone, page 2-4
Understanding Phone Configuration Files, page 2-8
Understanding the Phone Startup Process, page 2-10
Adding Phones to the Cisco Unified Communications Manager Database,
page 2-13
Using Cisco Unified IP Phones with Different Protocols, page 2-18
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Understanding Interactions with Other Cisco Unified IP Telephony Products
Determining the MAC Address for a Cisco Unified IP Phone, page 2-20
Understanding Interactions with Other Cisco Unified IP Telephony Products
To function in the IP telephony network, the Cisco Unified IP Phone must be connected to a networking device, such as a Cisco Catalyst switch. You must also register the Cisco Unified IP Phone with a Cisco Unified Communications Manager system before sending and receiving calls.
This section includes the following topics:
Understanding How the Cisco Unified IP Phone Interacts with Cisco
Unified Communications Manager, page 2-2
Understanding How the Cisco Unified IP Phone Interacts with the VLAN,
page 2-3
Understanding How the Cisco Unified IP Phone Interacts with Cisco Unified Communications Manager
Cisco Unified Communications Manager is an open and industry-standard call processing system. Cisco Unified Communications Manager software sets up and tears down calls between phones, integrating traditional PBX functionality with the corporate IP network. Cisco Unified Communications Manager manages the components of the IP telephony system—the phones, the access gateways, and the resources necessary for such features as call conferencing and route planning. Cisco Unified Communications Manager also provides:
Firmware for phones
Authentication and encryption (if configured for the telephony system)
Configuration file and CTL file, via TFTP service
Phone registration
Call preservation, so that a media session continues if signaling is lost
between the primary Communications Manager and a phone)
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Understanding Interactions with Other Cisco Unified IP Telephony Products
For information about configuring Cisco Unified Communications Manager to work with the IP devices described in this chapter, refer to Cisco
Unified Communications Manager Administration Guide, Cisco Unified Communications Manager System Guide, and to Cisco Unified Communications Manager Security Guide.
For an overview of security functionality for the Cisco Unified IP Phone, see the
“Understanding Security Features for Cisco Unified IP Phones” section on page 1-13.
Note If the Cisco Unified IP Phone model that you want to configure does not appear
in the Phone Type drop-down list in Cisco Unified Communications Manager Administration, go to the following URL and install the latest support patch for your version of Cisco Unified Communications Manager:
http://www.cisco.com/kobayashi/sw-center/sw-voice.shtml
Related Topic
Telephony Features Available for the Cisco Unified IP Phone, page 5-2
Understanding How the Cisco Unified IP Phone Interacts with the VLAN
The Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE have an internal Ethernet switch, enabling forwarding of packets to the phone, and to the access port and the network port on the back of the phone.
If a computer is connected to the access port, the computer and the phone share the same physical link to the switch and share the same port on the switch. This shared physical link has the following implications for the VLAN configuration on the network:
The current VLANs might be configured on an IP subnet basis. However,
additional IP addresses might not be available to assign the phone to the same subnet as other devices connected to the same port.
Data traffic present on the VLAN supporting phones might reduce the quality
of Voice-over-IP traffic.
Network security may indicate a need to isolate the VLAN voice traffic from
the VLAN data traffic.
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Providing Power to the Cisco Unified IP Phone
You can resolve these issues by isolating the voice traffic onto a separate VLAN. The switch port that the phone is connected to would be configured to have separate VLANs for carrying:
Voice traffic to and from the IP phone (auxiliary VLAN on the Cisco Catalyst
6000 series, for example)
Data traffic to and from the PC connected to the switch through the access
port of the IP phone (native VLAN)
Isolating the phones on a separate, auxiliary VLAN increases the quality of the voice traffic and allows a large number of phones to be added to an existing network where there are not enough IP addresses for each phone.
For more information, refer to the documentation included with a Cisco switch. You can also access related documentation at this URL:
http://www.cisco.com/en/US/products/hw/switches/tsd_products_support_categ ory_home.html
Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Related Topics
Understanding the Phone Startup Process, page 2-10
Network Configuration Menu, page 4-7
Providing Power to the Cisco Unified IP Phone
The Cisco Unified IP Phone 7961G, 7961G-GE and 7941G, 7941G-GE can be powered with external power or with Power over Ethernet (PoE). External power is provided through a separate power supply. PoE is provided by a switch through the Ethernet cable attached to a phone.
Note When you install a phone that is powered with external power, connect the power
supply to the phone and to a power outlet before you connect the Ethernet cable to the phone. When you remove a phone that is powered with external power, disconnect the Ethernet cable from the phone before you disconnect the power supply.
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Providing Power to the Cisco Unified IP Phone
The following sections provide more information about powering a phone:
Power Guidelines, page 2-5
Power Outage, page 2-7
Obtaining Additional Information about Power, page 2-7
Power Guidelines
Tabl e 2 -1 provides guidelines for powering the Cisco Unified IP Phone 7961G
and 7941G.
Tabl e 2 -2 provides guidelines for powering the Cisco Unified IP Phone
7961G-GE and 7941G-GE.
Table 2-1 Powering Guidelines—Cisco Unified IP Phone 7961G and 7941G
Power Type Guidelines
External power— Provided through the
The Cisco Unified IP Phone 7961G and 7941G use the
CP-PWR-CUBE-3 power supply. CP-PWR-CUBE-3 external power supply.
External power— Provided through the Cisco Unified IP Phone Power Injector.
The Cisco Unified IP Phone Power Injector may be used with any Cisco Unified IP Phone. Functioning as a midspan device, the injector delivers inline power to the attached phone. The Cisco Unified IP Phone Power Injector is connected between a switch port and the IP Phone, and supports a maximum cable length of 100m between the unpowered switch and the IP Phone.
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Table 2-1 Powering Guidelines—Cisco Unified IP Phone 7961G and 7941G (continued)
Power Type Guidelines
PoE power—Provided by a switch through the Ethernet cable attached to the phone.
The Cisco Unified IP Phone 7961G and 7941G support Cisco inline
PoE.
The Cisco Unified IP Phone 7961G and 7941G support IEEE 802.3af
power on signal pairs and spare pairs.
To ensure uninterruptible operation of the phone, make sure that the
switch has a backup power supply.
Make sure that the CatOS or IOS version running on your switch
supports your intended phone deployment. Refer to the documentation
for your switch for operating system version information.
External power— Provided through inline
The inline power patch panel WS-PWR-PANEL is compatible with the
Cisco Unified IP Phones 7961G and 7941G. power patch panel WS-PWR-PANEL
Table 2-2 Powering Guidelines—Cisco Unified IP Phone 7961G-GE and 7941G-GE
Power Type Guidelines
External power— Provided through the CP-PWR-CUBE-3 external power supply.
External power— Provided through the Cisco Unified IP Phone Power Injector.
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The Cisco Unified IP Phone 7961G-GE and 7941G-GE use the
CP-PWR-CUBE-3 external power supply only.
The Cisco Unified IP Phone Power Injector may be used with any Cisco
Unified IP Phone. Functioning as a midspan device, the injector delivers
inline power to the attached phone. The Cisco Unified IP Phone Power
Injector is connected between a switch port and the IP Phone, and supports
a maximum cable length of 100m between the unpowered switch and the IP
Phone.
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Providing Power to the Cisco Unified IP Phone
Table 2-2 Powering Guidelines—Cisco Unified IP Phone 7961G-GE and 7941G-GE (continued)
Power Type Guidelines
PoE power—Provided by a switch through the Ethernet cable attached to the phone.
External power— Provided through inline power patch panel WS-PWR-PANEL
Power Outage
The gigabit Ethernet Cisco Unified IP Phone 79161G-GE and
7941G-GE do not support Cisco inline PoE.
The Cisco Unified IP Phone 7961G-GE and 7941G-GE support IEEE
802.3af power on signal pairs and spare pairs. The Cisco Unified IP Phone 79161G-GE and 7941G-GE are not compatible with Cisco switches that are not IEEE-compliant.
To ensure uninterruptible operation of the phone, make sure that the
switch has a backup power supply.
Make sure that the CatOS or IOS version running on your switch
supports your intended phone deployment. Refer to the documentation for your switch for operating system version information.
The inline power patch panel WS-PWR-PANEL is compatible with the
Cisco Unified IP Phones 7961G-GE and 7941G-GE.
Your accessibility to emergency service through the phone is dependent on the phone being powered. If there is an interruption in the power supply, Service and Emergency Calling Service dialing will not function until power is restored. In the case of a power failure or disruption, you may need to reset or reconfigure equipment before using the Service or Emergency Calling Service dialing.
Obtaining Additional Information about Power
For related information about power, refer to the documents shown in Tab le 2- 3. These documents provide information about the following topics:
Cisco switches that work with the Cisco Unified IP Phone 7961G/7961G-GE
and 7941G/7941G-GE
The Cisco IOS releases that support bidirectional power negotiation
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Other requirements and restrictions regarding power
Table 2-3 Related Documentation for Power
Document Topics URL
Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Cisco Unified IP Phone Power Injector
http://www.cisco.com/en/US/products/hw/phones/p s379/prod_installation_guides_list.html
PoE Solutions http://www.cisco.com/en/US/netsol/
ns340/ns394/ns147/ns412/networking_solutions_ package.html
Cisco Catalyst Switches http://www.cisco.com/en/US/products/hw/switches/
tsd_products_support_category_home.html
Integrated Service Routers
http://www.cisco.com/en/US/products/hw/routers/ index.html
Cisco IOS Software http://www.cisco.com/en/US/products/sw/iosswrel/
products_ios_cisco_ios_software_category_home. html
Understanding Phone Configuration Files
Configuration files for a phone are stored on the TFTP server and define parameters for connecting to Cisco Unified Communications Manager. In general, any time you make a change in Cisco Unified Communications Manager that requires the phone to be reset, a change is made to the phone’s configuration file automatically.
Configuration files also contain information about which image load the phone should be running. If this image load differs from the one currently loaded on a phone, the phone contacts the TFTP server to request the required load files. (These files are digitally signed to ensure the authenticity of the files’ source.)
In addition, if the device security mode in the configuration file is set to Authenticated and the CTL file on the phone has a valid certificate for Cisco Unified Communications Manager, the phone establishes a TLS connection to Cisco Unified Communications Manager. Otherwise, the phone establishes a TCP connection. For SIP phones, a TLS connection requires that the transport
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protocol in the phone configuration file be set to TLS, which corresponds to the transport type in the SIP Security Profile in Cisco Unified Communications Manager.
Note If the device security mode in the configuration file is set to Authenticated or
Encrypted, but the phone has not received a CTL file, the phone will continuously try to obtain a CTL file so that it can register securely.
If you configure security-related settings in Cisco Unified Communications Manager Administration, the phone configuration file will contain sensitive information. To ensure the privacy of a configuration file, you must configure it for encryption. For detailed information, refer to the “Configuring Encrypted Phone Configuration Files” chapter in Cisco Unified Communications Manager Security Guide.A phone requests a configuration file whenever it resets and registers with Cisco Unified Communications Manager.
Understanding Phone Configuration Files
A phone accesses a default configuration file named XmlDefault.cnf.xml from the TFTP server when the following conditions exist:
You have enabled auto-registration in Cisco Unified Communications
Manager
The phone has not been added to the Cisco Unified Communications
Manager Database
The phone is registering for the first time
If auto registration is not enabled and the phone has not been added to the Cisco Unified Communications Manager Database, the phone registration request will be rejected. In this case, the phone will reset and attempt to register repeatedly.
If the phone has registered before, the phone will access the configuration file named SEPmac_address.cnf.xml, where mac_address is the MAC address of the phone.
The TFTP server generates these SIP configuration files:
SIP IP Phone:
For unsigned and unencrypted files—SEP<mac>.cnf.xml
For signed files—SEP<mac>.cnf.xml.sgn
For signed and encrypted files—SEP<mac>.cnf.xml.enc.sgn
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Dial Plan—<dialplan>.xml
Softkey Template—<softkey_template>.xml
The filenames are derived from the MAC Address and Description fields in the Phone Configuration window of Cisco Unified Communications Manager Administration and the devicename field in the Cisco Unified Communications Manager database. The MAC address uniquely identifies the phone. For more information refer to the Cisco Unified Communications Manager Administration Guide.
Understanding the Phone Startup Process
When connecting to the VoIP network, the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE go through a standard startup process that is described in Tab le 2-4. Depending on your specific network configuration, not all of these steps may occur on your Cisco Unified IP Phone.
Table 2-4 Cisco Unified IP Phone Startup Process
Step Description Related Topics
1. Obtaining Power
from the Switch
If a phone is not using external power, the switch provides in-line power through the Ethernet cable attached to the phone.
Adding Phones to
the Cisco Unified Communic ations Manager Database, page 2-13.
Resolving Startup
Problems, page 9-2.
2. Loading the Stored
Phone Image
The Cisco Unified IP Phone has non-volatile Flash memory in which it stores firmware images
Resolving Startup
Problems, page 9-2.
and user-defined preferences. At startup, the phone runs a bootstrap loader that loads a phone image stored in Flash memory. Using this image, the phone initializes its software and hardware.
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Table 2-4 Cisco Unified IP Phone Startup Process (continued)
Step Description Related Topics
3. Configuring VLAN If the Cisco Unified IP Phone is connected to a
Cisco Catalyst switch, the switch next informs the phone of the voice VLAN defined on the switch. The phone needs to know its VLAN membership before it can proceed with the Dynamic Host Configuration Protocol (DHCP) request for an IP address.
4. Obtaining an IP
Address
If the Cisco Unified IP Phone is using DHCP to obtain an IP address, the phone queries the DHCP server to obtain one. If you are not using DHCP in your network, you must assign static IP addresses to each phone locally.
5. Accessing a TFTP
Server
In addition to assigning an IP address, the DHCP server directs the Cisco Unified IP Phone to a TFTP Server. If the phone has a statically-defined IP address, you must configure the TFTP server locally on the phone; the phone then contacts the TFTP server directly.
Note You can also assign an alternative TFTP
server to use instead of the one assigned by DHCP.
Network
Configuration Menu, page 4-7.
Resolving Startup
Problems, page 9-2.
Network
Configuration Menu, page 4-7.
Resolving Startup
Problems, page 9-2.
Network
Configuration Menu, page 4-7.
Resolving Startup
Problems, page 9-2.
6. Requesting the CTL
file
The TFTP server stores the certificate trust list (CTL) file. This file contains a list of Cisco Unified Communications Managers and TFTP servers that the phone is authorized to connect to. It also contains the certificates necessary for establishing a secure connection between the phone and Cisco Unified Communications Manager.
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Refer to the
Cisco Unified Communi
cations Manager
Security Guide,
“Configuring the Cisco
CTL Client” chapter.
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Table 2-4 Cisco Unified IP Phone Startup Process (continued)
Step Description Related Topics
7. Requesting the
Configuration File
8. Contacting Cisco Unified Communicatio ns Manager
The TFTP server has configuration files, which define parameters for connecting to Cisco Unified Communications Manager and other information for the phone.
The configuration file defines how the Cisco Unified IP Phone communicates with Cisco Unified Communications Manager and provides a phone with its load ID. After obtaining the file from the TFTP server, the phone attempts to make a connection to the highest priority Cisco Unified Communications Manager on the list. If security is implemented, the phone makes a TLS connection. Otherwise, it makes a non-secure TCP connection.
Adding Phones to
the Cisco Unified Communic ations Manager Database, page 2-13
Resolving Startup
Problems, page 9-2.
Resolving Startup
Problems, page 9-2.
2-12
If the phone was manually added to the database, Cisco Unified Communications Manager identifies the phone. If the phone was not manually added to the database and auto-registration is enabled in Cisco Unified Communications Manager, the phone attempts to auto-register itself in the Cisco Unified Communications Manager database.
Note Auto-registration is disabled when
security is enabled on Cisco Unified Communications Manager. In this case, the phone must be manually added to the Cisco Unified Communications Manager database.
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Adding Phones to the Cisco Unified Communications Manager Database
Adding Phones to the Cisco Unified Communications Manager Database
Before installing the Cisco Unified IP phone, you must choose a method for adding phones to the Cisco Unified Communications Manager database. These sections describe the methods:
Adding Phones with Auto-Registration, page 2-14
Adding Phones with Auto-Registration and TAPS, page 2-15
Adding Phones with Cisco Unified Communications Manager
Administration, page 2-17
Adding Phones with BAT, page 2-17
Tabl e 2 -5 provides an overview of these methods for adding phones to the
Cisco Unified Communications Manager database.
Table 2-5 Methods for Adding Phones to the Cisco Unified
Communications Manager Database
Requires MAC
Method
Auto-registration No
Auto-registration with TAPS
Address? Notes
Results in automatic assignment
of directory numbers.
Not available when security or
encryption is enabled.
No Requires auto-registration and the
Bulk Administration Tool (BAT); updates information in the Cisco Unified IP Phone and in Cisco Unified Communications Manager Administration
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Table 2-5 Methods for Adding Phones to the Cisco Unified
Communications Manager Database (continued)
Requires MAC
Method
Address? Notes
Using the Cisco
Yes Requires phones to be added Unified Communications Manager Administration
Using BAT Yes
Adding Phones with Auto-Registration
By enabling auto-registration before you begin installing phones, you can:
Add phones without first gathering MAC addresses from the phones.
Automatically add a Cisco Unified IP Phone to the Cisco Unified
Communications Manager database when you physically connect the phone to your IP telephony network. During auto-registration, Cisco Unified Communications Manager assigns the next available sequential directory number to the phone.
individually
Can add groups of same model of
phone.
Can schedule when phones are
added to the Cisco Unified Communications Manager database.
Quickly enter phones into the Cisco Unified Communications Manager
database and modify any settings, such as the directory numbers, from Cisco Unified Communications Manager.
Move auto-registered phones to new locations and assign them to different
device pools without affecting their directory numbers.
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Note Cisco recommends you use auto-registration to add less than 100 phones to your
network. To add more than 100 phones to your network, use the Bulk Administration Tool (BAT). See the “Adding Phones with BAT” section on
page 2-17.
Auto-registration is disabled by default. In some cases, you might not want to use auto-registration: for example, if you want to assign a specific directory number to the phone or if you plan to implement authentication or encryption, as described in Cisco Unified Communications Manager Security Guide. For information about enabling auto-registration, refer to “Enabling Auto-Registration” in the Cisco Unified Communications Manager Administration Guide.
Note When you configure the cluster for mixed mode through the Cisco CTL client,
auto-registration is automatically disabled. When you configure the cluster for non-secure mode through the Cisco CTL client, auto-registration is automatically enabled.
Related Topics
Adding Phones with Auto-Registration and TAPS, page 2-15
Adding Phones with Cisco Unified Communications Manager
Administration, page 2-17
Adding Phones with BAT, page 2-17
Adding Phones with Auto-Registration and TAPS
You can add phones with auto-registration and TAPS, the Tool for Auto-Registered Phones Support, without first gathering MAC addresses from phones.
TAPS works with the Bulk Administration Tool (BAT) to update a batch of phones that were already added to the Cisco Unified Communications Manager database with dummy MAC addresses. Use TAPS to update MAC addresses and download pre-defined configurations for phones.
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Adding Phones to the Cisco Unified Communications Manager Database
Note Cisco recommends you use auto-registration and TAPS to add less than 100
phones to your network. To add more than 100 phones to your network, use the Bulk Administration Tool (BAT). See the “Adding Phones with BAT” section on
page 2-17.
To implement TAPS, you or the end-user dial a TAPS directory number and follow voice prompts. When the process is complete, the phone will have downloaded its directory number and other settings, and the phone will be updated in Cisco Unified Communications Manager Administration with the correct MAC address.
Auto-registration must be enabled in Cisco Unified Communications Manager Administration (System > Cisco Communications Manager) for TAPS to function.
Note When you configure the cluster for mixed mode through the Cisco CTL client,
auto-registration is automatically disabled. When you configure the cluster for non-secure mode through the Cisco CTL client, auto-registration is automatically enabled.
Refer to Cisco Unified Communications Manager Bulk Administration Guide for detailed instructions about BAT and about TAPS.
Related Topics
Adding Phones with Auto-Registration, page 2-14
Adding Phones with Cisco Unified Communications Manager
Administration, page 2-17
Adding Phones with BAT, page 2-17
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Adding Phones to the Cisco Unified Communications Manager Database
Adding Phones with Cisco Unified Communications Manager Administration
You can add phones individually to the Cisco Unified Communications Manager database using Cisco Unified Communications Manager Administration. To do so, you first need to obtain the MAC address for each phone.
For information about determining a MAC address, see the “Determining the
MAC Address for a Cisco Unified IP Phone” section on page 2-20.
After you have collected MAC addresses, in Cisco Unified Communications Manager Administration, choose Device > Phone and click Add New to begin.
For complete instructions and conceptual information about Cisco Unified Communications Manager, refer to Cisco Unified Communications Manager
Administration Guide and to Cisco Unified Communications Manager System Guide.
Related Topics
Adding Phones with Auto-Registration, page 2-14
Adding Phones with Auto-Registration and TAPS, page 2-15
Adding Phones with BAT, page 2-17
Adding Phones with BAT
The Cisco Bulk Administration Tool (BAT) is a plug-in application for Cisco Unified Communications Manager that enables you to perform batch operations, including registration, on multiple phones.
To add phones using BAT only (not in conjunction with TAPS), you first need to obtain the appropriate MAC address for each phone.
For information about determining a MAC address, see the “Determining the
MAC Address for a Cisco Unified IP Phone” section on page 2-20.
Related Topics
Adding Phones with Auto-Registration, page 2-14
Adding Phones with Auto-Registration and TAPS, page 2-15
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Adding Phones with Cisco Unified Communications Manager
Administration, page 2-17
Using Cisco Unified IP Phones with Different Protocols
The Cisco Unified IP Phone can operate with SCCP (Skinny Client Control Protocol) or SIP (Session Initiation Protocol). You can convert a phone that is using one protocol for use with the other protocol.
This section includes these topics:
Converting a New Phone from SCCP to SIP, page 2-18
Converting an In-Use Phone from SCCP to SIP, page 2-19
Converting an In-Use Phone from SIP to SCCP, page 2-19
Deploying a Phone in an SCCP and SIP Environment, page 2-20
Converting a New Phone from SCCP to SIP
A new, unused phone is set for SCCP by default. To convert this phone to SIP, perform these steps:
Procedure
Step 1 Take one of these actions:
To auto-register the phone, set the Auto Registration Phone Protocol
parameter in Cisco Unified Communications Manager Administration to SIP.
To provision the phone using the Bulk Administration Tool (BAT), choose the
appropriate phone model and choose SIP from the BAT.
To provision the phone manually, make the appropriate changes for SIP on
the Phone Configuration page in Cisco Unified Communications Manager Administration.
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Refer to Cisco Unified Communications Manager Administration Guide for detailed information about Cisco Unified Communications Manager configuration. Refer to Cisco Unified Communications Manager Bulk Administration Guide for detailed information about using the BAT.
Step 2 If you are not using DHCP in your network, configure the network parameters for
the phone.
See the “Configuring Startup Network Settings” section on page 3-14.
Step 3 Power cycle the phone.
Converting an In-Use Phone from SCCP to SIP
You can use the Bulk Administration Tool (BAT) to convert a phone that is in use in your network from SCCP to SIP. To access BAT from Cisco Unified Communications Manager Administration, choose Bulk Administration > Phones > Migrate Phones > SCCP to SIP. For detailed information, refer to Cisco Unified Communications Manager Bulk Administration Guide.
Converting an In-Use Phone from SIP to SCCP
To convert a phone that is in use in your network from SIP to SCCP, perform these steps. For more information, Cisco Unified Communications Manager Administration Guide.
Procedure
Step 1 In Cisco Unified Communications Manager Administration, delete the existing
SIP phone from the Cisco Unified Communications Manager database.
Step 2 In Cisco Unified Communications Manager Administration, create the phone as
an SCCP phone.
Step 3 Power cycle the phone.
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Determining the MAC Address for a Cisco Unified IP Phone
Deploying a Phone in an SCCP and SIP Environment
To deploy Cisco Unified IP Phones in an environment that includes SCCP and SIP and in which the Cisco Unified Communications Manager Auto-Registration parameter is SCCP, perform these general steps:
1. Set the Cisco Unified Communications Manager auto_registration_protocol
parameter to SCCP.
To do so, from Cisco Unified Communications Manager Administration, choose System > Enterprise Parameters.
2. Install the phones.
3. Change the auto_registration_protocol parameter to SIP.
4. Auto-register the SIP phones.
Determining the MAC Address for a Cisco Unified IP Phone
Several procedures described in this manual require you to determine the MAC address of a Cisco Unified IP Phone. You can determine a phone’s MAC address in these ways:
From the phone, press the Settings button and select Model Information and
look at the MAC Address field.
Look at the MAC label on the back of the phone.
Display the web page for the phone and click the Device Information
hyperlink.
For information about accessing the web page, see the “Accessing the Web
Page for a Phone” section on page 8-2.
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CHAPTER
3
Setting Up the Cisco Unified IP Phone
This chapter includes the following topics, which help you install the Cisco Unified IP Phone on an IP telephony network:
Before You Begin, page 3-2
Understanding the Cisco Unified IP Phone 7961G/7961G-GE and
7941G/7941G-GE Components, page 3-3
Installing the Cisco Unified IP Phone, page 3-8
Attaching the Cisco Unified IP Phone Expansion Module 7914 (SCCP
Phones Only), page 3-11
Adjusting the Placement of the Cisco Unified IP Phone, page 3-13
Verifying the Phone Startup Process, page 3-16
Configuring Startup Network Settings, page 3-18
Configuring Security on the Cisco Unified IP Phone, page 3-18
Note Before you install a Cisco Unified IP phone, you must decide how to configure
the phone in your network. Then you can install the phone and verify its functionality. For more information, see Chapter 2, “Preparing to Install the Cisco
Unified IP Phone on Your Network.”
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Before You Begin
Before You Begin
Before installing the Cisco Unified IP Phone, review the requirements in these sections:
Network Requirements, page 3-2
Cisco Unified Communications Manager Configuration, page 3-2
Network Requirements
For the Cisco Unified IP Phone to successfully operate as a Cisco Unified IP Phone endpoint in your network, your network must meet the following requirements:
Working Voice over IP (VoIP) Network:
Chapter 3 Setting Up the Cisco Unified IP Phone
VoIP configured on your Cisco routers and gateways
Cisco Unified Communications Manager installed in your network and configured to handle call processing
IP network that supports DHCP or manual assignment of IP address, gateway,
and subnet mask
Note The Cisco Unified IP Phone displays the date and time from Cisco Unified
Communications Manager. If the Cisco Unified Communications Manager server is located in a different time zone than the phones, the phones will not display the correct local time.
Cisco Unified Communications Manager Configuration
The Cisco Unified IP Phone requires Cisco Unified Communications Manager to handle call processing. Refer to Cisco Unified Communications Manager Administration Guide or to context-sensitive help in the Cisco Unified Communications Manager application to ensure that Cisco Unified Communications Manager is set up properly to manage the phone and to properly route and process calls.
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If you plan to use auto-registration, verify that it is enabled and properly configured in Cisco Unified Communications Manager before connecting any Cisco Unified IP Phone to the network. For information about enabling and configuring auto-registration, refer to Cisco Unified Communications Manager Administration Guide. Also, see the “Adding Phones to the Cisco
Unified Communications Manager Database” section on page 2-13.
You must use Cisco Unified Communications Manager to configure and assign telephony features to the Cisco Unified IP Phones. See the “Telephony Features
Available for the Cisco Unified IP Phone” section on page 5-2 for details.
In Cisco Unified Communications Manager, you can add users to the database and associate them with specific phones. In this way, users gain access to web pages that allow them to configure items such as call forwarding, speed dialing, and voice messaging system options. See the “Adding Users to Cisco
Unified Communications Manager” section on page 5-30 for details.
Understanding the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE Components
The Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE includes these components on the phone or as accessories for the phone:
Network and Access Ports, page 3-4
Handset, page 3-4
Speakerphone, page 3-5
Headset, page 3-5
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Network and Access Ports
The back of the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE include these ports:
Network port
labeled 10/100 SW on the 7961G and 7941G
labeled 10/100/1000 SW on the 7961G-GE and 7941G-GE
Access port
labeled 10/100 PC on the 7961G and 7941G
labeled 10/100/1000 PC on the 7961G-GE and 7941G-GE
Each port supports 10/100 Mbps or 10/100/1000 half- or full-duplex connections to external devices. You can use either Category 3 or 5 cabling for 10 Mbps connections, but you must use Category 5 for 100 and 1000 Mbps connections.
Handset
Use the SW network port to connect the phone to the network. You must use a straight-through cable on these ports. The phone can also obtain inline power from a switch over these connections. See the “Adding Phones to the Cisco
Unified Communications Manager Database” section on page 2-13 for details.
Use the PC access port to connect a network device, such as a computer, to the phone. You must use a straight-through cable on this port.
The handset is designed especially for use with a Cisco Unified IP Phone. It includes a light strip that indicates incoming calls and voice messages waiting.
To connect a handset to the Cisco Unified IP Phone, plug the cable into the handset and the Handset port on the back of the phone.
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Speakerphone
By default, the speakerphone is enabled on the Cisco Unified IP Phone.
You can disable the speakerphone through the Cisco Unified Communications Manager Administration application. To do so, choose Device > Phone and locate the phone you want to modify. In the Phone Configuration web page for the phone, check the Disable Speakerphone check box.
Headset
Although Cisco Systems performs some internal testing of third-party headsets for use with the Cisco Unified IP Phones, Cisco does not certify or support products from headset or handset vendors. Because of the inherent environmental and hardware inconsistencies in the locations where Cisco Unified IP Phones are deployed, there is not a single “best” solution that is optimal for all environments. Cisco recommends that customers test the headsets that work best in their environment before deploying a large number of units in their network.
In some instances, the mechanics or electronics of various headsets can cause remote parties to hear an echo of their own voice when they speak to Cisco Unified IP Phone users.
Cisco Systems recommends the use of good quality external devices, like headsets that are screened against unwanted radio frequency (RF) and audio frequency (AF) signals. Depending on the quality of these devices and their proximity to other devices such as cell phones and two-way radios, some audio noise may still occur. See the “Using External Devices with Your Cisco Unified IP Phone”
section on page 3-7 for more information.
The primary reason that support of a headset would be inappropriate for an installation is the potential for an audible hum. This hum can either be heard by the remote party or by both the remote party and the Cisco Unified IP Phone user. Some potential humming or buzzing sounds can be caused by a range of outside sources, for example, electric lights, being near electric motors, large PC monitors. In some cases, a hum experienced by a user may be reduced or eliminated by using a local power cube.
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Audio Quality Subjective to the User
Beyond the physical, mechanical and technical performance, the audio portion of a headset must sound good to the user and the party on the far end. Sound is subjective and Cisco cannot guarantee the performance of any headsets or handsets, but some of the headsets and handsets on the sites listed below have been reported to perform well on Cisco Unified IP Phones.
Nevertheless, it is ultimately still the customer’s responsibility to test this equipment in their own environment to determine suitable performance. For information about headsets, For information about headsets, refer to:
http://www.vxicorp.com/cisco
http://www.plantronics.com
http://www.jabra.com
Connecting a Headset
To connect a headset to the Cisco Unified IP Phone, plug it into the Headset port on the back of the phone. Press the Headset button on the phone to place and answer calls using the headset.
You can use the headset with all of the features on the Cisco Unified IP Phone, including the Volume and Mute buttons. Use these buttons to adjust the ear piece volume and to mute the speech path from the headset microphone.
Disabling a Headset
You can disable the headset through the Cisco Unified Communications Manager Administration application. If you do so, you also will disable the speakerphone.
To disable the headset from Cisco Unified Communications Manager Administration, choose Device > Phone and locate the phone that you want to modify. In the Phone Configuration web page for the phone, check the Disable Speakerphone and Headset check box.
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Understanding the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE Components
Using External Devices with Your Cisco Unified IP Phone
The following information applies when you use external devices with the Cisco Unified IP Phone:
Cisco recommends the use of good quality external devices that are shielded (screened) against unwanted radio frequency (RF) and audio frequency (AF) signals.
Depending on the quality of these devices and their proximity to other devices such as mobile phones or two-way radios, some audio noise may still occur. In these cases, Cisco recommends that you take one or more of the following actions:
Move the external device away from the source of the RF or AF signals.
Route the external device cables away from the source of the RF or AF
signals.
Use shielded cables for the external device, or use cables with a better shield
and connector.
Shorten the length of the external device cable.
Apply ferrites or other such devices on the cables for the external device.
Cisco cannot guarantee the performance of the system because Cisco has no control over the quality of external devices, cables, and connectors. The system will perform adequately when suitable devices are attached using good quality cables and connectors.
Caution In European Union countries, use only external headsets that are fully compliant
with the EMC Directive [89/336/EC].
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Installing the Cisco Unified IP Phone
Installing the Cisco Unified IP Phone
You must connect the Cisco Unified IP Phone to the network and to a power source before using it. See Figure 3-1 for a graphical representation of the connections.
Note Before you install a phone, even if it is new, upgrade the phone to the current
firmware image. Before using external devices, read the “Using External Devices
with Your Cisco Unified IP Phone” section on page 3-7 for safety and
performance information.
To install a Cisco Unified IP Phone, perform these steps:
Procedure Notes Reference
Step 1
Step 2
Step 3
Connect the handset to the Handset port.
Connect a headset to the Headset port.
Connect the power supply to the Cisco DC Adapter port.
——
Optional. You can add a
headset later if you do not
connect one now.
See the “Headset” section on
page 3-5 for supported
headsets.
Optional. See the “Adding Phones to
the Cisco Unified Communications Manager Database” section on page 2-13 for guidelines.
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Procedure Notes Reference
Installing the Cisco Unified IP Phone
Step 4
Step 5
Connect a Category 3 or 5 straight-through Ethernet cable from the switch to the network port labeled 10/100 SW on the Cisco Unified IP Phone 7961G/7941G, or to the network port labeled 10/100/1000 SW on the Cisco Unified IP Phone 7961G-GE/7941G-GE.
Connect a Category 3 or 5 straight-through Ethernet cable from another network device, such as a desktop computer, to the access port labeled 10/100 PC port on the Cisco Unified IP Phone 7961G/7941G, or to the access port labeled 10/100/1000 PC on the Cisco Unified IP Phone 7961G-GE/7941G-GE.
Each
Cisco Unified IP Phone
ships with one Ethernet
cable in the box.
Optional. You can connect
another network device later
if you do not connect one
now.
See the “Network and
Access Ports” section on page 3-4 for guidelines.
See the “Network and
Access Ports” section on page 3-4 for guidelines.
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Installing the Cisco Unified IP Phone
Figure 3-1 Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE Cable Connections
8
1
AUX
10/100 SW 10/100 PC
+
DC48V
2
3
6
5
4
1
DC adaptor port (DC48V) for phones not provided with inline power
2
AC-to-DC power supply
3
AC power cord
4
Network port (10/100 SW on the 7961G/7941G; 10/100/1000 SW on the 7961G-GE/7941G-GE) for connecting to the network
7
113656
5
Access port (10/100 PC on the 7961G/7941G; 10/100/1000 PC on the 7961G-GE/7941G-GE) for connecting your phone to your computer
6
Handset port
7
Headset port
8
Footstand adjustment button
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Attaching the Cisco Unified IP Phone Expansion Module 7914 (SCCP Phones Only)
Related Topics
Adjusting the Placement of the Cisco Unified IP Phone, page 3-13
Verifying the Phone Startup Process, page 3-16
Configuring Startup Network Settings, page 3-18
Configuring Security on the Cisco Unified IP Phone, page 3-18
Attaching the Cisco Unified IP Phone Expansion Module 7914 (SCCP Phones Only)
The Cisco Unified IP Phone Expansion Module 7914 attaches to a Cisco Unified IP Phone 7961G and 7961G-GE to extend the number or line appearances or programmable buttons on your phone. You can customize the button templates for the Cisco Unified IP Phone Expansion Module 7914 to determine the number of line appearances and speed dial buttons. See the “Modifying Phone Button
Templates” section on page 5-27 for details.
You can attach a Cisco Unified IP Phone Expansion Module 7914 to the Cisco Unified IP Phone 7961G and 7961G-GE:
When you initially add the phone to Cisco Unified Communications Manager
by selecting 7914 14-Button Line Expansion Module in the Module 1 or Module 2 fields and selecting the appropriate expansion module firmware. See Step 6 in the following procedure.
After the phone is configured in Cisco Unified Communications Manager.
To configure the Cisco Unified IP Phone Expansion Module 7914 on the Cisco Unified IP Phone, follow these steps:
Procedure
Step 1 Log in to the Cisco Unified Communications Manager Administration
application.
The Cisco Unified Communications Manager Administration page appears.
Step 2 From the menu, choose Device > Phone.
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The Find and List Phone page appears. You can search for one or more phones that you want to configure for the Cisco Unified IP Phone Expansion Module
7914.
Step 3 Select and enter your search criteria and click Find.
The Find and List Phone page reappears showing a list of the phones matching your search criteria.
Step 4 Click the IP Phone that you want to configure for the Cisco Unified IP Phone
Expansion Module 7914.
The Phone Configuration page appears.
Step 5 Scroll to the Expansion Module Information section of the page.
Step 6 To add support for one expansion module, in the Module 1 field, select
7914 14-Button Line Expansion Module.
To add support for a second expansion module, in the Module 2 field, select
7914 14-Button Line Expansion Module.
In the Firmware Load Information section of the page, there are two fields for specifying the firmware load for Modules 1 and 2. You can leave these fields blank to use the default firmware load.
Step 7 Scroll to the top of the page and click Update.
A message appears asking you to reset the phone for the changes to take effect. Click OK.
Step 8 Click Reset Phone for the changes to take effect.
Note Refer users to their Cisco Unified Communications Manager User Options web
pages so that they can configure speed dial buttons and program buttons to access phone services on the Cisco Unified IP Phone Expansion Module 7914. See the
“How Users Subscribe to Services and Configure Phone Features” section on page A-4 for more details.
Related Topic
Configuring Softkey Templates, page 5-28
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Adjusting the Placement of the Cisco Unified IP Phone
Adjusting the Placement of the Cisco Unified IP Phone
The Cisco Unified IP Phone includes an adjustable footstand. When placing the phone on a desktop surface, you can adjust the tilt height to several different angles in 7.5 degree increments from flat to 60 degrees. You can also mount these phones to the wall using the footstand or using the optional locking wall mount kit.
Adjusting Cisco Unified IP Phone Placement on the Desktop
You can adjust the footstand adjustment plate on the Cisco Unified IP Phone to the height that provides optimum viewing of the phone screen. See Figure 3-3 for more information.
Procedure
Step 1 Push in the footstand adjustment button.
Step 2 Adjust the footstand to desired height.
Securing the Phone with a Cable Lock
You can secure the Cisco Unified IP Phone 7961G and 7941G to a desktop using a laptop cable lock. The lock connects to the security slot on the back of the phone and the cable can be secured to a desktop.
The security slot can accommodate a lock up to 20 mm. Compatible laptop cable locks include the Kensington® laptop cable lock and laptop cable locks from other manufacturers that can fit into the security slot on the back of the phone.
See Figure 3-2.
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Figure 3-2 Connecting a Cable Lock to the Cisco Unified IP Phone
79761G/7961G-GE and 7941G/7941G-GE
Chapter 3 Setting Up the Cisco Unified IP Phone
Mounting the Phone to the Wall
You can mount the Cisco Unified IP Phone on the wall using the footstand as a mounting bracket or you can use special brackets available in a Cisco Unified IP Phone wall mount kit. (Wall mount kits must be ordered separately from the phone.) If you attach the Cisco Unified IP Phone to a wall using the standard footstand and not the wall mount kit, you need to supply the following tools and parts:
Screwdriver
Screws to secure the Cisco Unified IP phone to the wall
See Figure 3-3 for a graphical overview of the phone parts.
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Before You Begin
To ensure that the handset attaches securely to a wall-mounted phone, remove the handset wall hook from the handset rest, rotate the hook 180 degrees, and reinsert the hook. Turning the hook exposes a lip on which the handset catches when the phone is vertical. For an illustrated procedure, refer to Installing the Wall Mount Kit for the Cisco Unified IP Phone.
Caution Use care not to damage wires or pipes located inside the wall when securing
screws to wall studs.
Procedure
Step 1 Push in the footstand adjustment button.
Adjusting the Placement of the Cisco Unified IP Phone
Step 2 Adjust the footstand so it is flat against the back of the phone.
Step 3 Insert two screws into a wall stud, matching them to the two screw holes on the
back of the footstand.
The keyholes fit standard phone jack mounts.
Step 4 Hang the phone on the wall.
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Verifying the Phone Startup Process
Figure 3-3 Parts Used in Wall Mounting the Cisco Unified IP Phone
Chapter 3 Setting Up the Cisco Unified IP Phone
AUX
1 Footstand adjustment button—Raises and lowers adjustment plate
2 Wall mounting screw holes
3 Adjustment plate—Raises and lowers phone vertically
Verifying the Phone Startup Process
After the Cisco Unified IP Phone has power connected to it, the phone begins its startup process by cycling through the following steps.
1. These buttons flash on and off in sequence:
Headset (only of the handset is off-hook when the phone powers up. In this case, hang up the handset within 3 seconds or the phone launches its secondary load instead of its primary load.)
Mute
137542
Speaker
2. Some or all of the line keys flash amber in sequence.
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Caution If the line keys flash red in sequence after flashing amber, do not power down the
phone until the sequence of red flashes completes. This sequence can take several minutes to complete.
3. Some or all of the line keys flash green.
Normally, this sequence takes just a few seconds. However, if the phone’s Flash memory is erased or the phone load is corrupted, the sequence of green flashes will continue while the phone begins a software update procedure. If the phone performs this procedure, the following buttons light to indicate progress:
Headset—Phone is waiting for the network and completing CDP and DHCP configuration. (A DHCP server must be available in your network.)
Verifying the Phone Startup Process
Mute—Phone is downloading images from the TFTP server.
Speaker—Phone is writing images to its Flash memory.
4. The LCD screen displays the Cisco Systems, Inc., logo screen.
5. These messages appear as the phone starts:
Verifying Load (if the phone load does not match the load on the TFTP server). If this message appears, the phone starts up again and repeats step 1 through step 4 above.
Configuring IP
Updating CTL
Updating Locale
Configuring CM List
Registering
6. The main LCD screen displays:
Current date and time
Primary directory number
Additional directory numbers and speed dial numbers, if configured
Softkeys
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Configuring Startup Network Settings
If the phone successfully passes through these stages, it has started up properly. If the phone does not start up properly, see the “Resolving Startup Problems”
section on page 9-2.
Configuring Startup Network Settings
If you are not using DHCP in your network, you must configure these network settings on the Cisco Unified IP Phone after installing the phone on the network:
IP address
IP subnet mask
Default gateway IP address
TFTP server IP address
You also may configure the domain name and the DNS server settings, if
necessary.
Collect this information and see the instructions in Chapter 4, “Configuring
Settings on the Cisco Unified IP Phone.”
Configuring Security on the Cisco Unified IP Phone
The security features protect against several threats, including threats to the identity of the phone and to data. These features establish and maintain authenticated communication streams between the phone and the Cisco Unified Communications Manager server, and digitally sign files before they are delivered.
For more information about the security features, see the “Understanding Security
Features for Cisco Unified IP Phones” section on page 1-13. Also, refer to Cisco
Unified Communications Manager Security Guide.
A Locally Significant Certificate (LSC) installs on phones after you perform the necessary tasks that are associated with the CAPF. You can use Cisco Unified Communications Manager Administration to configure an LSC, as described in Cisco Unified Communications Manager Security Guide.
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Alternatively, you can initiate the installation of an LSC from the Security Configuration menu on the phone. This menu also lets you update or remove an LSC.
Before You Begin
Make sure that the appropriate Cisco Unified Communications Manager and the Certificate Authority Proxy Function (CAPF) security configurations are complete:
The CTL file should have a CAPF certificate.
The CAPF certificate must exist in the /usr/local/cm/.security/certs folder in
every server in the cluster.
The CAPF is running and configured.
The phone should have the correct load file. To verify the image, choose
Settings > Status > Firmware Versions. The application load file should begin with P00307.
Configuring Security on the Cisco Unified IP Phone
Refer to Cisco Unified Communications Manager Security Guide for more information.
To configure an LSC on the phone, perform these steps.
Procedure
Step 1 Obtain the CAPF authentication code that was set when the CAPF was
configured.
Step 2 From the phone, choose Settings > Security Configuration.
Note You can control access to the Settings Menu by using the Settings Access
field in the Cisco Unified Communications Manager Administration Phone Configuration Settings page. For more information, see the Cisco Unified Communications Manager Administration Guide.
Step 3 Press **# to unlock settings on the Security Configuration menu.(See the
“Unlocking and Locking Options” section on page 4-3 for information using
locking and unlocking options.)
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Note If a Settings Menu password has been provisioned, SIP phones present an
“Enter password” prompt after you enter **#.
Step 4 Scroll to LSC and press the Update softkey.
The phone prompts for an authentication string.
Step 5 Enter the authentication code and press the Submit softkey.
The phone begins to install, update, or remove the LSC, depending on how the CAPF was configured. During the procedure, a series of messages appears in the LSC option field in the Security Configuration menu so that you can monitor progress. When the procedure completes successfully, the phone will display Installed or Not Installed.
The LSC install, update, or removal process can take a long time to complete. You can stop the process at any time by pressing the Stop softkey from the Security Configuration menu. (Settings must be unlocked before you can press this softkey.)
Chapter 3 Setting Up the Cisco Unified IP Phone
When the phone successfully completes the installation procedure, it displays “Success.” If the phone displays, “Failure,” the authorization string may be incorrect or the phone may not enabled for upgrading. Refer to error messages generated on the CAPF server and take appropriate actions.
You can verify that an LSC is installed on the phone by choosing Settings > Model Information and ensuring that the LSC setting shows Yes.
Related Topic
Understanding Security Features for Cisco Unified IP Phones, page 1-13
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CHAPTER
4
Configuring Settings on the Cisco Unified IP Phone
The Cisco Unified IP Phone includes many configurable network and device settings that you may need to modify before the phone is functional for your users. You can access these settings, and change many of them, through menus on the phone.
This chapter includes the following topics:
Configuration Menus on the Cisco Unified IP Phone, page 4-1
Overview of Options Configurable from a Phone, page 4-5
Network Configuration Menu, page 4-7
Device Configuration Menu, page 4-15
Security Configuration Menu, page 4-44
Configuration Menus on the Cisco Unified IP Phone
The Cisco Unified IP Phone includes the following configuration menus:
Network Configuration menu—Provides options for viewing and making a
variety of network settings. For more information, see the “Network
Configuration Menu” section on page 4-7.
Device Configuration menu—Provides access to sub-menus from which you
can view a variety of non network-related settings. For more information, see the “Device Configuration Menu” section on page 4-15.
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Security Configuration menu—Provides options for displaying and
modifying security settings. For more information, see the “Security
Configuration Menu” section on page 4-37.
Before you can change option settings on the Network Configuration menu, you must unlock options for editing. See the “Unlocking and Locking Options”
section on page 4-3 for instructions.
For information about the keys you can use to edit or change option settings, see the “Editing Values” section on page 4-4.
You can control whether a phone user has access to phone settings by using the Settings Access field in the Cisco Unified Communications Manager Administration Phone Configuration Settings page. See the Cisco Unified Communications Manager Administration Guide for more information.
Related Topics
Chapter 4 Configuring Settings on the Cisco Unified IP Phone
Displaying a Configuration Menu, page 4-2
Unlocking and Locking Options, page 4-3
Editing Values, page 4-4
Overview of Options Configurable from a Phone, page 4-5
Network Configuration Menu, page 4-7
Device Configuration Menu, page 4-15
Displaying a Configuration Menu
To display a configuration menu, perform the following steps.
Note You can control whether a phone has access to the Settings menu or to options on
this menu by using the Settings Access field in the Cisco Unified Communications Manager Administration Phone Configuration page. The Settings Access field accepts these values:
Enabled—Allows access to the Settings menu.
Disabled—Prevents access to the Settings menu.
Restricted—Allows access to the User Preferences menu and allows volume
changes to be saved. Prevents access to other options on the Settings menu.
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If you cannot access an option on the Settings menu, check the Settings Access field. For more information, see the Cisco Unified Communications Manager Administration Guide.
Procedure
Step 1 Press the Settings button to access the Settings menu.
Step 2 Perform one of these actions to display the desired menu:
Use the Navigation button to select the desired menu and then press the
Select softkey.
Use the keypad on the phone to enter the number that corresponds to the
menu.
Configuration Menus on the Cisco Unified IP Phone
Step 3 To display a submenu repeat Step 2.
Step 4 To exit a menu, press the Exit softkey.
Related Topics
Unlocking and Locking Options, page 4-3
Editing Values, page 4-4
Overview of Options Configurable from a Phone, page 4-5
Network Configuration Menu, page 4-7
Device Configuration Menu, page 4-15
Unlocking and Locking Options
Configuration options that can be changed from a phone are locked by default to prevent users from making changes that could affect the operation of a phone. You must unlock these options before you can change them.
When options are inaccessible for modification, a locked padlock icon
appears on the configuration menus. When options are unlocked and accessible for modification, an unlocked padlock icon appears on these menus.
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To unlock or lock options, press **#. This action either locks or unlocks the options, depending on the previous state.
Note If a Settings Menu password has been provisioned, SIP phones present an “Enter
password” prompt after you enter **#.
Make sure to lock options after you have made your changes.
Caution Do not press **# to unlock options and then immediately press **# again to lock
options. The phone will interpret this sequence as **#**, which will reset the phone. To lock options after unlocking them, wait at least 10 seconds before you press **# again.
Related Topics
Chapter 4 Configuring Settings on the Cisco Unified IP Phone
Editing Values
Displaying a Configuration Menu, page 4-2
Editing Values, page 4-4
Overview of Options Configurable from a Phone, page 4-5
Network Configuration Menu, page 4-7
Device Configuration Menu, page 4-15
When you edit the value of an option setting, follow these guidelines:
Use the keys on the keypad to enter numbers and letters.
To enter letters using the keypad, use a corresponding number key. Press the
key one or more times to display a particular letter. For example, press the 2 key once for “a,” twice quickly for “b,” and three times quickly for “c.” After you pause, the cursor automatically advances to allow you to enter the next letter.
To enter a period (for example, in an IP address), press the . (period) softkey
or press * on the keypad.
Press the << softkey if you make a mistake. This softkey deletes the character
to the left of the cursor.
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Press the Cancel softkey before pressing the Save softkey to discard any
changes that you have made.
Note The Cisco Unified IP Phone provides several methods you can use to reset or
restore option settings, if necessary. For more information, see the “Resetting or
Restoring the Cisco Unified IP Phone” section on page 9-18.
Related Topics
Displaying a Configuration Menu, page 4-2
Unlocking and Locking Options, page 4-3
Overview of Options Configurable from a Phone, page 4-5
Network Configuration Menu, page 4-7
Device Configuration Menu, page 4-15
Overview of Options Configurable from a Phone
Overview of Options Configurable from a Phone
The settings that you can change on a phone fall into several categories, as shown in Table 4-1. For a detailed explanation of each setting and instructions for changing them, see the “Network Configuration Menu” section on page 4-7.
Note There are several options on the Network Configuration menu and on the Device
Configuration Menu that are for display only or that you can configure from Cisco Unified Communications Manager. These options are also described in the
“Network Configuration Menu” section on page 4-7 or the “Device Configuration Menu” section on page 4-15.
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Overview of Options Configurable from a Phone
Table 4-1 Settings Configurable from a Cisco Unified IP Phone
Category Description
Network Configuration Menu Option
DHCP settings Dynamic Host Configuration Protocol (DHCP)
automatically assigns IP address to devices when you connect them to the network. Cisco Unified IP Phones enable DHCP by default.
IP settings If you do not use DHCP in your network, you can
make IP settings manually.
TFTP settings If you do not use DHCP to direct the phone to a
TFTP server, you must manually assign a TFTP server. You can also assign an alternative TFTP server to use instead of the one assigned by DHCP.
VLAN settings Admin. VLAN ID allows you to change the
administrative VLAN used by the phone. PC VLAN allows the phone to interoperate with third-party switches that do not support a voice VLAN.
DHCP Enabled
DHCP Address Released
Domain Name
IP Address
Subnet Mask
Default Router 1-5
DNS Server 1-5
TFTP Server 1
Alternate TFTP
TFTP Server 2
Admin. VLAN ID
PC VLAN
Port settings Allow you to set the speed and duplex of the
network and access ports.
Related Topics
Displaying a Configuration Menu, page 4-2
Unlocking and Locking Options, page 4-3
Editing Values, page 4-4
Network Configuration Menu, page 4-7
Device Configuration Menu, page 4-15
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Network Configuration Menu
The Network Configuration menu provides options for viewing and making a variety of network settings. Tabl e 4 -2 describes these options and, where applicable, explains how to change them.
For information about how to access the Network Configuration menu, see the
“Displaying a Configuration Menu” section on page 4-2.
Note The phone also has a Network Configuration menu that you access directly from
the Settings menu. For information about the options on that menu, see the
“Network Configuration Menu” section on page 4-39.
Before you can change an option on this menu, you must unlock options as described in the “Unlocking and Locking Options” section on page 4-3. The Edit, Ye s, or No softkeys for changing network configuration options appear only if options are unlocked.
Network Configuration Menu
For information about the keys you can use to edit options, see the “Editing
Values” section on page 4-4.
Table 4-2 Network Configuration Menu Options
Option Description To Change
DHCP Server IP address of the Dynamic Host Configuration
Display only—cannot configure. Protocol (DHCP) server from which the phone obtains its IP address.
BOOTP Server Indicates whether the phone obtains its
Display only—cannot configure. configuration from a Bootstrap Protocol (BootP) server instead of from a DHCP server.
MAC Address Unique Media Access Control (MAC) address
Display only—cannot configure. of the phone.
Host Name Unique host name that the DHCP server
Display only—cannot configure. assigned to the phone.
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Network Configuration Menu
Table 4-2 Network Configuration Menu Options (continued)
Option Description To Change
Domain Name Name of the Domain Name System (DNS)
domain in which the phone resides.
IP Address Internet Protocol (IP) address of the phone.
If you assign an IP address with this option, you must also assign a subnet mask and default router. See the Subnet Mask and Default Router options in this table.
1. Unlock network
configuration options.
2. Set the DHCP Enabled
option to No.
3. Scroll to the Domain Name
option, press the Edit softkey, and then enter a new domain name.
4. Press the Va li da te softkey
and then press the Save softkey.
1. Unlock network
configuration options.
2. Set the DHCP Enabled
option to No.
3. Scroll to the IP Address
option, press the Edit softkey, and then enter a new IP Address.
4-8
4. Press the Va li da te softkey
and then press the Save softkey.
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