Cisco VG202, VG202XM, VG204XM, VG204 User Manual

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Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways Software Configuration Guide

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Text Part Number: OL-16191-01

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Preface v

CONTENTS

CHAPTER

1 Understanding Interface Numbering and Cisco IOS Software Basics 1-1

About the Voice Gateways 1-1

Port Numbering Conventions 1-1

Understanding Cisco IOS Software Basics 1-3

About Cisco IOS Software 1-3 Getting Help 1-4 Command Modes 1-4 Undoing a Command or Feature 1-5 Saving Configuration Changes 1-5 Upgrading to a New Cisco IOS Release 1-6

Typical Voice Gateway Deployment Scenario 1-6

Where to Go Next 1-6

2 Configuring Your Voice Gateway Using the setup Command 2-1

About Configuring Your Voice Gateway 2-1

Preparing to Configure Your Cisco Voice Gateway 2-1

Using the setup Command 2-2

CHAPTER

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Completing the Configuration 2-5

3 Configuring Your Voice Gateway Using the CLI 3-1

Configuring the Hostname and Password 3-1

Verifying the Hostname and Password 3-2

Configuring Fast Ethernet Interfaces 3-3

Saving Configuration Changes 3-5

4 Configuring Voice 4-1

Prerequisites 4-1

Configuring the Voice Interface 4-1

Auto-Configuration on the Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways

4-3

Restriction for Configuring Auto-Configuration 4-3

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Contents

Auto-Configuration With a DHCP Server 4-3 Auto-Configuration Without a DHCP Server 4-5

Configuring the Voice Interface for Cisco Unified Communications Manager 4-7

Configuring the MAC Address Convention 4-10

Configuring Calls 4-11

Call Transfer 4-11 Call Waiting 4-12 Three-Party Conferencing 4-12 Caller ID 4-12

APPENDIX

NDEX

A Using the ROM Monitor A-1

Entering the ROM Monitor Mode A-1

About the ROM Monitor Commands A-2

Listing the ROM Monitor Commands A-3 Command Descriptions A-3

Recovering Boot and System Images A-4

Using the Configuration Register A-5

About Changing the Configuration Register A-5 Changing the Configuration Register Manually A-5 Changing the Configuration Register Using Prompts A-5

Using the Console Download Function A-6

About the Console Download Function A-6 Command Description A-6 Error Reporting A-7

Using Debug Commands A-7

Exiting the ROM Monitor Mode A-8

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Preface

This preface describes the objectives, audience, and conventions of this document, and where to get the latest version of documentation.

• Document Objectives, page v

• Audience, page v

• Documentation Conventions, page vi

• Accessibility, page vi

• Related Documentation, page vii

• Obtaining Documentation and Submitting a Service Request, page vii

Document Objectives

After installing a Cisco VG202, Cisco VG202XM, Cisco VG204, or Cisco VG204XM voice gateway, use this guide to complete a basic configuration. This guide also contains information on using the Cisco IOS software to perform other configuration tasks, such as configuring a VoIP interface and other features.

This guide does not provide complete configuration instructions. See the Cisco IOS configuration guides and command references for detailed configuration instructions.

Audience

This document is designed for the person who will be responsible for configuring your voice gateway. This guide is intended primarily for the following audiences:

• Customers with technical networking background and experience.

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• System administrators who are familiar with the fundamentals of voice gateway-based

internetworking, but who might not be familiar with Cisco IOS software.

• System administrators who are responsible for installing and configuring internetworking

equipment, and who are familiar with Cisco IOS software.

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Documentation Conventions

Table 1 Documentation Conventions

Convention Description

boldface font Commands and keywords.

italic font Variables for which you supply values.

[ ] Keywords or arguments that appear within square brackets are optional.

{x | y | z} A choice of required keywords appears in braces separated by vertical bars. You must select one.

screen font Examples of information displayed on the screen.

boldface screen

font

< > Nonprinting characters, for example passwords, appear in angle brackets in contexts where italic font is

[ ] Default responses to system prompts appear in square brackets.

Examples of information you must enter.

not available.

Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in

this publication.

Timesaver Means the described action saves time. You can save time by performing the action described in the

paragraph.

Caution Means reader be careful. In this situation, you might do something that could result in equipment

damage or loss of data.

Tip Means the following information will help you solve a problem. The tips information might not be

troubleshooting or even an action, but could be useful information, similar to a Timesaver.

Accessibility

You can configure the Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways by using the Cisco command-line interface (CLI). The CLI conforms to code 508 because it is text based and relies on a keyboard for navigation. You can configure and monitor all functions of the voice gateway through the CLI.

For a complete list of guidelines and Cisco products’ adherence to accessibility, see Cisco Accessibility Products at the following URL:

http://www.cisco.com/web/about/responsibility/accessibility/products

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Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, submitting a service request, and gathering additional information, 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

Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS version 2.0.

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Understanding Interface Numbering and Cisco IOS Software Basics

• About the Voice Gateways, page 1-1

• Port Numbering Conventions, page 1-1

• Understanding Cisco IOS Software Basics, page 1-3

• Typical Voice Gateway Deployment Scenario, page 1-6

• Where to Go Next, page 1-6

About the Voice Gateways

Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways deliver analog voice gateways for the service provider as well as commercial and enterprise unified communication markets. These voice gateways provide voice connectivity to devices such as analog phones, fax machines, and modems.

Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways provide support for 2-FXS (Cisco VG202 and Cisco VG202XM) and 4-FXS (Cisco VG204 and Cisco VG204XM) ports, each supporting independent telephone numbers giving you two or four separate lines, and parity with Cisco IOS fax/modem, security, and Session Initiation Protocol (SIP) features. Both voice gateways are configurable with Cisco Unified Communications Manager (CUCM) & Cisco Unified Communications Manager Express (CUCME).

CHAP T ER

Note Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways are fixed voice

gateways and do not support interface cards.

Port Numbering Conventions

The Cisco VG202 voice gateway supports two RJ-11 ports and supports two FXS voice ports with two 10/100 Fast Ethernet ports. Figure 1-1 shows the interfaces and ports on the Cisco VG202 voice gateway. All interface ports are on the back of the chassis.

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Port Numbering Conventions

231880

12V DC SA

CON

SOL

AUX

FastEthernet

0/1

0/0

VG20 2

FXS

0/1

0/0

Note The Cisco VG202 and the Cisco VG202XM chassis are identical. The only difference is the model

number on the top center. On the Cisco VG202 chassis, the faceplate label says VG202. On the Cisco VG202XM chassis, the faceplate label says VG202XM.

Figure 1-1 Back Panel Feature Locations on the Cisco VG202 Chassis

Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics

Fast Ethernet port 1,

Fast Ethernet port 0 2

Serial port—console or auxiliary 3

FXS ports

4 Power connector 5 Chassis ground connection 6 Kensington security slot

The Cisco VG204 voice gateway supports four RJ-11ports and supports four FXS voice ports with two 10/100 Fast Ethernet ports. Figure 1-2 shows the interfaces and ports on the Cisco VG204 voice gateway. All interface ports are on the back of the chassis.

Note The Cisco VG204 and the Cisco VG204XM chassis are identical. The only difference is the model

number on the top center. On the Cisco VG204 chassis, the faceplate label says VG204. On the Cisco VG204XM chassis, the faceplate label says VG204XM.

Figure 1-2 Back Panel Feature Locations on the Cisco VG204 Chassis

FastEthernet

0/1

CONSOLE

0/0

AUX

VG204

FXS

0/20/3

0/1

0/0

12V

DC SA

231940

1-2

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Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics

Understanding Cisco IOS Software Basics

Fast Ethernet port 1,

Fast Ethernet port 0 2

4 Power connector 5 Chassis ground connection 6 Kensington security slot

Port numbering conventions for the Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways are as follows:

• Foreign Exchange Station (FXS) voice port numbering begins at 0/0 and extends to 0/1 for the

Cisco VG202 and Cisco VG202XM, and extends to 0/3for the Cisco VG204 and Cisco VG204XM.

• 10/100BASE-T Fast Ethernet ports are numbered Fast Ethernet 0/0 and Fast Ethernet 0/1, from right

to left.

Serial port—console or auxiliary 3

Understanding Cisco IOS Software Basics

• About Cisco IOS Software, page 1-3

• Getting Help, page 1-4

• Command Modes, page 1-4

• Undoing a Command or Feature, page 1-5

• Saving Configuration Changes, page 1-5

• Upgrading to a New Cisco IOS Release, page 1-6

FXS ports

About Cisco IOS Software

Understanding these concepts about the Cisco IOS software will save time as you begin to use the CLI. If you have never used Cisco IOS software or if you need a refresher, take a few minutes to read this chapter before you proceed to the next chapter.

If you are already familiar with Cisco IOS software, proceed to Chapter 2, “Configuring Your Voice

Gateway Using the setup Command.”

For a comprehensive view of Cisco IOS configuration fundamentals, see the Cisco IOS Configuration

Fundamentals Configuration Guide, Release 12.4.

Note • Your Cisco IOS software release may not support all of the features documented in this document.

For the latest feature information and caveats, see the release notes for your platform and software release.

• Use the Cisco Feature Navigator to find information about platform support and Cisco IOS and

Catalyst OS software image support. To access the Cisco Feature Navigator, go to

http://www.cisco.com/go/cfn. You do not need an account on Cisco.com to access the Cisco Feature

Navigator.

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Understanding Cisco IOS Software Basics

• The VG202 and VG204 devices support IOS software releases 15.0(1)M or earlier* due to memory

limitations. The VG202XM and VG204XM devices will support the latest IOS software release

15.3(2)T and beyond. Earlier releases are not supported on the VG202XM and VG204XM. *Deployments requiring support for secure SCCP based call control are supported using 15.1(4)M IOS release.

Getting Help

Use the question mark (?) and arrow keys to help you enter commands:

• For a list of available commands, enter a question mark:

VG> ?

• To complete a command, enter a few known characters followed by a question mark (with no space):

VG> s?

• For a list of command variables, enter the command followed by a space and a question mark:

VG> show ?

Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics

• To redisplay a command you previously entered, press the up arrow key. You can continue to press

Command Modes

The Cisco IOS user interface involves different modes. Each command mode permits you to configure different components on your voice gateway. The commands available at any given time depend on which mode you are currently in. Entering a question mark (?) at the prompt displays a list of commands available for each command mode. Tab le 1-1 lists the most common command modes.

Table 1-1 Common Command Modes

Command Mode Access Method VG Prompt Displayed Exit Method

User EXEC Log in.

Privileged EXEC From user EXEC mode,

the up arrow key for more commands.

enter the enable command.

VG> Use the logout

command.

VG# To exit to user EXEC

mode, use the disable, exit, or logout

command.

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Understanding Cisco IOS Software Basics

Table 1-1 Common Command Modes (continued)

Command Mode Access Method VG Prompt Displayed Exit Method

Global configuration From the privileged

EXEC mode, enter the configure terminal command.

Interface configuration From the global

configuration mode, enter the interface type number command, such as

interface fast ethernet 0/0.

Timesaver Each command mode restricts you to a subset of commands. If you are having trouble entering a

command, check the prompt, and enter the question mark (?) for a list of available commands. You might be in the wrong command mode or using the wrong syntax.

VG(config)# To exit to privileged

EXEC mode, use the exit or end command, or press Ctrl-Z.

VG(config-if)# To exit to global

configuration mode, use the exit command.

To exit directly to privileged EXEC mode, press Ctrl-Z.

In the following example, notice how the prompt changes after each command to indicate a new command mode:

VG> enable Password: <enable password> VG# configure terminal VG(config)# interface fastEthernet 0/0 VG(config-if)# line 0 VG(config)# exit VG# %SYS-5-CONFIG_I: Configured from console by console

The last message is normal and does not indicate an error. Press Return to get the VG# prompt.

Note You can press Ctrl-Z in any mode to immediately return to enable mode (VG#), instead of entering exit,

which returns you to the previous mode.

Undoing a Command or Feature

If you want to undo a command you entered or disable a feature, enter the keyword no before most commands; for example, no ip routing.

Saving Configuration Changes

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You need to enter the copy running-config startup-config command to save your configuration changes to NVRAM, so the changes are not lost if there is a system reload or power outage. For example:

VG# copy running-config startup-config Building configuration...

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272489

Typical Voice Gateway Deployment Scenario

It might take a minute or two to save the configuration to NVRAM. After the configuration has been saved, the following appears:

[OK] VG#

Upgrading to a New Cisco IOS Release

To install or upgrade to a new Cisco IOS release, see Maintaining System Memory in the Cisco IOS

Configuration Fundamentals Configuration Guide, Release 12.2.

Note To simplify network operations and management of Cisco IOS software migration, see the Basics of a

Successful Cisco IOS Software Migration.

Typical Voice Gateway Deployment Scenario

Figure 1-3 shows a typical deployment scenario for a Cisco VG202, Cisco VG202XM, Cisco VG204, or

Cisco VG204XM voice gateway.

Figure 1-3 Analog FXS User Interfaces

Ethernet

3 RJ-11 cables 4 Analog telephones

Where to Go Next

Now that you have learned some Cisco IOS software basics and seen a typical deployment scenario, you can begin to configure your voice gateway by using the CLI.

Cisco VG204/Cisco VG204XM voice

gateway

Remember that:

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• You can use the question mark (?) and arrow keys to help you enter commands.

• Each command mode restricts you to a set of commands. If you have difficulty entering a command,

check the prompt and then enter the question mark (?) for a list of available commands. You might be in the wrong command mode or be using the wrong syntax.

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Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics

• To disable a feature, generally enter the keyword no before the command; for example, no ip

routing.

• You need to save your configuration changes to NVRAM so that the changes are not lost if there is

a system reload or power outage.

Go to Chapter 2, “Configuring Your Voice Gateway Using the setup Command,” to begin configuring your voice gateway.

Where to Go Next

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Where to Go Next

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CHAP T ER

Configuring Your Voice Gateway Using the setup Command

This chapter describes how to use the setup command to configure your voice gateway. The setup command prompts you to enter information needed to start a voice gateway functioning quickly. The facility steps you through a basic configuration, including LAN interfaces.

• About Configuring Your Voice Gateway, page 2-1

• Preparing to Configure Your Cisco Voice Gateway, page 2-1

• Using the setup Command, page 2-2

• Completing the Configuration, page 2-5

About Configuring Your Voice Gateway

The Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways ship with a default configuration. During the first boot up, the voice gateways do not enter setup mode and are configured through auto-configuration.

If you prefer to configure the voice gateway manually or if you wish to configure a module or interface that is not included in the setup command, proceed to “Chapter 3, “Configuring Your Voice Gateway

Using the CLI,” for step-by-step instructions.

If you prefer to configure the voice gateway using AutoInstall, see Using AutoInstall to Remotely

Configure Cisco Networking Devices.

Preparing to Configure Your Cisco Voice Gateway

Procedure

Step 1 Set up the hardware as described in the Cisco VG202, Cisco VG202XM, Cisco VG204, and

Cisco VG204XM Voice Gateways Hardware Installation Guide.

Step 2 Configure your PC terminal emulation program for 9600 baud, 8 data bits, no parity, and 1 stop bit.

Step 3 Determine which network protocols you support.

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Using the setup Command

Step 4 Determine the addressing plan for each network protocol.

Using the setup Command

The setup command is displayed in your PC terminal emulation program window.

Note If you make a mistake while using the setup command, you can exit and run the command again. Press

Ctrl-C, and enter setup at the enable mode prompt (VG#).

Procedure

Step 1 Plug in the external power supply.

The system begins to display messages in your terminal emulation program window.

Chapter 2 Configuring Your Voice Gateway Using the setup Command

Caution The voice gateway does not enter setup mode during the initial configuration. During initial

configuration, the voice gateway boots up in auto-configuration. You can only use the setup command to configure the voice gateway manually after the initial configuration. Using the setup command during the initial configuration erases the default configuration and must be avoided.

Caution Do not press any keys on the keyboard until the messages stop. The system interprets any keys pressed

during this time as the first command typed when the messages stop, which might cause the voice gateway to power off and start over. It takes a few minutes for the messages to stop.

The messages look similar to the following example.

System configuration has been modified. Save? [yes/no]: n Proceed with reload? [confirm]

*Apr 21 14:23:38.051: %SYS-5-RELOAD: Reload requested by console. Reload Reason: Reload Command. System Bootstrap, Version 12.4(20080415:092610) [anyname-VG.V124_19_9_2_PIA9.14582.ios.sync 102], DEVELOPMENT SOFTWARE Copyright (c) 1994-2008 by cisco Systems, Inc.

VG202 platform with 131072 Kbytes of main memory

Upgrade ROMMON initialized program load complete, entry point: 0x80020000, size: 0x1437d40 Self decompressing the image: ########################################################################################## ########################################################################################## ################################# [OK]

2-2

Restricted Rights Legend

Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) of the Commercial Computer Software - Restricted Rights clause at FAR sec. 52.227-19 and subparagraph

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Chapter 2 Configuring Your Voice Gateway Using the setup Command

cisco Systems, Inc. 170 West Tasman Drive San Jose, California 95134-1706

Cisco IOS Software, VG20X Software (VG20X-ADVIPSERVICESK9-M), Version

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.

Using the setup Command

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.

Cisco VG202 (MPC8300) processor (revision 0x100) with 98304K/32768K bytes of memory. Processor board ID FOC11334C2B MPC8300 CPU Rev: Part Number 0x8062, Revision ID 0x11 2 FastEthernet interfaces 2 Voice FXS interfaces 256K bytes of non-volatile configuration memory. 126000K bytes of ATA CompactFlash (Read/Write)

--- System Configuration Dialog ---

Would you like to enter the initial configuration dialog? [yes/no]: y

At any point you may enter a question mark '?' for help. Use ctrl-c to abort configuration dialog at any prompt. Default settings are in square brackets '[]'.

Step 2 When the following message appears, enter yes to begin the initial configuration dialog:

Would you like to enter the initial configuration dialog? [yes/no]:

Step 3 When the following message appears, press Return to see the current interface summary:

First, would you like to see the current interface summary? [yes]:

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Any interface listed with OK? value “NO” does not have a valid configuration

Interface IP-Address OK? Method Status Protocol FastEthernet0/0 unassigned NO unset up up FastEthernet0/1 unassigned NO unset up down

Step 4 Enter a hostname for the voice gateway:

Configuring global parameters:

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Enter hostname [VG]: VG204

The enable secret is a password used to protect access to privileged EXEC and configuration modes. This password, after entered, becomes encrypted in the configuration.

Step 5 Enter an enable secret password. This password is encrypted (more secure) and cannot be seen when

viewing the configuration:

The enable secret is a password used to protect access to privileged EXEC and configuration modes. This password, after entered, becomes encrypted in the configuration. Enter enable secret: cisco

Step 6 Enter an enable password that is different from the enable secret password. This password is not

encrypted (less secure) and can be seen when viewing the configuration:

The enable password is used when you do not specify an enable secret password, with some older software versions, and some boot images. Enter enable password: cisco % Please choose a password that is different from the enable secret Enter enable password: cisco

Chapter 2 Configuring Your Voice Gateway Using the setup Command

Step 7 Enter the virtual terminal password, which prevents unauthenticated access to the voice gateway through

ports other than the console port:

The virtual terminal password is used to protect access to the VG over a network interface. Enter virtual terminal password: cisco Configure SNMP Network Management? [yes]: n Configure IP? [yes]: Configure RIP routing? [yes]: n Configure bridging? [no]:

Step 8 Respond to the following prompts as appropriate for your network:

Do you want to configure FastEthernet0/0 interface? [yes]: Use the 100 Base-TX (RJ-45) connector? [yes]: Operate in full-duplex mode? [no]: Configure IP on this interface? [yes]: IP address for this interface: 9.13.38.150 Subnet mask for this interface [255.0.0.0] : 255.255.255.0 Class A network is 9.0.0.0, 24 subnet bits; mask is /24

Do you want to configure FastEthernet0/1 interface? [yes]: n

Would you like to go through AutoSecure configuration? [yes]: n AutoSecure dialog can be started later using "auto secure" CLI

The following configuration command script was created:

hostname VG-202 enable secret 5 $1$Y0VQ$D8qM6vS3qId.BP3w.GjlE. enable password cisco line vty 0 4 password cisco no snmp-server ! ip routing no bridge 1 !

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Chapter 2 Configuring Your Voice Gateway Using the setup Command

interface FastEthernet0/0 media-type 100BaseX half-duplex ip address 9.13.38.150 255.255.255.0 ! interface FastEthernet0/1 shutdown no ip address dialer-list 1 protocol ip permit ! end

Completing the Configuration

After you have entered all the prompted information for the setup command, the system displays the configuration.

Procedure

Completing the Configuration

Step 1 The system asks if you want to save this configuration, with the following options:

[0] Go to the IOS command prompt without saving this config. [1] Return back to the setup without saving this config. [2] Save this configuration to nvram and exit.

If you enter 0, the system does not save the configuration information that you entered, and you return to the voice gateway enable prompt (

VG#). Enter setup to return to the system configuration dialog.

If you enter 1, the system returns you to the setup command without saving the configuration.

If you enter 2, the system saves the configuration and returns you to the user EXEC prompt

Step 2 When the messages stop appearing on your screen, press Return to get the VG> prompt.

Step 3 The VG> prompt indicates that you are now at the CLI and you have just completed a basic voice gateway

(VG>).

configuration. However, this is not a complete configuration. At this point you have two choices:

• Run the setup command again and create another configuration. Enter the following:

VG> enable Password: password VG# setup

• Modify the existing configuration or configure additional features with the CLI as described in

Chapter 3, “Configuring Your Voice Gateway Using the CLI.”

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Completing the Configuration

Chapter 2 Configuring Your Voice Gateway Using the setup Command

2-6

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CHAP T ER

Configuring Your Voice Gateway Using the CLI

Follow the procedures in this chapter to manually configure the voice gateway or to change the configuration after you have run the setup command described in the “Configuring Your Voice Gateway

Using the setup Command” section on page 2-1.

• Configuring the Hostname and Password, page 3-1

• Configuring Fast Ethernet Interfaces, page 3-3

• Saving Configuration Changes, page 3-5

Note • This chapter does not describe every configuration possible—only a small portion of the most

commonly used configuration procedures. For advanced configuration topics, see the Cisco IOS configuration guide and command reference publications.

• If you skipped Chapter 2, “Configuring Your Voice Gateway Using the setup Command,” and you

have never configured a voice gateway before, read it now. That chapter contains important information that you need for configuring your voice gateway.

Configuring the Hostname and Password

One of the first configuration tasks is to configure the hostname and set an encrypted password. Configuring a hostname allows you to distinguish multiple voice gateways and routers from each other. Setting an encrypted password allows you to prevent unauthorized configuration changes.

Restriction

You can only specify a hostname if the voice gateway has a DNS server available for hostname resolution.

SUMMARY STEPS

1. enable

2. configure terminal

3. hostname name

4. enable secret password

5. line configuration line

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6. exec-timeout minutes seconds

7. exit

DETAILED STEPS

Command or Action Purpose

Step 1

enable

Example:

VG# enable

Step 2

configure terminal

Example:

VG# configure terminal

Step 3

hostname name

Chapter 3 Configuring Your Voice Gateway Using the CLI

Enters privileged EXEC mode.

Enters global configuration mode. You have entered global configuration mode when the prompt changes to

VG(config)#.

Changes the name of the voice gateway to a meaningful name.

Step 4

Step 5

Step 6

Step 7

Example:

VG(config)# hostname VG204

enable secret password

Example:

VG(config)# enable secret guessme

line configuration line

Example:

VG(config)# line configuration 0

exec-timeout minutes seconds

Example:

VG(config-line)# exec-timeout 0 0

exit

Example:

VG(config-line)# exit

Enters an enable secret password. This password provides access to privileged EXEC mode. When you press enter at the user EXEC prompt (

VG>), you must

enter the enable secret password to gain access to configuration mode. Substitute your enable secret password for

guessme.

Enters line configuration mode to configure the console port. When you enter line configuration mode, the prompt changes to

VG(config-line)#.

Prevents the voice gateway’s EXEC facility from timing out if you do not type any information on the console screen for an extended period.

Exits to global configuration mode.

Verifying the Hostname and Password

To verify that you configured the correct hostname and password, follow these steps.

Procedure

Step 1 Enter the show config command:

VG# show config

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Using 1888 out of 126968 bytes ! version XX.X . . . ! hostname VG204 ! enable secret 5 $1$60L4$X2JYOwoDc0.kqa1loO/w8/ . . .

Step 2 Check the hostname and encrypted password displayed near the top of the command output.

Step 3 Exit global configuration mode and attempt to reenter it, using the new enable password:

VG# exit . . . VG con0 is now available Press RETURN to get started. VG> enable Password: guessme VG#

Configuring Fast Ethernet Interfaces

Tip If you are having trouble, ensure the following:

• Caps lock is off.

• You entered the correct passwords. Passwords are case sensitive.

Configuring Fast Ethernet Interfaces

To configure a Fast Ethernet interface, use the configuration software provided with your voice gateway. Otherwise, for greatest power and flexibility, use configuration mode (manual configuration).

This section describes basic Fast Ethernet interface configuration, including enabling the interface and specifying IP routing. Depending on your own requirements and the protocols you plan to route, you might also need to enter other configuration commands.

Before You Begin

• Connect a console to the voice gateway.

• Power on the voice gateway by plugging in the external power supply.

SUMMARY STEPS

1. enable

2. configure terminal

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3. ip routing

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DETAILED STEPS

Command or Action Purpose

Step 1

enable

Example:

VG# enable

Step 2

configure terminal

Example:

VG# configure terminal

Step 3

ip routing

Chapter 3 Configuring Your Voice Gateway Using the CLI

4. interface type number

5. ip address ip address subnet mask

6. exit

7. Ctrl-z

Enters privileged EXEC mode.

Enters global configuration mode.

Enables routing protocols as required for your global configuration. This example uses IP routing.

Step 4

Step 5

Step 6

Step 7

Example

Example:

VG(config)# ip routing

interface type [number]

Example:

VG(config)# interface fastethernet 0/0

ip address ip address subnet mask

Example:

VG(config-if)# ip address 172.16.74.3

255.255.255.0

exit

Example:

VG(config-if)# exit

Ctrl-z

Example:

VG# Ctrl-z

Enters interface configuration mode. You have entered interface configuration mode when the prompt changes to

VG(config-if)#.

Assigns an IP address and subnet mask to the interface.

Exits to global configuration mode.

Repeat Step 4 through Step 6 if your voice gateway has more than one interface to configure.

Returns to enable mode when you finish configuring interfaces.

3-4

The following example shows how to configure the Fast Ethernet interface on the voice gateway:

VG-204(config)#int fa0/0 VG-204(config-if)#ip add VG-204(config-if)#ip address 9.13.38.149 255.255.255.0 VG-204(config-if)#do sh runn int fa0/0 Building configuration...

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Current configuration : 96 bytes ! interface FastEthernet0/0 ip address 9.13.38.149 255.255.255.0 speed auto half-duplex end

Saving Configuration Changes

Perform the following steps to save the voice gateway configuration.

SUMMARY STEPS

1. enable

2. copy running-config startup-config

3. Ctrl-z

Saving Configuration Changes

DETAILED STEPS

Command or Action Purpose

Step 1

enable

Example:

VG# enable

Step 2

copy running-config startup-config

Example:

VG# copy running-config startup-config

Step 3

Ctrl-z

Example:

VG# Ctrl-z

Enters privileged EXEC mode.

Saves the configuration changes to NVRAM so that they are not lost during resets, power cycles, or power outages.

Returns to enable mode when you finish configuring the interfaces.

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Saving Configuration Changes

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Configuring Voice

This chapter explains how to configure voice interfaces and ports, which convert telephone voice signals for transmission over an IP network.

This chapter presents the following major topics:

• Prerequisites, page 4-1

• Configuring the Voice Interface, page 4-1

VoIP enables your Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways to carry live voice traffic (for example, telephone calls and faxes) over an IP network. VoIP offers the following benefits:

• Toll bypass

• Unified voice and data trunking

• Plain old telephone service (POTS)–Internet telephony gateways

For more information on understanding and configuring VoIP, see Configuring Voice over IP.

Prerequisites

Before you can configure your Cisco voice gateway to use VoIP, you must first do the following:

• Establish a working IP network.

• Implement a dial plan, including the following tasks:

–

Complete your company’s dial plan. That is, decide what patterns of dialed numbers will access what telephony endpoints.

–

Establish a working telephony network based on your company’s dial plan.

–

Integrate your dial plan and telephony network into your existing IP network topology.

Configuring the Voice Interface

Whenever you install a new interface or want to change the configuration of an existing interface, you must configure the interface.

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Configuring the Voice Interface

Note The Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways are fixed

voice gateways and do not support interface cards.

Before you configure an interface, have the following information available:

• Protocols you plan to route on the new interface

• IP addresses, subnet masks, network numbers, zones, or other information related to the routing

protocol

Timesaver Obtain this information from your system administrator or network plan before you begin configuring

your voice gateway.

To configure a voice interface, you must use configuration mode (manual configuration). In this mode, you can enter Cisco IOS commands through the CLI.

Procedure

Step 1 Connect a console to the voice gateway as described in the Cisco VG202, Cisco VG202XM,

Cisco VG204, and Cisco VG204XM Voice Gateways Hardware Installation Guide.

Step 2 Power on the voice gateway. If the current configuration is no longer valid, after about one minute you

see the following prompt:

Would you like to enter the initial dialog? [yes/no]:

Answer no. You now enter the normal operating mode of the voice gateway.

Note If the current configuration is valid, you enter the normal operating mode automatically.

Step 3 After a few seconds, you see the user EXEC prompt (VG>). Type enable and the password to enter enable

mode:

VG> enable Password: <password>

The prompt changes to the privileged EXEC (enable) prompt (VG#):

VG#

Step 4 Enter the configure terminal command to enter configuration mode:

VG# configure terminal VG(config)#

The voice gateway enters global configuration mode, indicated by the VG(config)# prompt.

4-2

Step 5 If you have not configured the voice gateway before, or you want to change the configuration, use Cisco

IOS commands to configure global parameters, passwords, network management, and routing protocols. In this example, IP routing is enabled:

VG(config)# ip routing

For complete information about global configuration commands, see the Cisco IOS configuration guides and command references.

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Step 6 To configure another interface, enter the exit command to return to the VG(config)# prompt.

Step 7 To configure the voice gateway for voice traffic, see the VoIP references in the “Prerequisites” section

on page 4-1.

Step 8 To exit configuration mode and return to the enable prompt, when you finish configuring interfaces,

press Ctrl-Z. To see the current operating configuration, including any changes you just made, enter the show running-config command:

VG# show running-config

To see the configuration currently stored in NVRAM, enter the show startup-config command at the enable prompt:

VG# show startup-config

Step 9 The results of the show running-config and show startup-config commands differ if you have made

changes to the configuration but have not yet written them to NVRAM. To write your changes to NVRAM and make them permanent, enter the copy running-config startup-config command at the enable prompt:

VG# copy running-config startup-config Building configuration. . . [OK] VG#

Auto-Configuration on the Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways

The Cisco voice gateway is now configured to boot in the new configuration.

Auto-Configuration on the Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways

To configure auto-configuration on the Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways, follow these guidelines and procedures.

• Restriction for Configuring Auto-Configuration

• Auto-Configuration on the Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM

Voice Gateways

• Configuring the Voice Interface for Cisco Unified Communications Manager

• Configuring the MAC Address Convention

Restriction for Configuring Auto-Configuration

Before you can connect the voice gateway to the network, you must provision the Cisco Unified Communications Manager (CUCM) with the voice gateway information.

Auto-Configuration With a DHCP Server

When the Dynamic Host Configuration Protocol (DHCP) server is available, the voice gateway sends a DHCP server request to provide the IP address for the Fast Ethernet 0/0 interface, and the TFTP server’s IP address using the DHCP option 150. When the DHCP server provides the information, the voice

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gateway provisions itself with the CUCM configuration using Skinny Call Control Protocol (SCCP). Analog ports which have been pre-configured on CUCM automatically register on CUCM as SCCP-controlled ports.

To provision the voice gateway with auto-configuration when a DHCP server is available, use the following commands.

SUMMARY STEPS

1. enable

2. configure terminal

3. interface type slot/port

4. ip address dhcp

5. sccp local interface-type interface-number port port-number

6. ccm-manager sccp local interface-type interface-number

7. ccm-manager sccp

8. voice service voip

Chapter 4 Configuring Voice

DETAILED STEPS

Command or Action Purpose

Step 1

enable

Example:

VG# enable

Step 2

configure terminal

Example:

VG# configure terminal

Step 3

interface type slot/port

Example:

VG(config)# interface fastethernet 0/0

Step 4

ip address dhcp

9. fax protocol t38 [nse[force]]

10. exit

Enters privileged EXEC mode.

Enters global configuration mode. You have entered global configuration mode when the prompt changes to

VG(config)#.

Enters interface configuration mode and specifies the type of interface you plan to configure. You have entered interface configuration mode when the prompt changes to

VG(config-if)#.

Acquires an IP address on an interface from the DHCP.

Step 5

4-4

Example:

VG(config-if)# ip address dhcp

sccp local interface-type interface-number port port-type

Enables SCCP and its related applications (transcoding and conferencing).

Example:

VG(config)# sccp local fastethernet 0/0

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Chapter 4 Configuring Voice

Command or Action Purpose

Step 6

ccm-manager sccp local interface-type interface-number

Example:

VG(config)# ccm-manager sccp local fastethernet 0/0

Step 7

ccm-manager sccp

Auto-Configuration on the Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways

Selects the local interface that the SCCP application uses to register with CUCM.

Enables CUCM autoconfiguration of the Cisco IOS gateway.

Example:

VG(config)# ccm-manager sccp

Step 8

voice service voip

Example:

VG(config)# voice service voip

Step 9

fax protocol t38 [nse[force]]

Example:

VG(config)# fax protocol t38 nse force

Step 10

exit

Example:

VG(config-line)# exit

Auto-Configuration Without a DHCP Server

When the DHCP server is not available, use the following commands to provision the voice gateway with the CUCM configuration.

Note The ccm sccp command will remove itself if

there is no IP address configured. The command checks every 20 seconds, up to a maximum of 8 times, then the Cisco IOS gateway will be automatically unconfigured.

Enters voice-service configuration mode and specifies a voice-encapsulation type.

Note This step is not necessary through

auto-configuration.

Specifies the global default ITU-T T.38 standard fax protocol to be used for all VoIP dial peers.

Note This step is not necessary through

auto-configuration.

Exits to global configuration mode.

SUMMARY STEPS

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1. enable

2. configure terminal

3. interface type slot/port

4. ip address static ip subnet mask

5. sccp local interface-type interface-number port port-number

6. voice service voip

7. fax protocol t38 [nse[force]]

8. ccm-manager sccp local interface-type interface-number

9. ccm-manager config server tftp_ip_address

10. ccm-manager sccp

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11. exit

DETAILED STEPS

Command or Action Purpose

Step 1

Step 2

Step 3

Step 4

enable

Example:

VG# enable

configure terminal

Example:

VG# configure terminal

interface type slot/port

Example:

VG(config)# interface fastethernet 0/0

ip address dhcp

Enters privileged EXEC mode.

Enters global configuration mode. You have entered global configuration mode when the prompt changes to

VG(config)#.

Enters interface configuration mode and specifies the type of interface you plan to configure. You have entered interface configuration mode when the prompt changes to

VG(config-if)#.

Acquires an IP address on an interface from the DHCP.

Chapter 4 Configuring Voice

Step 5

Step 6

Step 7

Step 8

Step 9

Example:

VG(config-if)# ip address dhcp

sccp local interface-type interface-number port port-type

Example:

VG(config)# sccp local fastethernet 0/0

voice service voip

Example:

VG(config)# voice service voip

fax protocol t38 [nse[force]]

Example:

VG(config)# fax protocol t38 nse force

ccm-manager sccp local interface-type interface-number

Example:

VG(config)# ccm-manager sccp local fastethernet 0/0

ccm-manager config server tftp_ip_address

Example:

VG(config)# ccm-manager config server tftp

9.13.38.245

Enables the SCCP and its related applications (transcoding and conferencing).

Enters voice-service configuration mode and specifies a voice-encapsulation type.

Specifies the global default ITU-T T.38 standard fax protocol to be used for all VoIP dial peers.

Selects the local interface that the SCCP application uses to register with CUCM.

Specifies the TFTP server from which the voice gateway downloads CUCM XML configuration files and enables the system to download the port number of the configuration port.

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Chapter 4 Configuring Voice

Configuring the Voice Interface for Cisco Unified Communications Manager

Command or Action Purpose

Step 10

ccm-manager sccp

Enables CUCM auto-configuration of the Cisco IOS gateway.

Example:

VG(config)# ccm-manager sccp

Step 11

exit

Example:

VG(config-line)# exit

Exits to global configuration mode.

Configuring the Voice Interface for Cisco Unified Communications Manager

To configure voice ports to a CUCM server and set various parameters, including IP address, port number, and version number, use the following commands.

Note The following steps are required only when the voice interface is configured manually and not through

SUMMARY STEPS

auto-configuration.

1. enable

2. configure terminal

3. stcapp ccm-group group-id

4. stcapp

5. stcapp feature access-code

6. stcapp feature speed-dial

7. voice-port slot-number/port

8. timeouts initial seconds

9. timeouts interdigit seconds

10. timeouts ringing seconds infinity

11. voice-port slot-number/port

12. ccm-manager fax protocol [protocol cisco]

13. ccm-manager config [server] ip-address name seconds

14. ccm-manager sccp local interface-type interface-number

15. ccm-manager sccp

16. sccp local interface-type interface-number port port-type

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17. sccp

18. sccp ccm group group-number

19. associate ccm identifier-number priority priority-number

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20. dial-peer voice tags pots

21. service stcapp

22. port port-number

23. exit

DETAILED STEPS

Command or Action Purpose

Step 1

enable

Example:

VG# enable

Step 2

configure terminal

Example:

VG# configure terminal

Step 3

stcapp ccm-group group-id

Chapter 4 Configuring Voice

Enters privileged EXEC mode.

Enters global configuration mode. You have entered global configuration mode when the prompt changes to

VG(config)#.

Configures the CUCM group number for use by the SCCP Telephony Control Application (STCAPP).

Step 4

Step 5

Step 6

Step 7

Step 8

Step 9

Example:

VG(config)# stcapp ccm-group 1

stcapp

Example:

VG(config)# stcapp

stcapp feature access-code

Example:

VG(config)# stcapp feature access-code

stcapp feature speed-dial

Example:

VG(config)# stcapp feature speed-dial

voice-port slot-number/port

Example:

VG(config)# voice-port 0/0

timeouts initial seconds

Example:

VG(config-voiceport)# timeouts initial 60

timeouts interdigit seconds

Enables STCAPP.

Enables STC application feature access codes and enters their configuration mode.

Enables STC application feature speed-dial codes and enters their configuration mode.

Enters voice-port configuration mode.

Configures the initial digit timeout value for a specified voice port.

Configures the interdigit timeout value for a specified voice port.

Example:

VG(config)# timeouts interdigit 60

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Command or Action Purpose

Step 10

timeouts ringing seconds infinity

Example:

VG(config)# timeouts ringing infinity

Step 11

voice-port slot-number/port

Example:

VG(config)# voice-port 0/1 VG(config)# voice-port 0/2 VG(config)# voice-port 0/3

Step 12

ccm-manager fax protocol [protocol cisco]

Example:

VG(config)# ccm-manager fax protocol cisco

Step 13

ccm-manager config [server] ip-address name

Example:

VG(config)# ccm-manager config server 9.13.38.245

Step 14

ccm-manager sccp local interface-type interface-number

Configuring the Voice Interface for Cisco Unified Communications Manager

Configures the timeout value for ringing.

Enters voice-port configuration mode.

Enables fax-relay protocol for endpoints on a gateway.

Specifies the TFTP server from which the voice gateway downloads CUCM XML configuration files and enables the download of the configuration.

Selects the local interface that the SCCP application uses to register with CUCM.

Step 15

Step 16

Step 17

Step 18

Step 19

Example:

VG(config)# ccm-manager sccp local fastethernet 0/0

ccm-manager sccp

Example:

VG(config)# ccm-manager sccp

sccp local interface-type interface-number port port-type

Example:

VG(config)# sccp local fastethernet 0/0

sccp

Example:

VG(config)# sccp

sccp ccm group group-number

Example:

VG(config)# sccp ccm group 1

associate ccm identifier-number priority priority-number

Enables CUCM auto-configuration of the Cisco IOS gateway.

Selects the local interface that SCCP applications (transcoding and conferencing) use to register with CUCM.

Enables SCCP protocol and its related applications (transcoding and conferencing).

Creates a CUCM group and enters SCCP CUCM configuration mode.

Associates a CUCM with a CUCM group and establishes its priority within the group.

Example:

VG(config)# associate ccm 1 priority 1

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Configuring the MAC Address Convention

Command or Action Purpose

Step 20

Step 21

Step 22

Step 23

dial-peer voice tag pots

Example:

VG(config)# dial-peer voice 999000 pots

service stcapp

Example:

VG(config)# service stcapp

port port-number

Example:

VG(config)# port 0/0 VG(config)# port 0/1 VG(config)# port 0/2

exit

Chapter 4 Configuring Voice

Defines a particular dial peer, to specify the method of voice encapsulation, and to enter dial-peer configuration mode. Tag defines a particular dial peer. The tag range is from 1 to 2147483647. The POTS peer uses VoIP encapsulation on the IP backbone.

Enables STC application feature service.

Configures the port number.

Exits to global configuration mode.

Example:

VG(config)# exit

Configuring the MAC Address Convention

The voice gateways use the MAC address of the SCC local interface to define unique MAC addresses for each voice port by using the last 9 digits of the SCCP local interface of the voice gateway.

For example, if the source interface MAC address is 000C.8639.5833, the MAC address of the voice port MAC address will be C863.9583.3XXX. In the preceding example, the last 9 digits of the SCCP of the local voice gateway become the first 9 digits of the voice port MAC address after dropping the leading

000.

The last 3 digits of the voice port MAC address is the slot number (3-bit) + subunit number (2-bit) + port number (7-bit) in hexadecimal format. You combine the digits to get the last three MAC address digits.

For example, the voice-port 0/0 is slot number 0 (000): subunit 0 (00) and port number 0 (0000000). By stringing the digits together, you get the following: 0000 0000 0000 = 0 0 0. This means that if the source interface MAC address is 001f.cac3.b3f8, the MAC address of voice port 0/0 will be 1FCAC3b3f8000.

Table 4-1 shows the voice port to MAC address conversion table.

Table 4-1 Voice Port to MAC Address Conversion Chart

Last Three Digits of the MAC

Port Number

0/0 000

0/1 001

0/2 002

0/3 003

Address

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Chapter 4 Configuring Voice

Configuring Calls

• Call Transfer, page 4-11

• Call Waiting, page 4-12

• Three-Party Conferencing, page 4-12

• Caller ID, page 4-12

Call Transfer

The voice gateways blind-call transfer functionality allows the transfer of a call from the party you call to a destination caller without and call commit from the original person called. For example, party A (transferee) calls party B (transferor). The transferor wants to transfer the call to party C (transfer-target) and uses hookflash (softkey transfer) to get a dial tone, and then dials party C’s number. When CUCM/CUCME gets party C’s number, it transfers the party A call to party C without the need of committment from party B.

The voice gateways consultation call transfer functionality allows happens after a call is established between a transferor and transferee. The transferor wants to transfer the call to a transfer target by using a softkey transfer by getting a dialtone then dialing the transfer-target’s phone number. When the call between the transferor and transfer-target is established, the transferor hangs up the phone to commit the transfer. The CUCM/CUCME connects the call between the transferee and the transfer-target.

Configuring Calls

SUMMARY STEPS

DETAILED STEPS

Command or Action Purpose

Step 1

Step 2

enable

Example:

VG# enable

configure terminal

Example:

VG# configure terminal

1. enable

2. configure terminal

3. dial-peer voice tags pots

4. service stcapp

5. port port-number

6. exit

Enters privileged EXEC mode.

Enters global configuration mode. You have entered global configuration mode when the prompt changes to

VG(config)#.

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Step 3

Step 4

Step 5

Step 6

Command or Action Purpose

dial-peer voice tag pots

Example:

VG(config)# dial-peer voice 1000 pots VG(config)# dial-peer voice 1001 pots VG(config)# dial-peer voice 1002 pots

service stcapp

Example:

VG(config)# service stcapp

port port-number

Example:

VG(config)# port 0/0 VG(config)# port 0/1 VG(config)# port 0/2

exit

Enables STC application feature service.

Configures the port number.

Exits to global configuration mode.

Chapter 4 Configuring Voice

Example:

VG(config)# exit

Call Waiting

If a calling party places a call to another party and the other party is engaged in a call, and the called party has call waiting, the party receiving the call can suspend the current telephone call and switch to the incoming call. For example, when caller A is engaged in a call with Caller B, a second call coming in to caller A from caller C will cause caller A to hear the call-waiting tone (one tone with 300ms duration), which indicates a second call. Caller A should be able to use the softkey transfer button to answer the waiting call and then use softkey transfer to switch between the two calls.

To configure call waiting on the voice gateways, use the same commands and configuration shown in

“Call Transfer” section on page 4-11.

Three-Party Conferencing

Three-party conferencing provides a three-way conversation between three call parties. The voice gateways along with CUCM support three-party conferencing using Cisco IOS software to perform G.711 (ITU-T standard for audio companding) software mixing for up to three Real-time Transport Protocol (RTP) streams

To configure three-party conferencing on the voice gateways, use the same commands and configuration shown in the “Call Transfer” section on page 4-11.

Caller ID

4-12

Caller ID transmits a caller's number to the called party's telephone during the ringing signal.

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Chapter 4 Configuring Voice

SUMMARY STEPS

DETAILED STEPS

Command or Action Purpose

Step 1

enable

Configuring Calls

1. enable

2. configure terminal

3. voice-port slot-number/port

4. caller-id enable [type [1|2]]

5. voice-port slot-number/port

6. caller-id enable [type [1|2]]

7. exit

Enters privileged EXEC mode.

Step 2

Step 3

Step 4

Step 5

Step 6

Step 7

Example:

VG# enable

configure terminal

Example:

VG# configure terminal

voice-port slot-number/port

Example:

VG(config)# voice-port 0/0

caller-id enable [type [1|2]]

Example:

VG(config-voice-port)# caller-id enable type 1

voice-port slot-number/port

Example:

VG(config)# voice-port 0/1

caller-id enable [type [1|2]]

Example:

VG(config-voice-port)# caller-id enable type 2

exit

Enters global configuration mode. You have entered global configuration mode when the prompt changes to

VG(config)#.

Enters voice-port configuration mode.

Allows the sending or receiving of caller ID information.

Enters voice-port configuration mode.

Allows the sending or receiving of caller ID information.

Exits to global configuration mode.

Example:

VG(config)# exit

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Configuring Calls

Chapter 4 Configuring Voice

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APPENDIX

Using the ROM Monitor

This appendix describes the ROM monitor (also called the bootstrap program), which is the firmware that runs when you power on or restart the Cisco VG202, Cisco VG202XM, Cisco VG204, or Cisco VG204XM voice gateway. During normal operation, the ROM monitor helps to initialize the processor hardware and boot the operating system software. You can also use the ROM monitor to help you isolate or rule out hardware problems that you encounter while installing your voice gateway.

• Entering the ROM Monitor Mode, page A-1

• About the ROM Monitor Commands, page A-2

• Using the Configuration Register, page A-5

• Using the Console Download Function, page A-6

• Using Debug Commands, page A-7

• Exiting the ROM Monitor Mode, page A-8

Entering the ROM Monitor Mode

To use the ROM monitor, you must be using a terminal or PC that is connected to the voice gateway over the console port.

Perform these steps to configure the voice gateway to boot up in ROM monitor mode the next time it is rebooted.

SUMMARY STEPS

1. enable

2. configure terminal

3. config-register value

4. exit

5. reload

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About the ROM Monitor Commands

DETAILED STEPS

Command or Action Purpose

Step 1

enable

Example:

VG# enable

Step 2

configure terminal

Example:

VG# configure terminal

Step 3

config-register value

Example:

VG(config)# config-register 0x2102

Step 4

exit

Appendix A Using the ROM Monitor

Enters privileged EXEC mode.

Enters global configuration mode.

Resets the configuration register settings.

Exits to global configuration mode.

Example:

VG(config)# exit

Step 5

reload

Example:

VG# reload

Timesaver Break (system interrupt) is always enabled for 60 seconds after the voice gateway reboots, regardless of

whether it is set to on or off in the configuration register. During this 60-second window, you can break to the ROM monitor prompt by pressing the Break key.

About the ROM Monitor Commands

• Listing the ROM Monitor Commands, page A-3

• Command Descriptions, page A-3

Reboots the voice gateway with the new configuration register value. The voice gateway remains in ROM monitor and does not boot the Cisco IOS software.

As long as the configuration value is 0x0, you must manually boot the operating system from the console. See the boot command in the “Command Descriptions” section in this appendix.

After the voice gateway reboots, it is in ROM monitor mode. The number in the prompt increments with each new line.

A-2

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Appendix A Using the ROM Monitor

Listing the ROM Monitor Commands

Enter ? or help at the ROM monitor prompt to display a list of available commands and options, as follows:

rommon 1 > ? alias set and display aliases command boot boot up an external process confreg configuration register utility cont continue executing a downloaded image context display the context of a loaded image cookie display contents of cookie PROM in hex dev List the device table dir List files in directories-dir <directory> dis display instruction stream frame print out a selected stack frame help monitor builtin command help history monitor command history iomemset Set IO memory percent meminfo main memory information repeat repeat a monitor command reset system reset rommon-pref Select ROMMON set display the monitor variables showmon Display currently selected ROM monitor stack produce a stack trace sync write monitor environment to NVRAM sysret print out info from last system return tftpdnld tftp image download unalias unset an alias unset unset a monitor variable xmodem x/ymodem image download rommon 1 >

About the ROM Monitor Commands

Commands are case sensitive. You can halt any command by pressing the Break key on a terminal. If you are using a PC, most terminal emulation programs halt a command when you press the Ctrl and the Break keys at the same time. If you are using another type of terminal emulator or terminal emulation software, see the documentation for that product for information on how to send a Break command.

Command Descriptions

Table A-1 describes the most commonly used ROM monitor commands.

Table A-1 Commonly Used ROM Monitor Commands

Command Description

help or ? Displays a summary of all available ROM monitor commands.

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Recovering Boot and System Images

Table A-1 Commonly Used ROM Monitor Commands (continued)

Command Description

-? Displays information about command syntax; for example:

reset or i Resets and initializes the voice gateway, similar to a power up.

dir device: Lists the files on the named device; for example:

Appendix A Using the ROM Monitor

rommon 16 > dis -? usage : dis [addr] [length]

The output for this command is slightly different for the xmodem download command:

rommon 11 > xmodem -? xmodem: illegal option -- ? usage: xmodem [-cyrxu] <destination filename>

-c CRC-16

-y ymodem-batch protocol

rommon 5 > dir flash: Directory of flash:

2 1343152 -rw- cVG204-advipservices-k9.mz rommon 6 >

meminfo Lists the main memory information; for example:

rommon 6 > meminfo:

Main memory size: 128 MB. Available main memory starts at 0x80018000 IO (packet) memory size: 5 percent of main memory NVRAM size: 128 KB

boot commands

For more information about the ROM monitor boot commands, see the Cisco IOS

Configuration Fundamentals and Network Management Guide.

b Boots the first image in flash memory.

b flash: [filename] Attempts to boot the image directly from the first partition of flash memory. If you

do not enter a filename, this command will boot this first image in flash memory.

Recovering Boot and System Images

If your voice gateway experiences difficulties and no longer contains a valid Cisco IOS software image in flash memory, you can recover the Cisco IOS image by using the xmodem ROM monitor command. Use this command if the computer attached to your console has a terminal emulator that has xmodem capability. The xmodem command establishes a connection between a console and the voice gateway console port for disaster recovery if both the boot and system images are erased from flash memory.

A-4

The syntax for the command is xmodem [filename]. The optional parameter argument filename specifies the source file containing the Cisco IOS image. Other options include the following:

• -c—Use cyclic redundancy check (CRC-16).

• -y—Use Ymodem transfer protocol.

Note The Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways only

support the -c and -y options.

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Appendix A Using the ROM Monitor

Using the Configuration Register

• About Changing the Configuration Register, page A-5

• Changing the Configuration Register Manually, page A-5

• Changing the Configuration Register Using Prompts, page A-5

About Changing the Configuration Register

The virtual configuration register is in nonvolatile RAM (NVRAM) and has the same functionality as other Cisco voice gateways. You can view or modify the virtual configuration register from either the ROM monitor or the operating system software. Within the ROM monitor, you can change the configuration register by entering the register value in hexadecimal format, or by allowing the ROM monitor to prompt you for the setting of each bit.

Changing the Configuration Register Manually

Using the Configuration Register

To change the virtual configuration register from the ROM monitor manually, enter the confreg command followed by the new value of the register in hexadecimal format, as shown in the following example:

rommon 1 > confreg 0x2101

You must reset or power cycle for new config to take effect rommon 2 >

The value is always interpreted as hexadecimal. The new virtual configuration register value is written into NVRAM but does not take effect until you reset or reboot the voice gateway.

Changing the Configuration Register Using Prompts

Entering the confreg command without an argument displays the contents of the virtual configuration register and a prompt to alter the contents by describing the meaning of each bit.

In either case, the new virtual configuration register value is written into NVRAM but does not take effect until you reset or reboot the voice gateway.

The following display shows an example of entering the confreg command:

rommon 7> confreg

Configuration Summary enabled are: console baud: 9600 boot: the ROM Monitor

do you wish to change the configuration? y/n [n]: y enable “diagnostic mode”? y/n [n]: y enable “use net in IP bcast address”? y/n [n]: enable “load rom after netboot fails”? y/n [n]: enable “use all zero broadcast”? y/n [n]: enable “break/abort has effect”? y/n [n]: enable “ignore system config info”? y/n [n]: change console baud rate? y/n [n]: y enter rate: 0 = 9600, 1 = 4800, 2 = 1200, 3 = 2400 [0]: 0

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Using the Console Download Function

change the boot characteristics? y/n [n]: y enter to boot: 0 = ROM Monitor 1 = the boot helper image 2-15 = boot system [0]: 0

Configuration Summary enabled are: diagnostic mode console baud: 9600 boot: the ROM Monitor

do you wish to change the configuration? y/n [n]:

You must reset or power cycle for new config to take effect

Using the Console Download Function

• About the Console Download Function, page A-6

• Command Description, page A-6

Appendix A Using the ROM Monitor

• Error Reporting, page A-7

About the Console Download Function

You can use console download, which is a ROM monitor function, to download either a software image or a configuration file over the voice gateway console port. After download, the file is either saved to the mini-flash memory module or to main memory for execution (image files only).

Use the console download function when you do not have access to a TFTP server.

Note If you want to download a software image or a configuration file to the voice gateway over the console

port, you must use the ROM monitor dnld command.

Note If you are using a PC to download a Cisco IOS image over the voice gateway console port at

115,200 bps, ensure that the PC serial port is using a 16550 universal asynchronous transmitter/receiver (UART). If the PC serial port is not using a 16550 UART, we recommend using a speed of 38,400 bps or less when downloading a Cisco IOS image over the console port.

Command Description

A-6

The syntax for the xmodem console download command is xmodem [-c-y] destination_file_name.

• -c—Optional. Performs the download using 16-bit cyclic redundancy check (CRC-16) error

checking to validate packets. Default is 8-bit CRC.

• -y—Optional. Sets the voice gateway to perform the download using Ymodem protocol. The default

is Xmodem protocol. The protocols differ as follows:

–

Xmodem supports a 128-block transfer size. Ymodem supports a 1024-block transfer size.

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Appendix A Using the ROM Monitor

• destination_file_name—Name of the system image file or the system configuration file. In order for

Follow these steps to run the xmodem console download command.

Procedure

Step 1 Move the image file to the local drive where Xmodem will execute.

Step 2 Enter the xmodem command.

Error Reporting

Because the ROM monitor console download uses the console to perform the data transfer, when an error occurs during a data transfer, the system only displays the error messages on the console after the data transfer terminates.

If you changed the baud rate from the default rate, the error message is followed by a message telling you to restore the terminal to the baud rate specified in the configuration register.

Using Debug Commands

–

Ymodem uses CRC-16 error checking to validate each packet. Depending on the device that the software is being downloaded from, this function might not be supported by Xmodem

the voice gateway to recognize it, the name of the configuration file must be voice gateway_confg.

Using Debug Commands

Most ROM monitor debugging commands are functional only when the Cisco IOS software has crashed or stops. If you enter a debugging command and the Cisco IOS crash information is not available, the system displays the following error message:

"xxx: kernel context state is invalid, can not proceed."

The following are the ROM monitor debugging commands:

• stack or k—Produces a stack trace; for example:

rommon 6> stack Stack trace: PC = 0x801111b0 Frame 00: FP = 0x80005ea8 PC = 0x801111b0 Frame 01: FP = 0x80005eb4 PC = 0x80113694 Frame 02: FP = 0x80005f74 PC = 0x8010eb44 Frame 03: FP = 0x80005f9c PC = 0x80008118 Frame 04: FP = 0x80005fac PC = 0x80008064 Frame 05: FP = 0x80005fc4 PC = 0xfff03d70

• context—Displays processor context; for example:

rommon 7> context CPU context of the most recent exception: PC = 0x801111b0 MSR = 0x00009032 CR = 0x53000035 LR = 0x80113694 CTR = 0x801065e4 XER = 0xa0006d36 DAR = 0xffffffff DSISR = 0xffffffff DEC = 0xffffffff TBU = 0xffffffff TBL = 0xffffffff IMMR = 0xffffffff R0 = 0x00000000 R1 = 0x80005ea8 R2 = 0xffffffff R3 = 0x00000000 R4 = 0x8fab0d76 R5 = 0x80657d00 R6 = 0x80570000 R7 = 0x80570000 R8 = 0x00000000 R9 = 0x80570000 R10 = 0x0000954c R11 = 0x00000000 R12 = 0x00000080 R13 = 0xffffffff R14 = 0xffffffff R15 = 0xffffffff

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Exiting the ROM Monitor Mode

R16 = 0xffffffff R17 = 0xffffffff R18 = 0xffffffff R19 = 0xffffffff R20 = 0xffffffff R21 = 0xffffffff R22 = 0xffffffff R23 = 0xffffffff R24 = 0xffffffff R25 = 0xffffffff R26 = 0xffffffff R27 = 0xffffffff R28 = 0xffffffff R29 = 0xffffffff R30 = 0xffffffff R31 = 0xffffffff

• frame—Displays an individual stack frame.

• sysret—Displays return information from the last booted system image. This information includes

the reason for terminating the image, a stack dump of up to eight frames, and, if an exception is involved, the address where the exception occurred; for example:

rommon 8> sysret System Return Info: count: 19, reason: user break pc:0x801111b0, error address: 0x801111b0 Stack Trace: FP: 0x80005ea8, PC: 0x801111b0 FP: 0x80005eb4, PC: 0x80113694 FP: 0x80005f74, PC: 0x8010eb44 FP: 0x80005f9c, PC: 0x80008118 FP: 0x80005fac, PC: 0x80008064 FP: 0x80005fc4, PC: 0xfff03d70 FP: 0x80005ffc, PC: 0x00000000 FP: 0x00000000, PC: 0x00000000

Appendix A Using the ROM Monitor

• meminfo—Displays size in bytes, starting address, available range of main memory, the starting

point and size of packet memory, and size of NVRAM; for example:

rommon 9> meminfo Main memory size: 128 MB. Available main memory starts at 0x10000, size 40896KB IO (packet) memory size: 5 percent of main memory.

Exiting the ROM Monitor Mode

You must set the configuration register to a value from 0x2 to 0xF for the voice gateway to boot a Cisco IOS image from flash memory upon startup or reloading.

The following example shows how to reset the configuration register and cause the voice gateway to boot a Cisco IOS image stored in flash memory:

rommon 1 > confreg 0x2101

You must reset or power cycle for a new configuration to take effect:

rommon 2 > boot

The voice gateway boots the Cisco IOS image in flash memory. The configuration register changes to 0x2101 the next time that you reset or power cycle the voice gateway.

A-8

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INDEX

Symbols

-? command A-4

? command A-3

Analog FXS user interfaces with Metro Ethernet interface

1-2

b command A-4

b flash command A-4

boot commands A-4

Cisco IOS 1-4, 1-5

commands

A-4

b A-4

b flash A-4

boot A-4

confreg A-5

context A-7

dir device A-4

frame A-8

help A-3

i A-4

k A-7

meminfo A-8

reset A-4

ROM monitor A-3

ROM monitor debugging A-7, A-8

ROM monitor diagnostics A-1

setup 2-2

show config 3-2

stack A-7

sysret A-8

xmodem A-4, A-6

common command modes 1-4

configuration

completing

Voice over IP 4-1

configuration register

changing from ROM monitor

confreg command A-5

console download A-6 to A-7

context command A-7

controls, descriptions of 1-1, 1-2

2-5

A-5

debug commands, ROM monitor A-7, A-8

dir device command A-4

documentation iii-vii

error reporting, ROM monitor A-7

figures

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Index

Analog FXS User Interfaces with Metro Ethernet Interface

frame command A-8

1-2

global configuration command mode 1-5

help command A-3

host name 3-1, 3-2

i command A-4

interface configuration command mode 1-5

entering A-1

exiting A-8

setup command 2-2

show config command 3-2

stack command A-7

sysret command A-8

tables

Common Command Modes

TFTP download