Cisco 7912G, 7905G User Manual

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Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)

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Text Part Number: OL-4277-01

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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 com pliance of Class B devices: T he equipm ent described in this manual gener ates and may radi ate radio-frequency energy. If it is not installed in accordance with Cisco’ s installation instructions, it may cause interference with radio an d 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 instal lation. However, there is no guarantee that interference will not occur in a particular installation.

Modifying the equipmen t without Cisco’s written authorization may resul t i n the equipment no longer complying with FCC requirements for Cla ss A or Class B digital devices. In that event, your ri ght to use the equi pment ma y be lim ited by FC C regul atio ns, and you m ay be required to correct any interference to radio or television com municat ions at yo ur own expen se.

You can determine whether your equipment is causing interference by turning it off. If the interferen ce 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 meas ures:

• Turn the television or radio antenna unt il the int erference st ops.

• Move the equipment to one side or the other of the televisio n or radi o.

• Move the equipment farther away from the te levision or radio.

• Plug the equip me nt into an outlet tha t 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 br eakers or fus es.)

Modifications to this product no t author ized by Cis co Syst ems, Inc. coul d voi d the FCC appro val and ne gate your authorit y to op erate the pr oduct. The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of Cal ifo rn ia, Be rk el ey (UCB) as

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All other trademarks mentioned in this document or Web site are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cis co and any oth er company . (0304 R)

Cisco IP Phone Models 7905G and 7912G Adm inistrato r Guide (SIP)

Preface xi

Overview xi Audience xi Organization xii Related Documentation xiii Obtaining Documentation xiii

World Wide Web xiii Documentation CD-ROM xiii Ordering Documentation xiv Documentation Feedback xiv

Obtaining Technical Assistance xiv

Cisco Connection Online xv Technical Assistance Center xv

CHAPTER

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Obtaining Additional Publicati ons and Information xvi Document Conventions xvii

1 Overview of the CiscoIP Phone Models 7905G and 7912G 1-1

Hardware Overview 1-1 Software Features 1-4

Protocols 1-4 Basic Services 1-5 Supplemental Services 1-5 SIP-Specific Services 1-6

Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)

Contents

SIP Overview 1-7

SIP Functions 1-7 SIP Components 1-8

CHAPTER

2 Installing the Cisco IP Phone Models 7905G and 7912G 2-1

Prerequisites 2-1 Safety 2-2 Connecting to the Network 2-4 Providing Power to the Cisco IP Phone 2-5

Power Source Design 2-5 Redundancy Feature 2-6

Installing the CiscoIP PhoneModels 7905G and 7912G 2-6

Physical Installation of the CiscoIPPhone Models 7905G and 7912G 2-7 Mounting the Phone to the Wall 2-12 Basic Configuration of the CiscoIP Phone Models 7905G and 79 12G 2-13

Verifying Installation 2-15

3 Configuring the CiscoIP Phone Models 7905G and 7912G for SIP 3-1

Overview of Configuration Methods 3-1 Default Boot Load Be havior 3-2 Specifying a Prec onfigured VLAN ID or Disabling VLAN IP Encapsulation 3-4

Basic Configuration Steps in a TFTP Server Environment 3-6 Minimum Configuration Settings for the CiscoIPPhone Models 7905G and

7912G

3-9

Making Settings with a DHCP Server 3-9 Making Settings Manually 3-10

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Contents

CHAPTER

4 Basic and Additional SIP Servi ces 4-1

Important Basic SIP Services 4-2

Required Paramete rs 4-2 Establishing Authentication 4-4 Configuring Refresh Interval 4-4

Additional SIP Services 4-4

Setting Up and Placing a Call Without Using a SIP Proxy 4-10

Complete Reference of all Cisco IP Phone SIP Services 4-12

5 Configuring the Cisco IP Phone Models 7905G and 7912G Using the Phone

Menus

5-1

Configuratio n Menus on the CiscoIP Phone 5-2

Displaying a Conf iguration Menu 5-3 Unlocking and Locking Configuration Parameters 5-4

Editing Paramet er Values 5-5 Network Configuration Menu 5-6 SIP Configuration Menu 5-14 Model Information Menu 5-17

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Status Menu 5-18

6 Configuring the Cisco IP Phone Models 7905G and 7912G Using a TFTP

Server

6-1

Using Profiles with TFTP Configuration 6-2 Setting Up the TFTP Server with Cisco IP Phone Software 6-4 Configuring the CiscoIP Phone to Obtain its Configuration File from the TFTP

Server

6-5

Using a DHCP Server 6-5

Without Using a DHCP Server 6-8

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Contents

Creating or Updating a Profile 6-9

Profile Conventions 6-10

Creating a Phone-Specific Profile 6-11

Creating a Default Profile 6-13 Using Encryption 6-15 Refreshing or Resetting the CiscoIP Phone 6-17

Refreshing the Cisco IP Phone 6-17

Resetting the Cisco IP Phone 6-17

CHAPTER

7 Configuring the CiscoIP Phone Models7905G and 7912G Using Web

Pages

7-1

Accessing a Phone’s Web Page 7-2 Viewing Statis tical and Operational Informati on 7-4

Device Information 7-4

Network Configura tion 7-5

Network Statistics 7-6

8 Profile and Web Page Parameters and Defaults 8-1

Network Parameters 8-2 SIP Parameters 8-9 Call Preference Parameters 8-13 Tone Paramete rs 8-21 Audio Parameters 8-24 Profile Param e te rs 8-26 Parameter Det ails 8-27

BusyTone, CallWait Tone, DialTone, DialTone2, and Ri ngBackTone Parame ter

Details

8-28

ReorderTone Para meter Details 8-30

ConnectMode Detail 8-36

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DialPlan Parameter Detail 8-38

Upgradecode Parameter Detail 8-41

Upgradelogo Parameter Detail 8-43

Contents

CHAPTER

APPENDIX

9 Troubleshooting the Cisco IP Phone Models 7905G and 7912G 9-1

General Troubleshooting Tips 9-1 Resolving Probl ems 9-2 Contacting TAC 9-5 Debugging 9-5

A Additional End User Features on the CiscoIP PhoneModels 7905G and

7912G

A-1

Call Preferences Menu A-1 Softkeys A-6 Other Features A-7

B Phone Menu, Web Page, and Profile Equivalent Parameters B-1

C SIP Call Flows C-1

Supported SI P Request Meth od s C-1 Call Flow Scenarios for Successful Calls C-2

CiscoIP Phone-to-SIP Server—Registration without Authentication C-2

CiscoIP Phone-to-SIP Server—Registration with Authentication C-4

CiscoIP Phone-to-Cisco IP Phone—Basic SIP to SI P Call without

Authentication

C-7

CiscoIP Phone-to-Cisco IP Phone—Basic SIP to SI P Call with

Authentication

C-15

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Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)

Contents

APPENDIX

LOSSARY

NDEX

D Specifications for the Cisco IP Phone Models 7905G and 7912G D-1

Physical Specifications D-2 Electrical Specifications D-2 Environmental Specifications D-3 Physical Inte rf ac es D-3 Software Specifications D-3

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Overview

Preface

Cisco IP Phone Mode ls 79 05G and 79 12G Adm inist rator G uide ( SIP ) desc ribes how to install and configure the Cisco IP Phone models 7905G and 7912G for use on a Session Initiation protocol (SIP) network. It includes configuration steps for network parameters, sta ndard se rvice s, an d s upple ment al serv ice s.

This guide does not cover information that is related to the implementation of a SIP Voice over IP (VoIP) network.

Audience

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This guide is i nte nd ed fo r ser vice provi der s and ne twor k adm ini stra tors w ho administer V oIP services using the Cisco IP Phone models 7905G and 7912G and who have a fundamental understand ing of SIP. The tasks described in this guide are not intended for end users of the p hones. Man y of these tasks af fect th e ability of a phone to function on the network and requir e an understa nding of IP networking and tel ephony c once pts.

Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)

Organization

This manual i s organiz ed as fol lows:

Preface

Chapter 1, “Overview of the Cisco IP Phone Models 7905G an d 7912G”

Chapter 2 , “Installing the Cisco IP Phone Models 7905G and 79 12G ”

Chapter 3, “Configurin g the Cisco IP Phone Models 7905G an d 7912G for SIP”

Chapter 4, “Basic and Additional SIP Services” Prov ides info rmation ab out basic and additio nal SIP

Chapter 5, “Configuring the Cisc o IP Phone Models 7905G a nd 7912G Usin g th e Phon e Menus”

Chapter 6, “Configuring the Cisc o IP Phone Models 7905G and 79 12G Usin g a TFT P Server”

Chapter 7, “Configurin g the Cisco IP Phone Models 7905G and 7912 G Using Web Pages”

Chapter 8, “Profile and Web Page Parameters and Defaults”

Chapter 9, “Troubleshoo ting th e Cisco IP Phone Models 7905G and 7912 G”

Appendix A, “Additional End User Features on the Cisco IP Phone Models 7905G and 791 2G”

Appendix B, “Phone Menu , Web Page, and Profile Equivalent Parameters”

Appendix C, “SIP Call Fl ows” Describes some basic call flows for the p hone

Describes the hardware and software features of the phone and provid es a b rief overview of SIP

Provides procedures for i nstalling t he phone at an end user location

Provides an overview of how to configure the phone to operate with the SIP signa ling ima ge

services that the ph one suppo rts Explains how to use me nus on t he p hon e to

configure or view a variety of n etwork, SI P, and phone settings

Explains how to configure a phone using a Trivial File Transfer Protocol (TFTP) server

Describes how to use a p hon e’s web page to configure parameters a nd obta in in for mat ion

Describes the para met ers t hat y ou ca n use t o configure a phone t hrough a p rofile or thr oug h a phone’s web page

Provides guidance fo r di ag nosin g and c orre cting installation and configuration errors

Describes end-user features that are not explained in the User Guide for the phone

Lists the configurable options on the phone menus and their equivalent parameters in t he phone configuration web page s and p rofile

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Preface

Related Docu m e ntation

Appendix D, “Specifications for the Cisco IP Phone Models 7905G and 7912 G”

Glossary Explains terms that may be new to you

Provides physical, elec trical , environmental, and software specifications for the phone

Obtaining Documentation

World Wide Web

You can access the most current Cisco documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.

Documentation CD-ROM

Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM is updated monthly. Therefore, it is probably more current than printed documentation. The CD-ROM package is available as a single unit or as an annual subscription.

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Obtaining Technical Assistance

Ordering Documentation

Registered CCO users can order the Docume ntation CD-ROM and other Cisco Product documenta tion t hroug h our on line Subscri ptio n Se rvi ces a t http://www.cisco.com/cgi-bin/subcat/kaojump.cgi.

Nonregistered CCO u ser s ca n o rder do cum ent ation t hroug h a loca l a cco unt representative by calling Cisco’s corporate head qua rte rs (Cali forni a, U SA ) at 408 526-4000 or, in North Am er ica , ca ll 8 00 553-N ET S (6387).

Documentation Feedback

If you are reading Cisco product documentation on the W orld W ide Web, you can submit technical comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco.

You can e- mail yo ur comm ents to bug-do c@cisco. com. T o submit your comments by mail, for your convenience many documents contain

a response card behind the front cover. Otherwise, you can mail your c omment s to the following address:

Preface

Cisco Systems, Inc. Document Resource Connect ion 170 West Tasman Dr ive San Jose, CA 95134- 988 3

We appreciate and valu e your co mmen ts.

Obtaining Technical Assistanc e

Cisco provides Cisco Conne ct ion Onlin e (CC O) a s a star ting poi nt f or a ll technical assistance. Warranty or maintenance contract customers can use the Technical Assistance Center. All customers can submit technical feedback on Cisco documentation using the web, e-mail , a self-addr essed stamped respo nse card included in many printed doc s, or by sending mail to Cisco.

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Preface

Cisco Connection Online

Cisco continues to revolutionize how business is done on the Internet. Cisco Connection Online is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information and resources at anytime, from anywhere in th e world. This highly integrated Internet applicat ion is a powerful, easy-to-use t oo l fo r doi ng business wit h Ci sco.

CCO’s broad range of features and services helps cu stomers and partners to streamline business processes and improve productivity. Through CCO, you will find information about C isco a nd our n etworki ng solu tion s, se rvic es, a nd programs. In addition, you can resol ve technica l issues with online supp ort services, download and test software packages, and order Cisco learning materials and merchandise. Valuable online skill assessment, training, and certification programs are also available.

Customers and partners can self-register on CCO to obtain additional personalized inform ation and services. Registere d users may ord er produc ts, check on the st at us o f an or de r an d v iew ben efits sp eci fic to t hei r relat ionsh i ps with Cisco.

You can ac cess CCO in the foll owing ways:

Obtaining Technical Assistance

• WWW: ww w.cisco.com

• Telnet: cco.cisco.com

• Modem using standard c onn ect ion ra tes and the fo llowing ter mina l sett ings:

VT100 emulation; 8 data bits; no parity; and 1 sto p bit.

–

From North Amer ica, c all 4 08 526 -80 70

–

From Europe, call 3 3 1 64 46 40 82

You can e- mail qu estion s about using CCO to cco- team@ cisco. com.

Technical Assistance Center

The Cisco Technical Assistanc e Center (TAC) is available to warranty or maintenance co ntra ct cus tomers who need tech nical assist ance with a Ci sco product that is under warrant y or covered by a maint enance cont ract.

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Obtaining Additional Publications and Information

To display the TAC web site that includes links to technical support information and software upgr ad es an d for r eques ting TAC support, use www.cisco.com/techsupport.

To contact by e-mail, use one of the following:

Language E-mail Addres s

English tac@cisco.com Hanzi (Chinese) chinese-tac@cisco.com Kanji (Japanese) japan-tac@cisco.com Hangul (Korean) korea-tac@cisco.com Spanish tac@cisco.com Thai thai-tac@cisco.com

In North America, TAC can be reached at 800 553-2447 or 408 526- 7209. For other telephone number s and TAC e- mail addresses world wide, consult the following web site: http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml.

Preface

Obtaining Additional Publications and Information

Information about C isco pr odu cts, te chnol og ies, a nd network solu tio ns is available from various online and printed sources.

• The Cisco Product Catalog describe s the ne tworking p roduc ts offere d by

Cisco Systems, as well as ordering and customer support services. Access the Cisco Product Catalog at this URL:

http://www.cisco.com/en/US/products/products_catalog_links_launch.html

• Cisco Press publishes a wi de r ange of n etworki ng pu bli cati ons. Cisc o

suggests these titles for new and experien ced use rs: Internetwork ing Terms and Acronyms Dictionary, Internetworking Technology Handbook, Internetworking Troubleshooting Guide, and the Internetworking Design Guide. For current Cisco Press titles and other information, go to Cisco Press

online at this URL:

http://www.ciscopress.com

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Preface

Document Conventions

• Packet magazine is the Cisco quarterly publication that provides the latest

networking trends, t echn ology br eakt hr oughs, and Ci sco p rod ucts and solutions to help industry professionals get the most from their networking investment. Included are networking deployment and trouble shootin g tips, configuration examples, cu stomer case stu dies, tuto rials and tra ining, certification information, and links to numerous in-depth online resources. You can ac cess Packet magazine at th is U RL:

http://www.cisco.com/go/packet

• iQ Magazine is the Cisco bimonthl y publica tion that de livers the latest

information about Internet business strategies for executives. You can access iQ Magazine at this URL:

http://www.cisco.com/go/iqmagazine

• Internet Protocol Journal is a quarterly jour nal publis hed by Cisco Systems

for engineering p rofe ssiona ls i nvolved in designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journa l at this UR L:

http://www.cisco.com/en/US/about/ac123/ac147/about_cisco_the_internet_ protocol_journal.htm l

• Training—Cisco offers world-class networking training. Current offerings in

network training are listed at this URL:

http://www.cisco.com/en/US/learning/le31/learning_recommended_training _list.html

Document Conventions

This docume nt u s es the f ol lowing conventions:

Convention Description

boldface font Commands and keywords a re in boldface.

italic font Arguments for which you supply values are in itali c s . [ ] Elements in square brackets are optional. { x | y | z } Alternative keywords are grouped in braces and separat ed by vertical bars .

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Preface

Document Conventions

Convention Description

[ x | y | z ] Optional alterna tive keywords are grouped in bra ckets and sep arated by

vertical bars.

string A nonquoted set of characters. Do not use quotation marks around the string

or the string will include the quotati on 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 s creen font . ^ The symbol ^ r e pres ent s the key labe led Cont rol— fo r examp le, th e key

combination ^D in a screen di splay means ho ld down the Control k e y 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 pub lication .

xviii

Caution Means rea der be careful. In this situation, you might do something that could

result in equipment damage or l oss of data.

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Preface

Document Conventions

Warnings use the following conventions:

Warning

Waarschuwing

Varoitus

IMPORTANT SAFETY INSTRUCTIONS This warning symbol 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. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device.

Statement 1071

SAVE THESE INSTRUCTIONS

BELANGRIJKE VEILIGHEIDSINSTRUCTIES Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die

lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaard praktijken om ongelukken te voorkomen. Gebruik het nummer van de verklaring onderaan de waarschuwing als u een vertaling van de waarschuwing die bij het apparaat wordt geleverd, wilt raadplegen.

BEWAAR DEZE INSTRUCTIES

TÄRKEITÄ TURVALLISUUSOHJEITA Tämä varoitusmerkki merkitsee vaaraa. Tilanne voi aiheuttaa ruumiillisia

vammoja. Ennen kuin käsittelet laitteistoa, huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustu onnettomuuksien yleisiin ehkäisytapoihin. Turvallisuusvaroitusten käännökset löytyvät laitteen mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien lausuntonumeroiden avulla.

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SÄILYTÄ NÄMÄ OHJEET

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Document Conventions

Preface

Attention

Warnung

Avvertenza

IMPORTANTES INFORMATIONS DE SÉCU RI TÉ Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une

situation pouvant entraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient des dangers liés aux circuits électriques et familiarisez-vous avec les procédures couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions des avertissements figurant dans les consignes de sécurité traduites qui accompagnent cet appareil, référez-vous au numéro de l'instruction situé à la fin de chaque avertissement.

CONSERVEZ CES INFORMATIONS

WICHTIGE SICHE RHEIT SHINWEI SE Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die

zu Verletzungen führen kann. Machen Sie sich vor der Arbeit mit Geräten mit den Gefahren elektrischer Schaltungen und den üblichen Verfahren zur Vorbeugung vor Unfällen vertraut. Suchen Sie m it der am Ende jeder Warnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten Sicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden.

BEWAHREN SIE DIESE HINWEISE GUT AUF.

IMPORTANTI ISTRUZIONI SULLA SICUREZZA

Questo simbolo di avvertenza indica un pericolo. L a situazione potrebbe causare infortuni alle persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti. Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare le traduzioni delle avvertenze riportate in questo documento.

CONSERVARE QUESTE ISTRUZIONI

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Preface

Document Conventions

Advarsel

Aviso

¡Advertencia!

VIKTIGE SIKKERHETSINSTRUKSJONER Dette advarselssymbolet betyr fare. Du er i en situasjon som kan føre til skade

på person. Før du begynner å arbeide med noe av utstyret, må du være oppmerksom på farene forbundet med elektriske kretser, og kjenne til standardprosedyrer for å forhindre ulykker. Bruk nummeret i slutten av hver advarsel for å finne oversettelsen i de oversatte sikkerhetsadvarslene som fulgte med denne enheten.

TA VARE PÅ DISSE INSTR UKSJ ONENE

INSTRUÇÕES IMPORTANTES DE SEGURANÇA Este símbolo de aviso significa perigo. Você está em uma situação que poderá

ser causadora de lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha conhecimento dos perigos envolvidos no manuseio de circuitos elétricos e familiarize-se com as práticas habituais de prevenção de acidentes. Utilize o número da instrução fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham este dispositivo.

GUARDE ESTAS INSTRUÇÕES

INSTRUCCIONES IMPORTANTES DE SEGURIDAD Este símbolo de aviso indica peligro. Existe riesgo para su integridad física.

Antes de manipular cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los procedimientos estándar de prevención de accidentes. Al final de cada advertencia encontrará el número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña a este dispositivo.

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GUARDE ESTAS INSTRUCCIONES

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Document Conventions

Preface

Varning!

VIKTIGA SÄKERHETSANVISNINGAR Denna varningssignal signalerar fara. Du befinner dig i en situation som kan

leda till personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanliga förfaranden för att förebygga olyckor. Använd det nummer som finns i slutet av varje varning för att hitta dess översättning i de översatta säkerhetsvarningar som medföljer denna anordning.

SPARA DESSA ANVISNINGAR

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Preface

Document Conventions

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Document Conventions

Preface

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CHAPTER

Overview of the Cisco IP Phone Models 7905G and 7912G

This chapter describ es the hard ware an d software featur es of the Cisco IP Phone models 7905G and 7912G and pr ovides a brief overview of the Session Initiation Protocol (SIP).

This chapter includes the following sections:

• Hardware Overview, page 1 -1

• Software Features, pa ge 1-4

• SIP Overview, page 1-7

Hardware Overview

The Cisco IP Phone models 7905G and 791 2G are cost- effective, entry-level, single-line telephone s that ope rat e on I P-ba se d tel ephony ne twor ks. They c an function as desk units or be mounted on a wall. The phones are easily installed by end-users.

Figure 1-1 shows the main components of the Cisco IP Phone models 7905G and

7912G.

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1-1

Hardware Overview

Chapter 1 Overview of the CiscoIP Phone Models 7905G and 7912G

Figure 1-1 Cisco IP Phone Models 7905G and 7912G Features

1-2

1 LCD screen Displays features su ch as the tim e, date, you r phone

number, caller ID, call status, and softkey tabs.

2 Cisco IP Phon e

series type

Indicates the Cisco IP Phone ser ies to which th e phone belongs.

3 Softkeys Enable you to e ngage any of the func ti ons di spla yed o n

the correspondin g LCD scr een tabs . Softkeys point to feature options displayed along the bo ttom of the LCD screen. Softkey functions change depending on the status of your phone (for exampl e, if the phon e is ac tive or idle).

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Chapter 1 Overview of the Ci sco IP Phone Models 7905G and 7912G

Hardware Overview

4 Navigation

button

Enables you to scroll through text and select features displayed on the LCD screen. Also provides access to speed dial numbers when there are no text or features to scroll through.

5 Menu button Provides access to phone services and setti ngs such as

messages, direct ori es, con tr ast, r ing soun d, net work configuration, and status information.

6 Hold button Puts a current call on hold or ta kes a cal l off hold.

7 Dial pad Works exactly like the di al pad on a tra dition al

telephone.

8 Volume button Increases or decreases volume for the handset and

speaker. Also controls the rin ge r volum e (i f o n-h ook) .

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9 Handset Functions like a traditional handse t. The light strip at the

top of the ha nds et b l inks wh en the p hone ri ngs a nd remains lit to indicate a new voice mail message (depending on y our m essag e syste m).

10 Footstand Allows the phone to stand at a convenient angle on a desk

or table.

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Software Features

The Cisco IP Phone models 7905 G and 791 2G su ppo rt t he f oll owing software features:

• Protocols, page 1-4

• Basic Services, page 1-5

• Supplemental Services , pa ge 1-5

• SIP-Specific Services, page 1-6

Protocols

The Cisco IP Phone models 7905 G and 791 2G su ppo rt t he f ollowing pr ot ocols:

• Domain Name S yste m (DNS )

• Dynamic Host Configuration Protocol (DHCP)

• Internet Control Message Protocol (ICMP)

• Internet Protocol (IP)

Chapter 1 Overview of the CiscoIP Phone Models 7905G and 7912G

1-4

• Network Time Protocol (NTP)

• Real-Time Transport Protocol (RTP)

• Session Initiation Protocol (SIP)

• Transmission Control Protocol (TCP)

• Trivial File Transfer Protocol (TFTP)

• User Datagram Pr ot ocol (U DP )

Related Topics

• Basic Services, page 1-5

• Supplemental Services , pa ge 1-5

• SIP-Specific Services, page 1-6

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Chapter 1 Overview of the Ci sco IP Phone Models 7905G and 7912G

Basic Services

The Cisco IP Phone models 7905G and 791 2G provide the fo llowing basic services:

• Configuration using LCD screen menus, TF TP server, or web browser

• IP address assignment—DHCP or manual static IP address

• Configurable Type of Service (ToS) bit for Quality of Service (QoS)

• Configurable tone (busy tone, call waiting tone , dial tone , seco ndary dial

tone, reorder tone, ringb ack t one)

• Dial plan support

• Remote reset suppo rt

• G.711 u-law, G.711 A-law, and G.729A supp ort

• Voice-ac tivity-d et ecti on (VAD) and comfort-noise-ge ner ation ( CN G )

support for G.711 u-l aw and G.7 11 A-l aw, and support for G .729 A nnex B

• Dynamic jitter buffer for voice packets

Software Fea t ures

Related Topics

• Protocols, page 1-4

• Supplemental Services , pa ge 1-5

• SIP-Specific Services, page 1-6

Supplemental Services

The Cisco IP Phone models 7905 G and 791 2G su ppo rt t he f oll owing supplemental services:

• Call waiting

• Calling line ID presentation/rejection (CLIP/CLIR)

• Three-way calling

• Conferencing bridge—up to three parties

• Call hold

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Software Features

• Call transfer—attended and unattended

• Message-waiting indicator

Related Topics

• Protocols, page 1-4

• Basic Services, page 1-5

• SIP-Specific Services, page 1-6

SIP-Specific Services

The Cisco IP Phone models 7905G and 7912G support the following SIP-specific services:

• Direct IP dial ing in a dd ition t o pr oxy -ro uted c a lls.

• Configurable periodic registration with a SIP proxy server.

• Authentication support for all SIP methods.

• Configurable NAT supp ort.

Chapter 1 Overview of the CiscoIP Phone Models 7905G and 7912G

1-6

• Configurable outbound proxy supp ort.

• Local support for call return (or call back), call forwarding, and call transfer.

• FQDN for SIP proxy and ou tboun d pro xy.

• Uses the same configurable MediaPort to transmit and receive RTP audio.

• Out-of-Band DTMF vi a RFC2 833 ( also known as AVT tones).

• UDP for SIP signaling.

• Message-waiting indication (MWI) provided via the telephone-handset LED

lamp.

• Distinctive ringing support via the SIP Aler t-In fo header.

Related Topics

• Protocols, page 1-4

• Basic Services, page 1-5

• Supplemental Services , pa ge 1-5

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SIP Overview

Session Initiation Protocol (SIP) is the Internet Engineering Task Force (IETF) standard for re al-time calls and conferenci ng ov er Internet Pr otocol (IP) . SIP is an ASCII-based, applic ation-l ayer contr ol protoc ol that ca n be used to establis h, maintain, and terminate calls between two or more endpoints.

Like other VoIP protoc ols, SIP provides sign aling and sessi on manage ment within a packet telephon y network. Signal ing allows cal l information to be carr ied across network bou ndari es. Sess io n ma na geme nt c on trols th e attri butes of an end-to-end call .

This sect io n in c lu de s th es e to p ics:

• SIP Functions, page 1-7

• SIP Components, page 1-8

SIP Functions

SIP does the following:

• Determines the l oca tio n of th e t arget e ndpoi nt— SI P sup por ts a ddre ss

resolution, name mapping, and call redirection.

SIP Overview

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• Determines the media capabilities of the target endpoint—Via Session

Description Protocol ( SDP), SIP deter mine s the lowest level of common services between endpoi nts. Conf eren ces are est ablis hed using only the media capabilities that can be supported by all endpoints.

• Determines the availability of the target endpoint—If a call cannot be

completed because the target endpoint is unavailable, SIP determines whether the cal led part y is a lre ad y on th e phone o r d id n ot a nsw er in t he allotted number of rings. It then returns a message indicating why the target endpoint was unavailable.

• Establishes a session between the originating and target endpoint—If the call

can be completed, SIP estab lish es a session b etw een the end point s. SIP a lso supports mid-call changes such as adding another endpoint to the conference and changing media characteristic or codec.

• Transfers and terminates calls— SIP support s the transf er of calls from one

endpoint to another. During call transfer, SIP simply establishes a session between the transferee and a new endpoint (specified by the transferring

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SIP Overview

Related Topic

• SIP Components, page 1-8

SIP Components

SIP is a peer -to- peer pr otocol. The peers in a se ssion are call ed user agent s (U As) . A user agent can function in either of two roles:

• User-agent client (UAC)—A client application that initiates the SIP request.

• User-agent server (UAS)—A server application that contacts the user when a

Typically, a SIP endpoint is capable of f unc tioni ng as e it her UAC or UAS (but not both simultaneously ) during a tra nsaction. Whether it functions as UAC or UAS depends on the UA that initiated the request.

Chapter 1 Overview of the CiscoIP Phone Models 7905G and 7912G

party) and terminates the session between the transferee and the transferring party. At the end of a call, SIP terminates sessions between all parties. Conferences can consist of two or more users an d can be est ablished using multicast or multiple unicast sessions.

SIP request is received and returns a response on behalf of the user. SIP servers can interact with other back-end application services such as

Lightweight Directory Acc ess Protocol (LDAP) servers, database applications, and extens ible mark up langua ge (XML ) applica tions that provide back-end services such as directory, authentication, and billing services.

1-8

Figure 1-2 shows the architecture of a SIP network.

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Chapter 1 Overview of the Ci sco IP Phone Models 7905G and 7912G

Figure 1-2 SIP Architecture

SIP proxy and

redirect servers

SIP

SIP SIP

user agents

SIP Overview

SIP gateway

SIP Client s

RTP

Legacy PBX

PSTN

72342

Related Topic

• SIP Functions, page 1-7

• SIP Clients, page 1-9

• SIP Servers, page 1-10

SIP clients include the following:

• Te lephones—Act as either UAS or UAC. The Cisco IP Phone models 7905G

and 7912G can initiate SIP requests and re spond to r equests.

• Gateways—Provide call control. Gateways provide many services, the most

common being translation betwee n SIP confere ncing endp oints of transmission format, commu nicati ons procedu res, and co decs. Other functions include ca ll setup an d clearin g on both the LA N side and the switched-circuit network side.

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SIP Overview

SIP Server s

Chapter 1 Overview of the CiscoIP Phone Models 7905G and 7912G

SIP servers include the following:

• Proxy servers—Rece ive SIP requests from a cli ent and forward them to the

next SIP server in the ne twork. Pr oxy se rvers c an pr ovide func ti ons suc h as authentication, author i zati on, ne twor k ac cess co ntrol , r outi ng , re liabl e request retransmission, and security.

• Redirect servers—Receive SIP requests, strip out the address in the re quest,

check its address tables for any other addresses that may be mapped to the one in the request, and return the results of the address mapping to the client. Basically, redirect servers provide the client with information about the next one or more hops that a message should take and then the client contacts the next hop server or UAS directl y.

• Registrar servers—Process requests from UACs for registration of their

current location. Registrar ser vers are ofte n coloc ated with re dire ct or proxy servers.

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CHAPTER

Installing the Cisco IP Phone Models 7905G and 7912G

This chapter provides information about installing the Cisco IP Phone models 7905G and 7912G at the en d user locat ion. It inc ludes the following secti ons:

• Prerequisites, page 2-1

• Safety, page 2-2

• Connecting to the Network, page 2-4

• Providing Power to the Cisco IP Phone, page 2-5

• Installing the Cisco IP Phone Models 790 5G and 7912G, page 2-6

• Verifyi ng Installati on, page 2-15

Prerequisites

The Cisco IP Phone models 7905G and 791 2G act as endp oints on an IP telephony network, and have the fo llowing ne twor k r equi reme nts :

• An Ethernet conn ec tio n to a ne tw ork wit h SI P cli ent s a nd s ervers, as required

• A Trivial File Transfer Protocol (TFTP) server for storing IP phone profiles,

• A Dynamic Host Configuration Protocol (DH CP) server, if desired

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Safety

Chapter2 Installing the Cisco IP Phone Models 7905G and 7912G

• A Call Control System

–

Proxy server—There must be a device running RFC 2543 SIP-compliant

software

–

Voice packet gateway—Required if you are connecting to the Public

Switched Telephone Network (PSTN)

Note If you use a firewall, Cisco re comme nd s tha t it be a Ci sco PIX firewall, Version

5 or later.

Related Topics

• Safety, page 2-2

• Connecting to the Network, page 2-4

• Providing Power to the Cisco IP Phone, page 2-5

• Installing the Cisco IP Phone Models 790 5G and 7912G, page 2-6

• Verifyi ng Installati on, page 2-15

Safety

2-2

To ensure general safety, follow these guidelines:

• Do not open or disassemble this product.

• Do not get this product wet or pour liquids into this device.

• Do not perform any action that creates a potential hazard to people or makes

the equipment unsa fe.

Warning

Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)

Ultimate disposal of this product should be handled according to all national laws and regulations. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

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Safety

Warning

Read the installation instructions before you connect the system to its power source. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

The plug-socket combination must be accessible at all times because it serves as the main disconnecting device. To see transl ations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

Do not work on the syst em or connect or disconnect cables during periods of lightning activity. To see transl ations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

This equipment is to be installed and maintained by service personnel only as defined by AS/NZS 3260 Clause 1.2.14.3 Service Personnel. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

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Warning

This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that a fuse or circuit breaker no larger than 120 VAC, 15A U.S. (240 VAC, 10A international) is used on the phase conductors (all current-carrying conductors). To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

The device is designed to work with TN power systems. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

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Connecting to the Network

Related Topics

• Connecting to the Network, page 2-4

• Providing Power to the Cisco IP Phone, page 2-5

• Installing the Cisco IP Phone Models 790 5G and 7912G, page 2-6

• Verifyi ng Installati on, page 2-15

Connecting to the Network

The Cisco IP Phone 7912G has two RJ-45 ports labe lled “10/ 100 SW” and “10/100 PC.” Each port supports 10/100 Mbps half- or full-duplex connections to external devices. The Ci sco IP Phone 7905 G has one RJ -45 port la bel ed “10 BASET.” This port supports 10 Mbps hal f- or full-du plex connect ions to external devices. You can use Category 3 or 5 cab lin g for 10 -M bps c onn ect ions, but you must use Category 5 c abling f or 100 M bp s conn ec tions. C isco recommends that you use full-duplex mode on all ports (set at the switch) to avoid collisions.

Use the 10BASET port on the Cisco IP Phone 7905G or the 10/ 100 SW po rt on the Cisco IP Phone 7912G to co nnec t a phone to the n etwork. You must use a straight-through c abl e on thes e p ort s. A ph one c a n al so ob tain inl ine power over these connections.

Use the 10/100 PC port on the Cisco IP Phone 7912G to connect a network device, such as a computer, to the phone. You must use a straight-through cable on this port.

2-4

Figure 2-1 shows the connection ports on the back of the Cisco IP Phone 7905G . Figure 2-2 shows the connection por t s on the b ack of the C isco I P Pho ne 791 2G .

Related Topics

• Safety, page 2-2

• Providing Power to the Cisco IP Phone, page 2-5

• Installing the Cisco IP Phone Models 790 5G and 7912G, page 2-6

• Verifyi ng Installati on, page 2-15

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Providing Power to the Cisco IP Phone

The Cisco IP Phone can be powered by the following sources :

• External power—option al Cisco AC adapter and power co rd for con necting

to a standard wall receptacle.

• Inline power—provided to the Cisco IP Phone w hen con nected to a

Cisco C atalyst switch that is capable of providing inline power.

Note Only the network port supports in line power from the

Cisco C atalyst switches. The network port is labelled “10 BASET” on the Cisco IP Phone 7905G and “10/1 00 SW” on the Cisco IP Phone 7912 G.

• WS-PWR-PANEL—power patch panel tha t al lows the Cisc o I P Pho ne t o be

connected to existing Catalyst 400 0, 5000, and 60 00 family 10/1 00BaseTX switchi ng modules.

This module sends power on pins 4, 5, 7, & 8, which are not used for Ethernet signaling. The power patch panel attempts to verify that the attached device is a Cisco IP Phone befor e providing power.

Related Topics

• Safety, page 2-2

• Connecting to the Network, page 2-4

• Installing the Cisco IP Phone Models 790 5G and 7912G, page 2-6

• Power Source Design, page 2-5

• Redundancy Feature, pag e 2-6

• Verifyi ng Installati on, page 2-15

Power Source Design

The phone and switch automatically determine which power source the phone uses. If the power switches to a different sourc e, the phon e user will exper ience different results ba sed on w hic h power sour ce i s bein g used by the phon e.

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Installing the C isc oIP PhoneMode l s 7905G and 7912G

Use the following in for mat ion t o choo se a power sou rce for t h e phone :

• If you plug a phone into the optional pow er supply before plugging it into the

network, the phone is powered by the power supply.

• If you then unplug the phon e fr om the power sup ply, the phone resets. If the

switch port is configured for 10/ 100 Mbp s, t he swi tch re co gniz es the lo ss of power and brings t he phon e ba ck u p.

• If the switch port is c onfigured f or 10 Mbps on ly, then you must u nplug th e

network connection an d p lug i t ba ck i nto t he p hone for t he s wit ch t o recognize the p hone’s loss of power.

• If, however, you plugged the network co nne c tion i nto t he p hon e befor e yo u

plugged in the power cord, the phone receives power through the switch, and unplugging the power co rd w ill n ot b ri ng down the p hon e. I f the sw itch reboots, the phone will then be powered by the power cord.

Redundancy Feature

For redundancy, you can use the Cisco AC adapter even if you are using inline power fr om the Cisco Cataly st s wi t ches . T he C is c o IP Phone can shar e the power load being used from the inline power and external power source. If either the inline power or the external power goes down, the phone can switch entirely to the other power source.

Chapter2 Installing the Cisco IP Phone Models 7905G and 7912G

To use this re dund ancy fe a ture :

1. Set the inline power mode to auto on the Cisco Catalyst switch.

2. Connect the unpowered Cisco IP Phon e to the ne twork.

3. Connect the external power supply to the phone afte r the phone powers up.

Installing the Cisco IPPhoneModels 7905G and 7912G

You must install and configure the Cisco IP Phone before it will operate. Installation consist s of ma king p ower and network conn ec ti ons. C onfigurat ion consists of setting values for various parameters.

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Chapter 2 Installing the Cisco IP Phone Models 7905G and 791 2G

Most frequently, the configuration p aram eter-value pairs fo r ea ch phone ar e contained in a configuration file known as a profile that is stored on a TFTP server on the network. When the phone powers up, it contac ts the TFTP server an d downloads its profile. To do so, however, the phone must first receive a basic configuration that instructs it to download its profile from the TFTP server and informs it of the server location. Th is basic co nfiguration can be preprogrammed on the phone before it is shipped to the end user, or it can be performed by the end user when the phone is insta lled.

For more information about configuring a phone, see Chapter 3, “Configuring the

Cisco IP Phone Models 7905G and 7912G f or SIP.” For detailed information

about profiles, see Chapter 6, “C onfiguring the Cisco IP Phone Models 790 5G

and 7912G Using a TFTP Server.”

The following sections describe how to install the Cisco IP Phone models 7905G and 7912G:

• Physical Installation of the Ci sco IP Phon e Models 79 05G an d 7912 G,

page 2-7

• Mounting the Phone to the Wall, page 2-12

• Basic Configuration of the Cisco IP Phone Models 790 5G and 7912G ,

page 2-13

Installing the CiscoIP Phone Models 7905G and 7912G

Related Topic

• Safety, page 2-2

Physical Installation of the Cisco IPPhone Models 7905G and 7912G

To install the Cisco I P Phone mode ls 79 05G and 7 912 G, p er fo rm t he f ollowing steps.

See Figure 2-1 as you install the Cisco IP Phone 7905G, or see Figur e 2-2 as you install the Cisco I P Ph one 7 912 G.

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Installing the C isc oIP PhoneMode l s 7905G and 7912G

Chapter2 Installing the Cisco IP Phone Models 7905G and 7912G

Warning

To avoid electric shock, do not connect safety extra-low voltage (SEL V) circuits to telephone-network voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN ports both use RJ-45 connectors. Use caution when connecting cables. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

Caution Do not cover or block the air vents on the back side of the Cisco IP Phone.

Overheating can cause permanent damage to the unit.

Caution If you plan to power your phone locally (instead of receiving power through the

Ethernet connectio n), use onl y a Cisco 48 volt power supply desig ned to work with a Cisco IP Phon e.

Note Do not use hoo ded ca ble s w ith t h e Ci sco IP Pho ne mode ls 7 905G an d 7912 G

because they can cause the phone to rock .

Procedure

2-8

Step 1 Use a Category 3 or 5 straig ht-thr ough Ethe rnet ca ble to conne ct the 10 BASET

port on the Cisco IP Phone 7905G or the 10 /100 SW port on the Cisc o IP Phone 7912G to an Ethe rne t p ort.

Step 2 Connect th e ha ndset to the h andse t po rt.

Ensure that the end of the cord with the longer uncoiled section is connected to the body of the phon e.

Step 3 Connect a Category 3 or 5 Ethernet cable to the 10/100 PC port on the back of the

Cisco IP Phone 7912G (optio nal). Use a crossover Ethernet cable to connect from the access port to another Ethernet

device (such as a router or desktop computer) without using a hub. Otherwise, use a straight-through Ethe rnet ca ble.

The Cisco IP Phone 7 905G does not have a 10/ 100 PC por t.

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Chapter 2 Installing the Cisco IP Phone Models 7905G and 791 2G

Step 4 If the phone will not receive power through the Ethernet connection, connect the

power supply plug to the DC adapter port on the back of the phone. Then use the power cable to connec t the p ower supply to a stand ard power out let.

After you connect a Cisco IP Phone to its power source, a startup process begins. After several minutes, the LCD di spla ys a neut ral “r eady ” sc reen . Th e de tail s on the screen might vary, but a ready screen typ ica lly di sp lays the dat e a nd time , extension number, and available softkeys. Startup is complete and the phone is ready to use.

Softkeys point to featu re opt ions displ ayed a long the b otto m of the L CD s cr een. Softkeys are flexible—they cha nge dep en ding on the sta tus o f the ph one. For example, one set of so ftkey opt ion s a ppe ars wh en t he h an dse t i s p icked up , and another set appear s when the phone is not in us e.

If the phone was prep rog ra mmed w ith i ts b asic c on figuration, i t b egins t o automatically download its complete profile from the TFTP server. the initial preloaded boot load firmware imag e is upgra ded to a firmware image that supports a specific signall ing prot ocol .

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You or the end user must complete the steps in the “Basic Configuration of the

Cisco IP Phone Models 7905G and 7912G” section on page 2-13 before using the

phone.

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Installing the C isc oIP PhoneMode l s 7905G and 7912G

Figure 2-1 Cisco IP Phone 7905G Cable Connections

Chapter2 Installing the Cisco IP Phone Models 7905G and 7912G

2-10

1 Network p ort (10BASE-T) Connec ts the pho ne to the Eth erne t port in

your workspace

2 Handset por t Connects the handset to the phone 3 DC ada pter p ort (48 VDC) Connects the power s upply plu g t o the phone 4 Power supply with DC

Connects to the AC power cable output connector (if included)

5 AC power cable with wall

socket plug (if inc lud ed)

Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)

Connects the power s upply to a stan da rd

power outlet

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Figure 2-2 Cisco IP Phone 7912G Cable Connections

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1 Network port (10BASE-T,

100BASE-T)

2 Access port (10BASE-T,

100BASE-T)

91638

Connects the phone to th e Ether net port in

your workspace.

Connects the phone to th e Ether net port in a

desktop computer

3 Handset por t Connects the handset to the phone 4 DC ada pter p ort (48 VDC) Connects the power s upply plu g t o the phone 5 Power supply with DC

Connects to the AC power cable output connector (if included)

6 AC power cable with wall

socket plug (if inc lud ed)

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Connects the power s upply to a stan da rd

power outlet

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Installing the C isc oIP PhoneMode l s 7905G and 7912G

Related Topics

• Mounting the Phone to the Wall, page 2-12

• Basic Configuration of the Cisco IP Phone Models 790 5G and 7912G ,

page 2-13

Mounting the Phone to the Wall

You ca n moun t the Cisco I P Pho ne on the wal l by re moving the foot sta nd and using the mountin g bra c ket on the b ac k of t he p hone , or y ou can use sp ec ial brackets available in a Cisco IP Phone wall mount kit. (A wall mount kit must be ordered separate ly f rom t he p hon e. ) If yo u a ttac h the Ci sco IP Phone to th e wal l using the standard footstand a nd not the wall mou nt kit, you need to supply the following tools and parts:

• Screwdriver

• Screws to secure the Cisco IP phone to the wall

To mount the phone on the wall using its mounting bracket, follow these steps:

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Procedure

Step 1 Remove the footstand from the phone. Step 2 Modify the handset rest so that the handset remains on the ear-piec e rest when the

phone is vertically place d.

a. Remove the handset f rom the ear-piece re st. b. Locate the ta b (ha nds et wall h ook) a t t he ba se of t he e ar-piec e r est. c. Slide this tab out, rotate it 180 degrees (left to right) to expose a lip on which

the handset catches when the phone is vertical, and reinsert this tab.

d. Place the handset on the ear-piece rest.

For an illustrated procedure of modifying the handset rest, refer to Installing the Wall Mount Kit for the Cisco IP Phone.

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Chapter 2 Installing the Cisco IP Phone Models 7905G and 791 2G

Installing the CiscoIP Phone Models 7905G and 7912G

Step 3 Insert two screws into a w all stud or i nto w all anch ors, matc hing the scr e ws to t he

two screw holes on the bac k of t he p hone . The keyholes fit standard phone jack mounts.

Step 4 Hang the pho ne on th e wal l.

Basic Configuration of the Cisco IP PhoneModels 7905G and 7912G

The basic configuration of a Cisco IP Phone provides the phone with the minimal information that it needs to download its complete operational configuration profile from a TFTP server. This information includes a value to enable TFTP downloads, a value for the U RL for th e TFTP server that stores t he phone ’s complete configuration file (also known as a profile), and a value for the encryption key.

The following steps explai n how to perf or m this basic c onfigurati on f or the Cisco IP Phone.As administrat or, you can preconfigure a phone bef ore it is shipped to the en d u s er. Then, after the end user c on n ect s a p h one as d es cr ib ed in the “Physical Installation of the Cisc o IP Phone Mode ls 79 05G and 7 912G”

section on page 2-7, the phone automatically down loads t he conf ig uration prof ile

and the latest phone softwa re from the TFT P server. The phone is ready for use within seconds.

If preconfiguration is no t po ssibl e, t he en d u ser c an p er form t hes e st ep s aft er connecting the pho ne .

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Procedure

Step 1 Press the Menu button to access the Services menu. Step 2 In the Services menu, use the Navigation button to selec t Settings, and then press

the Select softkey.

Step 3 In the Settings menu, use the Navigation button to select Network

Configuration, and then press the Select softkey.

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Installing the C isc oIP PhoneMode l s 7905G and 7912G

Step 4 Unlock network configuration settings.

For instructions, see the “Unlocking and Locking Configurat ion Paramet ers”

section on page 5-4.

Step 5 In the Ne twork Co nfigurat ion menu , use the Navigation button to select

Alternate TFTP, and then press the Yes softkey.

Step 6 In the Ne twork Co nfigurat ion menu , use the Navigation button to select TFTP

Server, and then press the Edit softkey.

The current value fo r th e IP addre ss of t he TFTP server appea rs in the Cur ren t Value and the New Value fields.

Step 7 Enter a new IP address in the New Value field.

Use the arrow softkey (<<) to delete existing characters. Use the * key on the keypad to enter a period (.).

Note When the cursor moves over a character, the character is deleted and a

new character must be ent ere d. You cannot cancel individual cha rac ter deletions, but you can use the Cancel softkey to back ou t of the s cree n without saving your changes .

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Step 8 Press the Validate softkey. Step 9 In the Ne twork Co nfigurat ion menu , use the Navigation button to select Profile

Encrypt Key, and then press the Edit softkey.

Step 10 Enter the encryption key using the keys on the keypad, and then pr ess the

Validate softkey. For information about ent ering al pha- numer ic char acter s, se e the “Editing

Parameter Va lues” se ction on page 5-5 .

Step 11 Press the Save softkey. Step 12 Press the Back softkey and then press the Exit softkey.

The phone downloads its conf igurati on profile and the latest ph one software from the TFTP server.

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Chapter 2 Installing the Cisco IP Phone Models 7905G and 791 2G

Verifying Installation

If you hear a di al ton e w hen y ou lif t the h andse t, you have install ed t he Cisco IP Phone properly. If you experienc e any p rob lems , see Chapter 9,

“Troubleshooting the Cisco IP Phone Models 790 5G and 7912G .”

Verifying Installation

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Verifying Installation

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CHAPTER

Configuring the Cisco IP Phone Models 7905G and 7912G for SIP

This chapter provides an overview of configuring the Cisco IP Phone to operate with the SIP firmware image.

This chapter includes the following sections:

• Overview of Configuration Methods, page 3-1

• Default Boot Load B eh avior, page 3-2

• Specifying a Preconfigured VLAN ID or Disabling VLAN IP Encapsulation,

page 3-4

• Basic Configuration Steps in a TFTP Server Environment, page 3-6

• Minimum Configuration Settings for the Cisco IP Phone Models 7905G and

7912G, page 3-9

Overview of Configuration Methods

You can co nfigure the Cisco IP Phone for SIP by using any of these me thods:

• TFTP server—Recommend ed met hod for depl oying a large num ber of

Cisco IP Phones. This method allows you to set up a unique configuration file for each phone or to se t u p a co nfigurati on file th at i s co mmon t o al l Cisco IP phones. These configuration files are called profiles. The

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3-1

Default Boot Load B ehavior

Related Topics

Chapter 3 Configuring the CiscoIP Phone Models 7905G and 7912G for SIP

Cisco I P Phone can automatically download its latest profile from the TFTP server when the phone powers up, is refreshed or reset, or when the specified TFTP query interval expires.

For more information , see C hapter 6, “Co nfiguring the Cisc o IP Phone

Models 7905G and 7912G Us ing a TFTP Server.”

• Phone configuration menu s—Manu al method for configurin g an individual

phone. Each Cisco IP Phon e inclu des men us f or c onfiguring a variety o f network and SIP settings.

For more information , see C hapter 5, “Co nfiguring the Cisc o IP Phone

Models 7905G an d 7912 G Usi ng t he Pho ne Men us.”

• Phone web page —Convenient if you plan to deploy a small number of

Cisco IP Phones in your ne twork. To use this method, the p hone must f irst ob tain IP connectivity

For more information , see C hapter 7, “Co nfiguring th e

Cisco IP Phone Models 7905G and 7912G Us ing Web Pages.”

• Default Boot Load B eh avior, page 3-2

• Specifying a Preconfigured VLAN ID or Disabling VLAN IP Encapsulation,

page 3-4

• Basic Configuration Steps in a TFTP Server Environment, page 3-6

• Minimum Configuration Settings for the Cisco IP Phone Models 7905G and

7912G, page 3-9

Default Boot Load Behavior

Before you configure the Cisco IP Phone, you need to know how the default boot load process works. Once you understand this process, you will be able to configure the phone by fol lowing th e ins tr uct ions pr ovide d in thi s sec ti on and i n the sections that follow.

It is important to underst and the boo t load pro cess because if your network environment is not set up to follow this default behavior, you will need to make the applicable configuration changes. For example, by default, the Cisco IP Phone attempts t o con tac t a D HC P ser ver fo r t he n ec es sar y I P a dd re ss es to ac hi eve

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Chapter 3 Configuring the Cisc o IP Phone Models 7905G and 7912G for SIP

network connectivity. Howev er, if your network does not use a DHCP server, you must manually configure the IP address of the phone, the subnet mask used by the phone, and the network gateway (default router) IP addr ess for the pho ne.

All Cisco I P Phones are shipped with a bootload image. However, because this image is not a fully -fun ctional si gnali ng im age, th e imag e must be upgr aded. T he image is designed to be auto matica lly upgrade d by a properly c onfigured TFTP server. To configure the Cisco IP Phone to automatically upgrade to the latest signaling image, see the “Upg rade code Parame ter Detai l” secti on on page 8-41 .

In addition, the Cisco IP Phone obtains its configuration file during the bootload process.

Here is a summary of the default Cisco IP Pho ne behavior during its boo t-up process:

1. The Cisco IP Phone uses the Cisco Discovery Protocol (CDP) to discover

which VLAN to enter. If the phone receives a VLAN ID response from the network switch, the phone enters that VLAN and adds 802.1Q VLAN tags to its IP packet s. If the phone does not receive a response with a VLAN ID from the network switch, the phone assumes it is not operating in a VLAN environment and does not perform VLAN tagging on its packets.

Default Boot Load Behavior

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Note If your network environment is not set up to handle this default behavior,

make the necessary configuratio n changes by referring to the “Specifying

a Preconfigured VLAN ID or Disabling VLAN IP Encapsulation” section on page 3-4.

2. The phone contacts the DHCP ser ver to request its own IP address.

Note If your network do es not use a DHCP server, you must m an ual ly

configure the IP address of the phone, the subnet mask used by the phone, and the network gateway (de fault r out er) I P a ddress for the phone . For more information, see the “Minimum Configuration Settings for the

Cisco IP Phone Models 7905G and 79 12G” sect ion on p ag e 3-9.

3. The phone also requests the IP add ress of the TFTP se rver from the DHCP

server.

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Chapter 3 Configuring the CiscoIP Phone Models 7905G and 7912G for SIP

Specifying a Preconfigured VLAN ID or Disabling VLA N I P Encapsulation

4. The phone downloads a pro file from the T FT P se rver. To do so, it requests

the following profiles from the TFTP server, in the order shown, until a file exists. Then it downloads that file. In the file names, xxxxxxxxxxxx is the hexadecimal representation of the phone’s MAC address. (The first three files are not used for SIP. They are included for compatibility reasons.)

–

SEPxxxxxxxxxxxx.cfg.xml

–

XMLDefault.cnf.xml

–

SEPDefault.cnf

–

ldxxxxxxxxxxxx (for the Cisco IP Phone 7905G ) or gkxxxxxxxxxxxx (for the Cisco IP Phone 7912 G)

–

lddefault.cfg (fo r th e Cisco I P Pho ne 79 05G ) or g kde fault. cf g (for t he Cisco IP Phone 7912G)

Related Topics

• Specifying a Preconfigured VLAN ID or Disabling VLAN IP Encapsulation,

page 3-4

• Basic Configuration Steps in a TFTP Server Environment, page 3-6

• Minimum Configuration Settings for the Cisco IP Phone Models 7905G and

7912G, page 3-9

Specifying a Preconfigured VLAN ID or Disabling VLAN IP Encapsulation

If you want the Cisco IP Phone to use a preconfigured VLAN ID instead of using the Cisco Discovery Protocol to locate a VLAN, or if you want to disable VLAN IP encapsulation, you may need to configure the following parameters. (For more information about t hese para meter s, see th e “Network Parameters” section on

page 8-2.) See Table 3-1 for information about which VLAN-related parameters

and bits to co nfigure de pendi ng on y our ne twork e nvironmen t.

• OpFlags parameter:

–

Bit 4—Enable the use of user-specified voice VLAN ID

–

Bit 5—Disable VLAN IP encapsulation

–

Bit 6—Disable CDP discovery

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Specifying a Preconfigured VLAN ID or Disabling VLAN IP Encapsulation

• VLANSetting parameter:

–

Bits 0-2—Specify VLAN CoS bit value (802.1Q priority) for signaling packets

–

Bits 3-5—Specify VLAN CoS bit value (802.1Q priority) for aud io packets

–

Bits 18-29—Us er-speci fied 80 2.1 Q VLA N I D

Table 3-1 VLAN-Related Features and Corresponding Configuration

Parameters

Feature OpFlags Bit 4 OpFlags Bit 5 OpFlags Bit 6

Static VLAN101VLAN ID CDP-acquired

VLAN No VLAN — 1 — Not applicable No CDP — — 1 Not applicable No CDP and no

VLAN

1. This variab le is no t ap pl icab le to t h e fea tur e a nd t he s ett in g of t his variable does not af fe ct the feat u re.

000Not applicable

011Not applicable

VLANSetting Bits 18-29

1 1 1

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Example

The following procedure shows you how to configure the OpFlag s and VLANSetting parameters to allow the phone to use a user-specified VLAN ID. In this example, the voice VLAN ID is 115 (in decimal format).

Step 1 Set bits 4-6 of the OpFlags parameter to 1, 0, and 1, respectively. This setting

translates to the following bitmap:

xxxx xxxx xxxx x xx x xxx x xx xx x1 01 x xxx

The remaining bits of the OpFlags parameter, using all default values, make up the following bitmap representation:

0000 0000 0000 0 00 0 000 0 00 00 0x xx 0 010

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Chapter 3 Configuring the CiscoIP Phone Models 7905G and 7912G for SIP

Basic Configuration Steps in a TFTP Ser ve r Environment

Therefore, the resulting value of the OpFlags parameter becomes the following bitmap representation:

0000 0000 0000 0 00 0 000 0 00 00 01 01 0 010

In hexadecimal for ma t, this value i s 0x00 000 052.

Step 2 Set bits 18-29 of the VLANSetting parameter to v oice VLAN ID 115 . This setting

translates to the following bitmap

xx00 0001 1100 1 1x x xxx x xx xx xx xx x xxx

where 00000111001 1 is the bina ry rep res ent ation of the d eci mal value 115. The remaining bits of the VLANSett ing paramete r, using all default values, make

up the following representation:

00xx xxxx xxxx x x0 0 000 0 00 00 00 10 1 011

Therefore, the resulting value of the VLANSetting parameter becomes the following bitmap representation:

0000 0001 1100 1 10 0 000 0 00 00 00 10 1 011

In hexadecimal forma t, th is value is 0x01 cc 00 2b.

Related Topics

• Default Boot Load B eh avior, page 3-2

• Basic Configuration Steps in a TFTP Server Environment, page 3-6

• Minimum Configuration Settings for the Cisco IP Phone Models 7905G and

7912G, page 3-9

Basic Configuration Steps in a TFTP Server Environment

The following table shows the basic steps for upgrading the firmware image for a Cisco IP Phone, configuring the phone, and making it operational in a typical SIP environment, which includes a TFTP server.

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Basic Conf i guration Steps in a TFTP Server Environment

Procedure Reference

Step 1

Step 2

Download the desired phone release software zip file from the Cisco website and store it on the TFTP server.

Follow these basic steps to create a unique profile, which actually entails creating two files:

1. Create a phone profile that contains

parameters that are common to all Cisco IP Phones in your network.

2. Create a unique profile text file that

contains parameters th at are s pecif ic to a Cisco IP Phone.

Make sure to use an Include parameter in the unique profile to pull in values from the common co nfiguration file.

See the “Setting Up the TFTP

Server with Cisco IP Phon e Software” section on page 6-4.

See Chapter 6, “Configuring the

Cisco IP Phone Model s 7905 G and 7912G Using a TFTP Server.”

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Step 3

Step 4

3. Convert the unique configuration file to

binary format.

4. Place the uniq ue binary configuratio n

file on the TFTP server.

Optionally, create a default profile called lddefault.cfg for the Ci sco IP Phone 7905G or gkdefault.cf g for the C isco IP Phone 7912G, which the phone will download from the TFTP server only if the un ique p rofile called ldxxxxxxxxxxxx or gkxxxxxxxxxxxx does not exist on the TFTP server.

Configure the upgradecode parameter so that the phone will obtain th e corre ct signal ing image from the TFTP server when the phone powers up.

Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)

See the “Creating a Default

Profile” section on page 6-13 .

See the “Upgradecode Parameter

Detail” section on page 8-41.

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Chapter 3 Configuring the CiscoIP Phone Models 7905G and 7912G for SIP

Basic Configuration Steps in a TFTP Ser ve r Environment

Procedure Reference

Step 5

Configure the desired interval for the pho ne to contact the TF TP ser ver to ch eck for a configuration-file update or an upgrade of the signaling image file.

Use the CfgInterval parameter to set this interval.

Step 6

Configure the metho d by whi ch t he ph one will locate the TFTP server at boot up time.

Step 7 Step 8

Power up the phone. — If you make configuration change s to the

phone or if you upg rade th e sign ali ng imag e on the TFTP server, you can re fresh t he phone so that th ese chang es take effect immediately. Otherwise, these changes will take effect when the specified interval (CfgInterval par amet er value) f or the T FTP query expires.

See the “Network Parameters”

section on page 8-2.

See the“Configuring the

Cisco IP Phone to Obtain its Configuration File from the TFTP Server” section on page 6-5.

See the “Refreshing or Resetting

the Cisco IP Phone” s ecti on on page 6-17.

3-8

Table 4-1 on page 4-2 conta ins a list of all re quired SIP parameters . These

parameters must be properly c onfigured for the Cisco IP Phone to work. For descriptions of important Cisco IP Phone SIP services that you can configure,

and references to their configuration parameters, see the “Important Basic SIP

Services” section on page 4-2 an d the “Additional SIP Services” section on page 4-4.

Table 4-3 on page 4-12 l ist s, i n alph ab eti c al ord er, various fe atur es t ha t yo u ca n

configure for the Cisco IP Phone.

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Minimum Configuration Settings for the Cisco IPPhoneModels 7905G and 7912G

Related Topics

• Default Boot Load B eh avior, page 3-2

• Specifying a Preconfigured VLAN ID or Disabling VLAN IP Encapsulation,

page 3-4

• Minimum Configuration Settings for the Cisco IP Phone Models 7905G and

7912G, page 3-9

Minimum Configuration Settings for the Cisco IP Phone Models 7905G and 7912G

The Cisco IP Phone r equire s the following mi nim um settin gs f or ne twor k connectivity:

• IP address

• Subnet mask

• Network gateway (default router) IP ad dress

These settings can be configured usi ng any of the metho ds describ ed in the following sections:

• Making Settings with a D HCP Server, page 3-9

• Making Settings Manuall y, page 3 -10

Related Topics

• Default Boot Load B eh avior, page 3-2

• Specifying a Preconfigured VLAN ID or Disabling VLAN IP Encapsulation,

page 3-4

• Basic Configuration Steps in a TFTP Server Environment, page 3-6

Making Settings with a DHCP Server

If your Cisco IP Phone n etwork co ntai ns a D HCP s er ver, the Cisco I P Pho ne automatically learns its IP address, subnet mask, and network gateway from the DHCP server when the phone starts up.

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Minimum Configuration Setti ngs for the Cisco IP Phone Models 7905G and 7912G

Making Settings Manually

If your network do es not use a DHCP server, you must m an ual ly sp eci fy the IP address of the phone, the subnet mask used by the phone, and the network gateway (default router) IP ad dre ss f or the phon e. You can specify this inf ormat ion usi ng the phone’s Network Configuration menu, using a profile, or using a phone’s web page.

When you manually spec ify the se values, y ou mu st disabl e D HCP by u sin g th e DHCP Enabled parameter on t he Network Con figuration menu or the Dhcp parameter in a profile or web page.

To manually specify t he I P a ddres s, subn et ma sk, a nd default rout er IP ad dress, use these parameters:

Parameter on Network

Setting

IP address of a phone IP Address StaticIP Subnet mask us ed by

the phone Network gateway

(default router) IP address used by the phone

For detailed information about configuring menus on the phone, see Chapter 5,

“Configuring the Cisco IP Phone Models 79 05G and 7912G Using the Phon e Menus.”

For detailed informa tion a bo ut c on figuring th rough p rofiles, see Ch apter 6,

“Configuring the Cisco IP Phone Models 79 05G and 7912G Using a TFTP Server.”

For detailed inform atio n abo ut con figuring thr ough a phon e’s web page, see

Chapter 7, “Configuring the Cisco IP Phone Models 7905G and 7912 G Using We b Pages.”

Configuration Menu

Subnet Mask StaticNetMask

Default Router StaticRoute

Parameter in Profile or on Web P age

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CHAPTER

Basic and Additional SIP Services

This chapter provides info rmat ion about co nfiguring SI P service s that ar e supported on the Cisc o IP Phone model s 790 5G and 79 12G. For de taile d information about any par ameter me ntioned i n the foll owing section s, see

Chapter 8, “Profile and Web Page Parameters and Defaults.”

This chapter includes these topics:

• Important Basic SIP Services, page 4-2—Describes paramet ers that y ou must

configure for the Cisco IP Phone to function in a SIP environment.

• Additional SIP Services, pa ge 4-4—Contains information about additional,

commonly used SIP feat ures , with re ferenc es to the pa ramet ers for configuring these services.

• Complete Reference of all Cisco I P Phone SIP Services, page 4-12—

Contains a complete listi ng of Cisc o IP Phone s erv ices that ar e suppor ted fo r SIP, and includes cross references to the parameters for configuring these services. Includes services not described in the sections about the basic SIP services and the commonly used a dditional SIP servic es.

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Important Basic SIP Services

This section provides descriptions and cross references for configuring required SIP parameters and for configuring oth er importa nt basic SIP ser vices. This section includes these topics:

• Required Parameters, page 4-2

• Establishing Authentication, page 4-4

• Configuring Refresh I nte rval, pa ge 4-4

Required Parameters

Table 4-1 shows the SIP param eters tha t you must su pply fo r a Cisc o IP Pho ne.

The Parameter fields in this table show each parameter name as it appears on a phone’s web page or in its profile (“web page or profile”), or on the phone’s Network Configuration menu or SIP Configuration menu (“ on phone menu” ).

For more detailed explanations of these parameters, see Chapter 5, “Configuring

the Cisco IP Phone Models 7905G and 79 12G Using th e Phone Menu s,” and Chapter 8, “Profile and Web Page Parameters and Defaults.” These chapters also

contain information about other configuration parameters.

Chapter 4 Basic and Additional SIP Services

Table 4-1 Required SIP Parameters and Defaults

Parameter Description

SIPRegInterval (web page or pro file)

MAXRedirect (web page or pro file)

SIPRegOn (web page or pro file)

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Number of seconds between registration renewal.

Maximum number of times to try redirection.

Enable SIP registration. 0 1 0

Minimum Value

1 86400 3600

0105

Maximum Value

Default Value

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Table 4-1 Required SIP Parameters and Defaults (continued)

Important Basic SIP Services

Parameter Description

NA TIP (web page or pro file)

NAT WAN IP Address

WAN address of the attached router/NAT; currently only used to support SIP behind a

NAT. (on phone menu) SIPPort

Port to listen for incoming SIP requests. 1 65535 5060 (web page or pro file)

Local SIP Port (on phone menu)

MediaPort

Base port to receive RTP media. 1 65535 16384 (web page or pro file)

Local RTP Port (on phone menu)

OutBoundProxy (web page or pro file)

Outbound Proxy (on phone menu)

Outbound proxy server IP address or full y

qualified domain name (FQDN) for all

outbound SIP requests.

All SIP requests are sent to OutBoundProxy,

when configured, instead of to the

configured Proxy. Proxy

(web page or pro file)

SIP proxy server IP address or fully

qualified domain name (FQDN).

Minimum Value

Maximum Value

Default Value

— — 0.0.0.0

——0

SIP Proxy (on phone menu)

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4-3

Additional SIP Services

Establishing Authentication

The UseLoginID parameter lets you select the user ID for authentication of the phone to the remote end as fo llows:

• If UseLoginID is set to 0, the user ID (set with the UID parameter) is used

with a user-supplie d p assword (se t w ith th e PWD p ara mete r) f or authentication.

• If UseLoginID is se t to 1, yo u m ust s uppl y a log i n ID (set wi th the Lo ginI D

parameter) and a password (set with the PWD parameter) for authentication.

Configuring Refresh Interval

When the value specified with the CfgInterval parameter is reached, the Cisco I P Phone attempts to refresh its configuration file from the TFTP server. (You can manually perform a refresh before the scheduled refresh as explained in the “Refreshing the Cisco IP Phone” sect ion on page 6-17 .)

When a Cisco IP Phone contacts the TFTP server, it also checks to see if a firmware image has been placed on the TFTP server. If such an image exists, the phone will download thi s ima ge.

Chapter 4 Basic and Additional SIP Services

Additional SIP Services

Table 4-2 describes additional SIP services and provides references to additional

information. These services are listed alphabetically.

Note Many of the descriptions in Table 4-2 refer to spec ific pa rameters that you can set

in a profile or from a p hon e’s web page. For the c orre spon ding pa rame ter in t he phone configuration menus, see A ppend i x B, “Pho ne Me nu, Web Page, and

Profile Equivalent Parameters.”

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Chapter 4 Basic and Additional SI P Services

Additional SIP Services

Table 4-2 Additional SIP Services

SIP Service Description Reference

Advanced audio configuration.

The TOS parameter (which specifies the default IP precedence of U DP pac kets) and A u dioM ode parameter (which spec ifies the audio ope rating mo de) allow you to tune au dio c on figurati on.

Call preferences The GUI Show Mask or CallPrefGuiShow specify

which parameter s, if any, appear on the Call Preference s m en u on t he pho ne . Th e G UI Se t M as k o r CallPrefGuiSet parameters specify which parameters on the Call Preferences menu on the phon e can be changed by an end user. You can use these para meters to offer specific features on a subscription basi s

Comfort noise When silence supp ressi on i s tur ne d o n in G.7 11, th e

Cisco IP Phone calculates and transmits its noise level to the far end t o enab le the rem ote endp oint to gene rate the appropriate amount of comfort noise. This feature provides the remote user with a similar experience to that of a PSTN c al l an d prevents sile nt ga ps wh en neither party is talking.

See the “SIP Parameters”

section on page 8-9 and

the “Audio Parameters”

section on page 8-24.

See the “Call Pref er en ce

Parameters” section on page 8-13.

See the “Audio

Parameters” section on page 8-24.

You ena ble or disable silence suppression with bit 0 in the AudioMode p aram eter.

Debugging diagnostics

You can use the following param eters to tr oublesho ot operation i ss u es:

• NP rintf—Spe cifies the IP address and por t where

debug information is sent.

• TraceFlags—Turns on specific trace features.

Dial plan You can use the DialPlan parameter to set specific dial

plan rules and ti meout v alue s. Man y of th ese v alues a re determined on a c ount ry-by-co untry b asis.

Disabling access to the web interface

To prevent tampering and unauthor ized ac cess to the Cisco IP Phone configuration, you can use the OpFlags parameter to prevent configuring the phone through the web.

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See the “Network

Parameters” section on page 8-2.

See the “SIP Parameters”

section on page 8-9.

See the “Network

Parameters” section on page 8-2.

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Chapter 4 Basic and Additional SIP Services

Additional SIP Services

Table 4-2 Additional SIP Services (continued)

SIP Service Description Reference

Distinctive ringing support

DNS SRV support

Hardware information

If an incoming INVITE contains an Alert-Info header with the name Bellcore-dr1, Bellcore-dr2, Bellcore-dr3, Bellcore-dr4, or Bellcore-dr5, the phone will play the ring pattern r

, where n = 1, 2, 3, 4, or 5 as

specified in Bellcore GR506. If the Alert-In fo header is not present or if the ring pattern na me is unknown, the phone will play the default ring pattern Bellcore-dr1.

The Cisco IP Phone supports DNS SRV lookup for the SIP proxy server. If the Proxy param ete r value is a domain name, the ph one perf orm s a D NS SRV lookup for the SIP proxy server. A DNS SRV lookup results in one of the fol lowing co ndi tions:

• Z ero host is retur ned or DNS SRV lookup failed.

The phone then performs a regul ar DNS A-re cord lookup for the given name.

• One host is returned. The single host is use d as the

primary proxy far m.

• Two or more hosts are returned. The two hosts with

the highest priorities are used as the primary and backup proxy farms.

You can view Cisco IP Phone hardware information on the phone’s Model Information menu and on the Device Information area in a phon e’s web page.

—

See the “SIP Parameters”

section on page 8-9.

See the “Model

Information Me nu” section on page 5-17 and

the “Device Infor matio n”

section on page 7-4.

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Chapter 4 Basic and Additional SI P Services

Additional SIP Services

Table 4-2 Additional SIP Services (continued)

SIP Service Description Reference

NAT gateway Network Address Translation (NAT) supports port

mapping and forwarding to stand ard default SIP signaling port 5060 and media base port 16384, or other ports as conf igured for the Cisc o IP Phone . Media po rts are evenly numbered from the base port . NAT must support multiple port mappings. The phon e can use up to four media ports to handl e conferenc e calls on bot h lines. For example, if media base port 16384 is used for one call, the next call uses port 16386 an d other ca lls will use ports 16388 and 16390. (Route rs such as D-Link, WinRoute, and WinProxy m ay n ot rout e correctly if both caller and callee are behind the same NA T.)

T o conf igure the phone to work in a NAT environment, make the following settings:

• Use the StaticRoute parameter to specify the LAN

IP address of the NAT through whic h th e phone will communicate.

See the “Network

Parameters” section on page 8-2 and the “SIP Parameters” section on page 8-9.

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• Use the NATIP parameter to specify the WAN IP

address of the NAT through which all external SIP user agents will communicate.

• Optionally use the SIPPort parameter to specify a

new port for SIP messages.

• Optionally use the MediaPort parameter to specif y

a new base port for RTP media.

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Chapter 4 Basic and Additional SIP Services

Additional SIP Services

Table 4-2 Additional SIP Services (continued)

SIP Service Description Reference

NA T/PAT translation

To maintain Network Address Translation/Port Address Translation (NAT/PAT) for a session, the Cisco IP Phone can be configured to periodically send a dummy UDP packet to a server (the ph one doe s not expect any response from the server) .

To specify this configuration, use these parameters:

• NatTimer—Bits 0 to 11 are for specifying the

retransmission period.

• NatServer—Specifies the server to which the

dummy packet is sent.

Network timing You can fine tune your network tim ing by making the

following settings:

• Use the TimeZone parameter to specify the

time-stamp for incoming calls (offset from Greenwich Mean Time).

See the “SIP Parameters”

section on page 8-9.

See the “Network

Parameters” section on page 8-2 and the “Audio Parameters” section on page 8-24.

4-8

• Use the NTPIP parameter to specify the IP address

of the Network Time Protocol (N TP) server. NTP is a protocol built on top of TCP that ensures accurate local time-k eeping with ref erence to radio and atomic clocks located on the Internet.

• Use the AltNTPIP parameter to specify an

alternate NTP server IP address.

• Use the ConnectMode parameter to specify the

connection mode of the SI P prot ocol .

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Chapter 4 Basic and Additional SI P Services

Additional SIP Services

Table 4-2 Additional SIP Services (continued)

SIP Service Description Reference

Proxy Redundancy support

The Cisco IP phone supports next hop server redundancy when a f ull y q ual ified doma in na me (FQDN) is specified for the Proxy or Outboun d Proxy parameter. When sending a SIP request, the phone performs a DNS SRV records query for the domain name. The phone selects two recor ds from the result and identifies them as Primary Proxy Farm (PPF) and Alternate Proxy Farm (APF). Ea ch farm may co ntain up to five IP addresses. If a DN S SRV record does not exist, the phone performs a DNS A records query fo r the domain name, which is no w considered the Pri mary Proxy Farm with no Alterna te Pr oxy Farm. The p hone accepts up to five IP addresse s from th e query r esu lt.

The phone retries with the alternate next hop server for the following SIP requests: RE GIST ER, I NVI TE, CANCEL, BYE, REFER, and NOTIFY. If sending one of these requests results in a 5xx response, no response, or ARP timeout, the phone attempts the same request with an alternate destination IP address derived from the next hop domain name. If both primary a nd alternate farms exist, the phone attempts the primary farm first and then the alternate farm. The phone will attempt all the IP addresses in one farm before switching to t he o t her fa rm . Once th e pho ne finds a responding next hop server, it remembers the farm and IP address of the server and keeps using it for the given domain name until it fails or expires. If the request still fails after all the possible IP addresses are attempted, the phone considers the request as failed.

See the “SIP Parameters”

section on page 8-9.

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If a server in the alternate proxy farm is active at the moment, the p hon e ca n be c on figured to ret ry t he primary proxy farm after the number of seconds specified by the AltProxyTimeout parameter. If this value is 0, the phone rema ins w ith t he a ltern at e p rox y farm until all the IP addresses in the farm are down before attempti ng the pri mary pr oxy farm aga in.

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Chapter 4 Basic and Additional SIP Services

Additional SIP Services

Table 4-2 Additional SIP Services (continued)

SIP Service Description Reference

Progress tones Valu es for the following parame ters must be

determined based on th e countr y in which th e Cisco IP Phone is located:

• DialTone

• DialTone2

• Bu syTone

• Reor derTone

• Rin gBackTone

• CallWaitTone

Receiver-tagged VIA header

You ca n use t he C onn ec tMo de pa ram ete r to disa ble or enable the processing of the received = parameter in the Via header. This feature is disable d by default.

Setting up and placing a call

You can user the Cisco IP Phone to make a direc t

IP-to-IP calls without usi ng a SIP proxy. without using a SIP proxy

See the “Tone

Parameters” section on page 8-21.

See the “Audio

Parameters” section on page 8-24.

See the “Setting Up and

Placing a Call Without Using a SIP Proxy” section on page 4-10.

Setting Up and Placing a Call Without Using a SIP Proxy

The Cisco IP Phone models 7 905 G a nd 791 2G su pport d irect IP -to- IP calls without using a SIP proxy. When a call is placed, the phone sends the INVITE request directly t o th e re mote us er a ge nt an d expe cts the u sua l 10 0/180 /2 00 responses from the user agent.

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Chapter 4 Basic and Additional SI P Services

To configure a Cisco IP Phone for calls that do not use a SIP proxy, set the following parameters to the values shown:

Additional SIP Services

Parameter on SIP Configuration Men u

Parameter in Profile or on Web Page Setting

SIP Proxy Proxy 0 (zero) or No User ID UID Telephone number of t he

To place an IP call, dial the tel ephone nu mber a nd the IP addre ss of the rem ote user agent using this format:

phone_number** IP ad dr ess

Use the star (*) key on the te leph one keypa d to re pr es ent the do t (. ) in a n IP address. If you are using on-hook dialing, press the Dial softkey to terminate the dial string and place the call . If you are using off-hook dia ling, press t he pound (#) key on the telep hon e keypad t o te rmin ate th e di al stri ng a nd pla ce t he ca ll

Note URL dialing is not supported.

For example, to place a call to a user ag ent w ith an ID of 408- 555-1 212 at IP address 192.168.1.1 00, ente r the following strin g on your te lephon e keypad:

4085551212**192*168 *1*100

phone

registration with a SIP proxy server)

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Related Topics

• Chapter 5, “Configuring the Cisco IP Phone Models 7905G and 7912G Using

the Phone Menus,”

• Chapter 6, “Configuring the Cisco IP Phone Models 7905G and 7912G Using

a TFTP Server,”

• Chapter 7, “Configuring the Cisco IP Phone Models 7905G and 7912 G

Using Web Pages.”

• Chapter 8, “Profile and Web Page Parameters and Defaults.”

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Chapter 4 Basic and Additional SIP Services

Complete Reference of all Cisco IP Phone SIP Services

Complete Reference of all CiscoIP Phone SIP Services

Table 4-3 lists all configurab le feat ures for t he Cisco IP Phone usi ng SIP. It also

lists the names of the parameters used to configure the features.

Table 4-3 Configurable Features and Related Parameters

Related Parameter in Profile

Configurable Feature

802.1Q packet tagging VLANSetting Admin. VLAN Id Backup proxy tim eo ut AltProxyTimeOut Backup Proxy Timeout Call forward CallForwardNumber

Call forwarding—Maximum times allowed MAXRedirect — Call Preferences GUI Show Mask and

Call waiting tone period SigTimer — Cisco Discovery Protocol OpFlags — Configuration update i nter val CfgInterval — Debug messages—configuring host NPrintf — DialPlan DialPlan — Primary domain name server (DNS) DNS1IP DNS Server 1 DTMF signaling method AudioMode — Encryption EncryptKey Profile Encrypt Key IDs for phone l ine s UID User ID

or on Web Page

(in profile) Call Forward Number

(on web page)

GUI Set Mask (on web page)

CallPrefGuiShow and CallPrefGuiSet (in profile)

Related Parameter on Phone Menu

Call Forward Number

Parameters on Call Preference menu

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Chapter 4 Basic and Additional SI P Services

Complete Reference of all Cisco IP Phone SIP Services

Table 4-3 Configurable Features and Related Parameters (continued)

Configurable Feature

Related Parameter in Profile or on Web Page

Related Parameter on Phone Menu

IP-like address in dial plan IPDialPlan — Login ID LoginID Login ID NTP IP address NATIP NAT WAN IP Address Outbound proxy OutBoundProxy Outbound Proxy Password for registration and

PWD Password

authentication Primary NTP server NTPIP NTP Server 1 Received= tag processing enable/disable ConnectMode — Receiving-audio codec preference RxCodec — Refresh phone usi ng w eb ser ver OpFlags — REGISTER action types ConnectMode — Registration removal ConnectMode — Reset phone using web server OpFlags — Retransmission interval for NAT server NatTimer — Ringback tone —s end t o cal le r ConnectMode — Ring-cadence pattern RingOnOffTime — RTP media port MediaPort Local RTP Port RTP packet size NumTxFrames — RTP statistics TraceFlags — Secondary domain na me se r ver DNS2IP DNS Server 2 Secondary NTP server AltNTPIP NTP Server 2 Server to which to send dummy packets to

NatServer —

maintain port mappings Silence compression AudioMode — SIP proxy address Proxy SIP Proxy SIP registration renewal interval SIPRegInterval Register Ex pires SIP registration enable/disable SIPRegOn Register with Proxy

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Chapter 4 Basic and Additional SIP Services

Complete Reference of all Cisco IP Phone SIP Services

Table 4-3 Configurable Features and Related Parameters (continued)

Configurable Feature

Related Parameter in Profile or on Web Page

Related Parameter on Phone Menu

SIP request sending and receiving port SIPPort Local SIP Port Static network router prob ing OpFlags — TFTP file—not using internally generated

OpFlags —

name Timeout values SigTimer — Time zone offset TimeZone Time Zone Tones: BusyTone, CallWaitTone,

Tone Parameters — DialTone, DialTone2, ReorderTone, and RingBackTone parameters

Tracing TraceFlags — Transmitting-audio codec preference TxCodec — UDP packet default IP precedence TOS — VLAN encapsulat ion OpFlags — VLAN mode OpFlags — WAN address of NAT NATIP NAT WAN IP Address Web configuration—disallowing OpFlags —

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CHAPTER

Configuring the Cisco IP Phone Models 7905G and 7912G Using the Phone Menus

The Cisco IP Phone inc lude s co nfigurabl e n etwork an d SI P par amete rs, whic h you might need to modi fy befor e the ph one is a cce ssibl e and fu ncti on al f or y our users.

You ca n co nfigure and v i ew many param eters t hro ugh c onfigura tio n and st at us menus on the phone, as described in this chapter. You can also view and configure most parameters through web pages and all parameters through profiles. For more information, see Chapter 6, “Configuring the Cisco IP Phone Models 7905G and

7912G Using a T FTP Server,” and Chapter 7, “Con figuring the Cisco IP Phone Models 7905G and 7912G Us ing Web Pages.”

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Appendix B, “Phone Menu, Web Page, and Profile Equivalent Parameters,” shows

the configurable para met ers on t h e phone m enus a nd the ir eq uivalent web pa ge and profile parameters.

Note If you configure a pho ne usi ng a T FT P se rver, parameter values in a p rofile will

overwrite va lues that you set from the phone menus for the same parameters.

This chapter includes the following sections:

• Configuration Menus on the Ci sco IP Phone , p age 5-2

• Network Configuration Menu , p ag e 5-6

• SIP Configuration Menu, p age 5-14

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Chapter5 Configuring the Cisco IP Phone Models 7905G and 7912G Using the Phone Menus

Configuration Menus on the Cisco IP Phone

• Model Information Me nu, page 5-17

• Status Menu, page 5-18

Configuration Menus on the CiscoIP Phone

The Cisco IP Phone models 7905G and 791 2G include the following configuration, informat ion, and stat us men us. You access each of these menus from the Settings menu on the phone.

• Network Configuration menu—L ets you view and configur e a variety of

network parameters. For mo re inf or mat ion, se e t he “N etwor k C onfigura tion

Menu” section on pa ge 5-6 .

• SIP Configuration menu—Lets you configure variety of SIP signaling

parameters. For more information, see the “SIP Configuration Menu” section

on page 5-14.

• Model Information me nu—Di splays ha rdware and softwa re inform ation

about phone. For more inform ation, see the “M odel I nfo rmat ion M e nu”

section on page 5-17.

5-2

• Status menu—Provides options for displ aying sta tus messages, net work

statistics, and firmware versions. For more information, see the “Status

Menu” section on pa ge 5-1 8.

• Call Preferences menu—C ontrols various user fe atures on the phone. For

more information, see the “Call Preferences Menu” se ction on page A-1.

Before you can change parameter values on the Network Configuration menu and the SIP Configuration menu, you must unlock the parameters that appear on these menus. See the “Unlocking and Locking Configurati on Paramete rs” se c tion o n

page 5-4 for instructions.

For information about the keys you can use to edit or c ha nge par ame ters, see th e

“Editing Parameter Values” section on page 5-5.

You can also c hange many of the ne twork configura tion and SIP configurat ion parameters from the pho ne’s profile or web page. For more inform ation , see

Chapter 6, “Configuring the Cisco IP Phone Mo dels 7905G and 7912 G Using a TFTP Server,” and Chapter 7, “Configuri ng the Cisco IP Phone Mod els 7905G and 7912G Using Web Pages.”

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Chapter 5 Configuring the Cisco IP Phone Models 7905G and 7912G Using the Phone Menus

Configuration Menus on the Cisco IP Phone

This section includes the following topics:

• Displaying a Configuration Menu, page 5-3

• Unlocking and Lockin g Configuration Parameters , page 5-4

• Editing Parameter Values, page 5-5

Displaying a Configuration Menu

To display a configuration menu, follow these steps:

Procedure

Step 1 Press the Menu button to access the Services menu. Step 2 In the Services menu, use the Navigation butto n to select Settings, and then press

the Select softkey.

Tip You can ac cess a menu option dire ctly by pressing on the keypad the

number that appears next to the opt ion.

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Step 3 In the Settings menu, use the Navigation button to select the desired menu, and

then press the Select softkey.

To exit a configuration menu and return to the main LCD screen, press the Back softkey until the Exit softkey appears, and then press the Exit softkey.

Related Topics

• Unlocking and Lockin g Configuration Parameters , page 5-4

• Editing Parameter Values, page 5-5

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Configuration Menus on the Cisco IP Phone

Unlocking and Locking Configuration Parameters

Configuration parameters in the Network Configurati on menu and th e SIP Configuration menu on a phone a re lo cked by d efau lt to p revent users fr om making changes that co uld affect the ope ration of a phone.

When parameters are inacc essible for mod ification , a locked pa dlock icon a ppears on the Network Configuration menu and the SIP Configurati on menu. Whe n parameters are unloc ked an d acc essible f or mo di fication, an unlocked padlock icon appears on these menus, as shown below.

You must unloc k the network con figuration para meters or the SIP configurati on parameters before you c an configu re the m. If a password h as be en sp eci fied for the phone, you must enter the password when unl ocking configur ation parameters. (For more in format ion about password s, see the expl anation of UIPassword in Table 8-6 on page 8-26.)

Network configuration parame ters and SIP configuration paramete rs are loc ked again automatically when you exit the Settings menu.

To unlock network configuration and SIP configur ation para meters on t he Cisco IP Ph one, follow these steps:

5-4

Procedure

Step 1 Press the Menu button. Step 2 Use the Navigation button to select Settings, and then press the Select softkey. Step 3 Use the Navigation button to select Network Configuration or SIP

Configuration, and then press the Select softkey.

Step 4 From the Network Configuration menu or the SIP Configuration menu, press **# .

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Configuration Menus on the Cisco IP Phone

Step 5 If your phone d isplay s “ Ente r A dm in Password ,” ent er you r p ass word a nd t hen

press the Enter softkey. See the “Editing Parameter Values” section on page 5-5 for information ab out

entering numbers or lett ers. When parameters are unloc ked, the icon in the upper-righ t portion of yo ur LCD

appears as an unlo cked p adlo ck.

Related Topic

• Editing Parameter Values, page 5-5

Editing Parameter Values

When you edit the value of a configuration parameter, follow these guidelines:

• Use the keys on the dial pad to enter characters (such as numbers, letters, and

periods).

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• If a parameter v alue can accep t either numbers or letters, the Number / Alpha

toggle softkey will be available. Press the Number softkey to enter numbe rs using the dial pad. Press the Alpha softkey to enter letters using the dial pad.

• T o enter letters using the dial pad, 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,” twi ce quickly for “b,” an d three times quic kly for “c.” Afte r you pause, the cursor automatically advances so you can enter the next letter.

• To enter a period (for example, in an IP address), press the * key on the dial

pad.

• Press the << softkey if yo u make a mis take. This sof tke y de letes the charact er

to the left of the cursor.

• Press the Cancel softkey before pressing the Validate softkey or the Save

softkey to discard any change s y ou have made.

Note After you change and save some paramete r values, the phone ma y reset

automatically.

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Network Configuration M enu

Related Topic

• Unlocking and Lockin g Configuration Parameters , page 5-4

Network Configuration Menu

The Network Configuration men u lets you configur e a variety of network parameters. Table 5-1 describes these par ameter s and explains how to change them.

Note The Edit, Yes, or No softkeys for changing network configura tion pa rame ter s

appear only if p ar am ete rs ar e un lo cked a s d esc r ib ed in t he “Un locking an d

Locking Configuratio n Para met ers ” se cti on on page 5-4 . For in format ion about

the keys you can us e t o e dit par a mete rs , see t h e “Editing Parameter Values”

section on page 5-5.

Table 5-1 Network Configuration Menu Parameters

Parameter Description To Change

DHCP Server IP address of the Dynamic Host

Configuration Protocol (D HCP) server from whi ch the ph one obtains information such as its IP address, its subnet mask, and the IP addresses of the ne twork gat eway and the DNS, NTP, and TFTP servers.

MAC Address Unique Media Access Control

(MAC) address of the phone.

Host Name Unique host name of the phone. Display only—cannot configure.

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Display only—cannot configure.

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Table 5-1 Network Configuration Menu Parameters (continued)

Parameter Description To Change

Domain Name Network domain in which the

phone resides. Y ou can change this value if the Alternate Domain parameter is set to Yes.

IP Address Internet Protocol (IP) address of

the phone. You can use this parameter to assign the IP address if DHCP does not provide it.

If you assign an I P a ddre ss wi th this parameter, you must also assign a subnet mask and net work gateway (default router ). See th e Subnet Mask and the Default Router parameters in this table.

Subnet Mask Subnet mask used by the p hon e.

You can use this parameter to assign a subnet mask if DHCP does not provide it.

If you assign a Subnet Mask with this parameter, you must also assign an IP address and a network gateway (default router) for the phone. See the IP Address and the Default Router parameters in this table.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Set the Alternate Domain parameter to

Yes.

3. Scroll to the Domain Name parameter,

press the Edit softkey, and then enter a new domain name.

4. Press the Validate softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Set the DHCP Enabled parameter to No.

3. Scroll to the IP Address parameter, press

the Edit softkey, and then enter a new IP Address.

4. Press the Validate softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Set the DHCP Enabled parameter to No.

3. Scroll to the Subnet Mask parameter,

press the Edit softkey, and then enter a new subnet mask.

4. Press the Validate softkey, and then press

the Save softkey.

Network C onfiguratio n Menu

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Network Configuration M enu

Table 5-1 Network Configuration Menu Parameters (continued)

Parameter Description To Change

TFTP Server IP address or URL of the TFTP

server from which a phone obta ins a profile. Required if the DHCP server does no t pr ovide t he TFT P server addres s.

If you set the Alternate TFTP parameter to Yes, you must enter a non-zero value for the TFTP Server paramete r.

Default Router IP address of the network gateway

used by the phone. You can use this parameter to assign this address if DHCP does not provide it.

If you assign a ne twork gateway address with this parameter, you must also assign an IP address and a subnet mask for the phone. See the IP Address an d the S ubnet Mask parameters in this table.

DNS Server 1, DNS Server 2

IP addresses of the Primary Domain Name System (DNS) server (DNS Server 1) and secondary DNS server (D NS Server 2) used by t he p hone .

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Set the TFTP Enabled parameter to Yes.

3. Set the Alternate TFTP parameter to Yes.

4. Scroll to the TFTP Server parameter,

press the Edit softkey, and then enter a new TFTP server IP address or URL.

5. Press the Validate softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Set the DHCP Enabled parameter to No.

3. Scroll to th e Default Ro uter par ameter,

press the Edit softkey, and then enter a new network gateway IP address.

4. Press the Validate softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Set the Alternate DNS parameter to Yes.

3. Scroll to the DNS Server 1 parameter or

the DNS Server 2 parameter, press the Edit softkey, and then enter a new DNS server IP address.

5-8

4. Press the Validate softkey, and then press

the Save softkey.

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Table 5-1 Network Configuration Menu Parameters (continued)

Parameter Description To Change

NTP Server 1, NTP Server 2

Time Zone Offset to apply to t he G r eenw ich

IP addresses of the Primary Network Time Protocol (NTP) server (NTP Server 1) a nd secondary NTP server (NTP Server

2) used by the pho ne.

Mean Time (GMT) returned by an NTP server to determine local time (to use for Call ID d isplay, for example).

Local time is generated as follows:

• Local time =

GMT + Time Zone, if Time Zone <= 1 2.

• Local time =

GMT + Time Zone – 25 , if Time Zone > 12.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Set the Alternate NTP parameter to Yes.

3. Scroll to the NTP Server 1 parameter or

the NTP Server 2 para met er, press the Edit softkey, and then enter a new NTP server IP address.

4. Press the Validate softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Time Zone parameter, press

the Edit softkey, and then enter a new time zone offset value.

3. Press the Validate softkey, and then press

the Save softkey.

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For example, Time Zone = 17 for Pacific Standa rd Time.

Note You must update this

parameter manually when daylight savings time goes into effect and ends.

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Network Configuration M enu

Table 5-1 Network Configuration Menu Parameters (continued)

Parameter Description To Change

Operational VLAN Id

Auxiliary Virtual Local Area Network (VLAN) c on figured on a Cisco Catalyst switch in which the phone is a member.

If the phone has not received an auxiliary VLAN, this parameter indicates the Administrative VLAN.

If neither the auxiliary VLAN nor the Administrative VLAN are configured, this parameter is blank.

Admin. VLAN Id Auxiliary VLAN in which the

phone is a member. Overrides the value specified by

the Operation VLAN Id parameter.

The phone obtains its Operatio nal VLAN Id via Cisco Discovery Protocol (CDP) from the switch to which the phone is attached. To assign a VLAN ID ma nua lly, use the Adm in VLAN Id paramet er.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Admin. VLAN Id parameter ,

press the Edit softkey, and then enter a new Admin VLAN value.

VLAN Enabled Indicates whether VLAN is

enabled for the phone.

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3. Press the Validate softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the VLAN Enabled parameter

and press the No softkey to disabl e VLAN, or press the Yes softke y to enable VLAN.

3. Press the S ave softkey.

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Table 5-1 Network Configuration Menu Parameters (continued)

Parameter Description To Change

CDP Enabled Indicates whether Cisco Discove ry

Protocol (CDP) i s ena ble d for the phone. CDP allows the phone to be discovered by the CiscoWorks network management syst em.

For more information ab out CiscoWorks2000, refer to the documentation available at this URL:

http://www.cisco.com/univercd/cc /td/doc/product/r trmg mt/cw 2000/ i ndex.htm

DHCP Enabled Specifies whether to use the DHCP

server to obtain informat ion such as its IP address, its subnet mask, and the IP addresses of the network gateway and the DNS, NTP, and TFTP servers.

If this parameter is 0, you must manually specify the IP address of the phone, and the subnet mask and the network gateway (default router) used by t he p hone . See the

“Minimum Configuration Settings for the Cisco IP Phone Models 7905G and 7912G” section on page 3-9 for more information.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the CDP Enabled parameter and

press the No softkey to disable C DP, or press the Yes softkey to enable CDP.

3. Press the S ave softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the DHCP Enabled parameter

and press the No softkey to disabl e DHCP, or press the Yes softkey to enab le DHCP.

3. Press the S ave softkey.

Network C onfiguratio n Menu

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Network Configuration M enu

Table 5-1 Network Configuration Menu Parameters (continued)

Parameter Description To Change

TFTP Enabled Enables or disables downloa ding

of a profile from a TFTP server. If you set this parameter to Yes and subsequently make chan ges using the web interface, you must set this parameter to No before saving those changes; otherwise, the changes will be overwritten by the profile obtained from a TFTP server.

If you set this parameter to Y es and do not specify a TFTP server, the phone will use the TFTP IP address or URL obtained fro m the DHC P server to contact the TFTP server. If you set this parameter to Yes, set the Alternate TFTP parameter to Yes, and specify a value for the TFTP Server parameter, the phone will use the server that you specify.

Alternate TFTP Indicates whether the phone

obtains the IP address or URL of the TFTP server fr om the DH CP server (No) or uses the IP address or URL specified by the TFTP Server paramete r (Yes).

If you set the Alternate TFTP server to Yes, you must specify a value for the TFTP Server parameter.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the TFTP Enabled parameter

and press th e No softkey to disable TFTP , or press the Yes s oftkey to en ab le TFT P.

3. Press the S ave softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Alternate TFTP parameter

and press the Yes softkey if the phone should use an a l tern at ive TFTP ser ver. Press the No softkey otherwise.

3. Press the S ave softkey.

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Chapter 5 Configuring the Cisco IP Phone Models 7905G and 7912G Using the Phone Menus

Table 5-1 Network Configuration Menu Parameters (continued)

Parameter Description To Change

Alternate DNS Indicates whether the phone

obtains the IP address of the DNS server from the DHCP server (No) or uses the IP addresses specified by the DNS Server 1 a nd, optionally, the DNS Server 2 parameters (Yes).

If you set the Alternate DNS server to Yes, you must specify a value for the DNS Server 1 parameter. You may also specify a value for the DNS Server 2 parameter.

Alternate NTP Indicates whether the phone

obtains the IP address of the NTP server from the DHCP server (No) or uses the IP addresses specified by the NTP Server 1 and, optionally, the NTP Server 2 parameters (Yes).

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Alternate DNS parameter

and press the Yes softkey if the phone should use an alternative DNS. Press the No softkey otherwi se.

3. Press the S ave softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Alternate NTP parameter

and press the Yes softkey if the phone should use an al te rn ative NT P se rver. Press the No softkey otherwise.

3. Press the S ave softkey.

Network C onfiguratio n Menu

Alternate Domain

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If you set the Alternate NT P server to Yes, you must specify a value for the NTP Server 1 parameter. You may also specify a value for the NTP Server 2 parameter.

Indicates whether the phone is using an alternative domain name.

If you set this parameter to Yes, you must specify a value for the Domain Name parameter.

Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Alternate Domain pa rameter

and press the Yes softkey if the phone should use an a lte rn ative doma in nam e. Press the No softkey otherwise.

3. Press the S ave softkey.

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SIP Configuration Menu

Table 5-1 Network Configuration Menu Parameters (continued)

Parameter Description To Change

Profile Encrypt Key

Erase Configuration

Specifies an encryption key used to decrypt the pro file t ha t th e phon e downloads from the TFTP server.

For more information ab out encryption keys, see “Using

Encryption” section on page 6-15 .

Changes these settings to their default values: Network Configuration menu set tings (including password), SIP Configuration menu set tings, C all Preferences menu settings , v olume settings, and contr ast set tings.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Profile Encryption Key

parameter, press the Edit softkey, and then enter a new encr ypt ion key.

3. Press the Validate softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scro ll to th e Er ase Co nfigu rat ion

parameter, press the Yes softkey , and then press the Save softkey.

SIP Configuration Menu

The SIP Configuration menu lets you configure a variety of SIP signa ling parameters. Table 5-2 describes these par ameter s and explains how to change them.

Note The Edit, Yes, or No softkeys for changing SIP configuration parameters app ear

only if paramet ers a re u nl ocked as de scri bed in t he “Unlocking and L ocki ng

Configuration Parameters” se ctio n o n pag e 5-4. For info rmati on about the keys

you can use to edit parameters, see the “Editing Parameter Values” section on

page 5-5.

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Table 5-2 SIP Configuration Menu Parameters

Parameter Description To Change

SIP Proxy IP address or URL of the SIP proxy

server used by t he ph one .

User ID User ID for registration and

authentication of the phone.

Password Password for regist rati on and

authentication of the phone.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the SIP Proxy par ameter, press

the Edit softkey, and then enter the IP address or URL of a SIP proxy server.

3. Press the Accept softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the User ID parameter, press the

Edit softkey, and then enter a user ID .

3. Press the Accept softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Password parameter, press

the Edit softkey, and then enter a Password.

SIP Configuration Menu

Use Login ID Indicates whether to use the value

specified with the Login ID parameter instead of the value specified with the User ID parameter for registr ation and authentication of the phone.

authentication of the phone.

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3. Press the Accept softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Use Login ID par ameter , and

then press the Yes softkey to use th e value specified with the Login ID paramet er for registration and authentication.

3. Press the S ave softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Set the Use Login ID parameter to Yes.

3. Scroll to the Login ID parameter, press

the Edit softkey, and then enter a login ID.

4. Press the Accept softkey, and then press

the Save softkey.

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SIP Configuration Menu

Table 5-2 SIP Configuration Menu Para meters (continued)

Parameter Description To Change

Local SIP Port Port where the phone listens for

incoming requests and send s outgoing requests.

Local RTP Port Port from which the phone

transmits and receives media streams.

Backup Proxy Timeout

Timeout, in seconds, for switching from backup proxy ser ver to primary proxy s er ver.

The value can range from 0 to

4294967295.

Outbound Proxy IP add ress o r URL of t he SIP

outbound proxy server used by the phone.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Local SIP Port parameter,

press the Edit softkey, and then enter a SIP port from 506 0 to 65 535.

3. Press the Accept softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Local RTP Port parameter,

press the Edit softkey, and then enter a SIP port, which must be an even number from 0 to 65535 .

3. Press the Accept softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Ba ckup Prox y Timeout

parameter, press the Edit softkey, and then enter a timeout value.

3. Press the Accept softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the O utbound Pro xy parame ter,

press the Edit softkey, and then enter the IP address or URL of the outbound proxy server.

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3. Press the Accept softkey, and then press

the Save softkey.

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Table 5-2 SIP Configuration Menu Para meters (continued)

Parameter Description To Change

seconds, between e ach re gist ration renewal to the SIP proxy server.

The value can range from 1 to

86400.

Indicates wh eth er to en able SIP registration. This parameter is ignored if a SIP proxy server is not specified.

NAT WAN IP Address

External Network Address Translation (NAT) IP address where other SIP user agent s can communicate wi th t he phon e.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Register Expires parameter,

press the Edit softkey, and then enter the SIP registration interval.

3. Press the Accept softkey, and then press

the Save softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the Regist er with Proxy and

press the Yes softkey to enable SIP registration, or press the No softkey to disable SIP registration.

3. Press the S ave softkey.

1. Unlo ck c on figu r a tio n p ar am e te r s .

2. Scroll to the NAT WAN IP Address

parameter, press the Edit softkey, and then enter t h e NAT IP address.

Model Information Menu

The Model Informati on menu provides infor mation th at can assist with troubleshooting t he p hon e.

The Model Information menu shows the following information:

• Model Number—T he mo de l nu mber of the p hon e.

• MAC Address—The MAC address of the phon e.

• App Load ID—Identi fier of the firmware runni ng on the phon e.

• Boot Load ID—Identi fier of the facto ry-in stal led l oad runni ng on the phone .

• Serial Numbe r —Se r ia l n umb er o f t h e pho ne.

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3. Press the Accept softkey, and then press

the Save softkey.

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Status Menu

The Status menu contains the following options, which provide information about the phone and its operation:

To access the Statu s men u, choos e Status f rom t he Sett ings menu .

Chapter5 Configuring the Cisco IP Phone Models 7905G and 7912G Using the Phone Menus

• Status Messages—Reserved for future use.

• Network Statistics—Displays Ethernet traffic statistics.

• Firmware Versions—Display s this infor mat ion about the software and

firmware running on the phone:

–

Application Load ID—Identifier of the firmware.

–

Boot Load ID—Identifier of the factory-installed load.

–

Version— Software version num ber.

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CHAPTER

Configuring the Cisco IP Phone Models 7905G and 7912G Using a TFTP Server

This chapter explai ns h ow to configure t he Ci sco IP Phon e using a Trivial File Transfer Protocol (TFTP) server. This configuratio n m eth od is use ful whe n you have many Cisco IP Phones because you can use a TFTP server for remote, batch configuration of the phon es. T he T FT P se rver can also ho st on e un ique configuration file for e ach ph one .

To obtain configuration information from a TFTP server, a phone downloads a configuration file, called a profile. A profile contains various parameters and values for phone and network setting s.

You can also c onfigure many parame ters for a Cisco IP Phone by using the configuration menus on a phone a nd by using the phone’s web page. For more information, see Chapter 5, “Configuring the Cisco IP Phone Models 7905G and

7912G Using the Ph one M enus, ” a nd Chapter 7, “Configuring the Cisco IP Phone Models 7905G and 7912G Us ing Web Pages.”

For an explanation of the parameters that you can use in a profile, see Chapter 8,

“Profile and Web Page Parameters and Defaults.”

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For a list of the configurable parameters on the phone menus and their equivalent profile and web page parameters, see Appendix B, “Phone Menu, Web Page, and

Profile Equivalent Parameters.”

For an overview of configuring the Cisco IP Phone, see Chapter 3, “Configuring

the Cisco IP Phone Models 7905G a nd 79 12G for SI P.”

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Chapter6 Configuring the Cisco IP Phone Models 7905G and 7912G Using a TFTP Server

Using Profiles with TFTP Configu ration

If you are not using a Dynamic Host Configuration Protocol (DHCP) server, you must manually define IP addresses, subn et masks, and gateways for the phones before you can access pro files. For more inf ormatio n, see th e “Minimum

Configuration Settings for the Cisco IP Phone Models 7905G and 7912G” section on page 3-9.

Note Parameter values that you set in a profile will overwrite values that you set from

a phone’s Network Configuration menu , its SIP Configura tio n men u, or i ts w eb page.

This chapter includes the following topics:

• Using Profiles with TFTP Configuration, page 6-2

• Setting Up the TFTP Server with Cisco IP Phone Software, page 6-4

• Configuring the Cisco IP Phone to Obtain its Configuration File from the

TFTP Server, page 6-5

• Creating or Updating a Profile, page 6-9

• Using Encryption, page 6-1 5

• Refreshing or Res etting the Cisc o IP Phone, pa ge 6-17

Using Profiles with TFTP Configuration

After the Cisco IP Phone has been configure d with the mini mum setti ngs as explained in the “Minimum Configuration Settings for the

Cisco IP Phone Models 7905G and 79 12G” sect ion on p ag e 3-9, you can

configure many additional paramete rs using a file call ed a profile. A profile is stored on the TFTP server and contains a list of tag, length, and value triplets (TLVs) that represent some of the configuration parameters for the Cisco IP Phone. Yo u c an edi t a text version of a p rofile file and the n c onvert it to a bin ary file for the phone to downloa d.

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Chapter 6 Configuring the Cisc o IP Phone Models 7905G and 7912G Using a TFTP Server

Using Profiles with TFTP Configuration

TFTP configuration works as follows:

1. The Cisco IP Ph one m odel 7 905G will tr y to d ownload th e pro file

ldxxxxxxxxxxxx from the TFTP server . The Cisco IP Phone model 7912G will try to download the profile gkxxxxxxxxxxxx from the TFTP server. In these file names, each xx is the two-digit lowercase hexade ci mal repr ese nta ti on of each integer in the phone’s MAC address.

2. If the ldxxxxxxxxxxxx or the gkxxxxxxxxxxxx profile does not exist, the

Cisco IP Phone 7905G will try to download p rofile ldde fau lt.cf g, a nd the Cisco IP Phone 7912 G w ill try to d ownload profile gk default .cfg

Use the ldxxxxxxxxxxxx or the gkxxxxxxxxxxxx profile to configure a particular Cisco IP Phone. Use the lddefault. cfg or the gkdefault.cfg profile to simultaneously configure mu l tiple phon es of t he sa m e mo del w ith t he sa me information.

Parameter values in a profile will overwrite any values configured through the web or through the phone configura tion menus w hen the phon e powers up or refreshes.

Note If you name a profile something other than ldxxxxxxxxxxxx or gkxxxxxxxxxxxx,

you must configure DHCP with the nam e of the profile or else the phone will not recognize it.

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Related Topics

• Setting Up the TFTP Server with Cisco IP Phone Software, page 6-4

• Configuring the Cisco IP Phone to Obtain its Configuration File from the

TFTP Server, page 6-5

• Creating or Updating a Profile, page 6-9

• Using Encryption, page 6-1 5

• Refreshing or Res etting the Cisc o IP Phone, pa ge 6-17

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Chapter6 Configuring the Cisco IP Phone Models 7905G and 7912G Using a TFTP Server

Setting Up the TFTP Server with Cisco IP Phone Software

Before you can use a TFTP server to configure a Cisco IP Phone, the firmware image that you ar e usi ng fo r t he ph one m ust exist o n the TFT P se rver. To obtain the correct firmware image and install it on the TFTP server, perform the following steps.

Note You must be a registered Cisco.com user to download the firmware image.

Procedure

Step 1 Go to the following URL:

http://www.cisco.com/kobayashi/sw-center/sw-voice.shtml

Step 2 Download th e zip file that co ntai ns the softwa re for t he appli cabl e rele ase an d

firmware image you are using. The contents of each file are described next to the file n a m e .

6-4

Note A firmware image can contain a signa ture th at allows a phone t o verify

the authenticity o f the i mage. A f irm ware i mage wit h such a signat ure ha s the extension .sbin. A firmware image without such a signature has the extension .zup. For the Cisco IP Phone 7905G, you should obtain both the .sbin and the .zup versions of a firmwar e im age . Aft er a phone upg rade s to a .zup firmware image, it will request .sbin firmware images for future firmware upgrades. If a phone upgrades to a .zup firmware image released after March 26, 2003, the phone cannot be upgraded or downgraded to any other .zup firmware ima ge. I n ad dit ion, a ph one canno t be downgraded from a .sbin firmware image to a .zup firmware image. (The Cisco IP Phone 7912G is distributed with a .sbin firmware image.)

Step 3 Extract the firmware files onto the TFTP server.

This server should be the same one that will contain the binary profile file that you create as described in this chapter.

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Configuring the Cisco IPPhone to Obtain its Configuration File from the TFTP Server

Related Topics

• Using Profiles with TFTP Configuration, page 6-2

• Configuring the Cisco IP Phone to Obtain its Configuration File from the

TFTP Server, page 6-5

• Creating or Updating a Profile, page 6-9

• Using Encryption, page 6-1 5

• Refreshing or Res etting the Cisc o IP Phone, pa ge 6-17

Configuring the CiscoIP Phone to Obtain its Configuration File from the TFTP Server

This section describes the fo llowing ways in which the Ci sco IP Phone can contact the TFTP server to obtain its profile:

• Using a DHCP Server, page 6-5

–

The phone contac ts t he D HCP ser ver, which provides the I P a ddre ss o f the TFTP server

–

The phone uses the DH CP server but the DHCP se rver doe s not k now about the TFTP ser ver

• Without Using a DHCP Server, page 6-8

Using a DHCP Server

Configuration settings for a DHCP ser ver vary depe nding on w hether the DH CP server is under the control of the Cisco IP Phon e system adm inistra tor or the service provider . The simple st configurati on is when the DHCP server is u nder the control of the C isco IP Phon e ad mini str ator, in whi ch c as e t he D HC P ser ver provides the IP address of the TFTP server. Depending on who controls the DHCP server, follow the applicable configuration procedure:

• If the DHCP Server i s Unde r Contr ol o f th e Cisc o IP Phone A dmi nist rator,

page 6-6

• If the DHCP Server is not Under the Control of the Cisco IP Phone

Administrator, page 6-7

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This section also includes this topic:

• Other DHCP Options You Can Set, page 6-7

The procedures in the following sections instruct you to set various parameter values using a phone’s configuration menus or web page. For informa tion ab out phone menu configuration and parameters, see Chapter 5, “Configuring the Cisco

IP Phone Models 7905G and 7912 G Using th e Phone Men us.” For infor mation

about web page configuratio n, see Chapte r 7, “ Con figuring t he

Cisco IP Phone Models 7905G and 7912G Us ing Web Pages.” For information

about web page p ar amete rs, se e the “Network Parameters” sectio n on page 8-2. You can co nfigure parame ters thr ough configura tion menus on a phone witho ut

first obtaining network co nne ctivity for t he pho ne. If you want to configur e a parameter using the phone’s web page, you first must obtain network connectivity by statically configuring IP with the settings as explained in the “Minimum

Configuration Settings for the Cisco IP Phone Models 7905G and 7912G” section on page 3-9.

If the DHCP Server is Under Control of the Cisco IP Phone Administrator

6-6

If you as the Cisco IP Phone administrator control the DHCP server, follow these steps to make appro pria te DHCP server co nfigurat ion se tting s:

Procedure

Step 1 On the DHCP server, set one of the following options:

• DHCP option 150 (TFTP server IP add ress)

• Standard DHCP option 66 (TFTP server name)

If you use DHCP option 150, the Cisco I P Phone will ignore DHCP option 66. However, if you use DHCP option 66, you must turn off DHCP option 150 or set its value to 0.

Note You can tu rn off the DHCP optio n 150 requ est by using OpFlag s

parameter. See the “Network Parameters” section on page 8-2.

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Step 2 Make sure to use these default va lues for the follo wing conf igurati on parame ters:

• TftpURL=0

• UseTftp=1

• DHCP=1

After you complete these steps, the Cisco IP Phone will contact the DHCP server for the IP address of the TFT P ser ver that co ntai ns the Ci sco IP Phone profile.

If the DHCP Server is not Under the Control of the Cisco IP Phone Administrator

If you as the Ci sco IP Phone adm i nstrat or do no t cont rol the DH CP server, you must manually configure the URL of the TFTP server.

Procedure

Step 1 Set the TFTP Server parameter (on the phone’s Network Configuration menu) or

the TftpURL parameter (on the phone’s web page) to the IP address or the URL of the TFTP server.

Step 2 Make sure t hat the DH CP E nabl ed p aram e ter on t he p hon e's N et work

Configuration menu is set to Yes (the default value) or that the Dhcp parameter on the phone's web p ag e i s se t to 1 (the d efau lt value).

Step 3 Make sure that the TF TP Enabled pa ramet er on the phone' s Network

Configuration menu is set to Yes (the default v alue) or that the UseT ftp parameter on the phone's we b pag e i s set to 1 (the defa ult value).

After you complete these steps, the Cisco IP Phone will contact the manually-configured TFTP server tha t c onta ins th e pho ne ’s profile.

Other DHCP Options You Can Set

The DHCP server can use option 60 (DH CP_VENDO R_CLA SS_ID) to identify Cisco IP Phone models 7905G and 791 2G d evices on the net work. If s pe cific phones with specific M A C a ddresses nee d to do wn load a TFTP f ile , the f ile name

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Configuring the Cisco IP Phone to Obtain its Configuration File from the TFTP Server

can be set in the bootfile name field of the DHCP header. This field is limited to 31 characters, even though the DHCP specification allows for a longer bootfile name.

You can co nfigure the fo llowing phone co nfigurati on parame ters usi ng DHCP:

• Client IP address

• DHCP option 1: Cli ent su bne t m ask

• DHCP option 3: Rout er s on th e clie nt’s subnet

• DHCP option 6: Domain Name System (DNS) server (up to two)

• DHCP option 42: N et work Time Protoc ol ( NTP) se rver (up to two)

• DHCP option 66: TFTP server

The values for DNS server, NTP server, and TFTP server can be overwritten by values in the correspondin g parame ters in the ph one profile (DN S1IP, DNS2IP, NTPIP, AltNTPIP, and TftpURL). If these parameters are not set to 0, their v alu es are used in place of tho se corr esp ondin g values that are sup pli ed by the DH CP options.

Without Using a DHCP Server

If you are not using a DHCP server in your environment but are still using a TFTP server to obtain the Cisco IP Phone profile, follow these steps so that t he Cisco IP Phone can contact the TFTP server without using DHCP:

Procedure

Step 1 Set the DHCP Enabled parameter on the phone’s Network Configuration menu to

No or set the Dhcp parame ter on the phon e’s web page to 0.

Step 2 Set the TFTP Enab led pa rame ter on the phone’s Network Configuration menu to

Yes or set the UseT ftp para mete r on the phone ’s web page to 1.

Step 3 Set the TFTP Server parameter on the phone’ s Network Configuration menu to the

IP address or the URL of the TFT P se rver or se t the T ftpUR L par ame ter on the phone’s web page to the IP add ress o r the U RL of t he T FT P se rver.

Step 4 If you have done al read y d one so, st ati cal ly co nfigure the fo llowing par am eters

using the phone’s Network Configurat ion m en u. Thes e pa rame ter s a re r eq uire d for the phone t o obta in n etwor k co nne c tivity:

Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)

6-8

OL-4277-01

Cisco 7912G, 7905G User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

CONTENTS

Overview

Preface

Audience

Organization

Related Docu m e ntation

Obtaining Documentation

World Wide Web

Documentation CD-ROM

Obtaining Technical Assistance

Ordering Documentation

Documentation Feedback

Cisco Connection Online

Technical Assistance Center

Obtaining Additional Publications and Information

Document Conventions

Hardware Overview

Software Features

Protocols

Basic Services

Supplemental Services

SIP-Specific Services

SIP Overview

SIP Functions

SIP Components

Installing the Cisco IP Phone Models 7905G and 7912G

Prerequisites

Safety

Connecting to the Network

Providing Power to the Cisco IP Phone

Power Source Design

Redundancy Feature

Mounting the Phone to the Wall

Verifying Installation

Overview of Configuration Methods

Default Boot Load B ehavior

Specifying a Preconfigured VLAN ID or Disabling VLA N I P Encapsulation

Basic Configuration Steps in a TFTP Ser ve r Environment

Making Settings with a DHCP Server

Making Settings Manually

Basic and Additional SIP Services

Important Basic SIP Services

Required Parameters

Additional SIP Services

Establishing Authentication

Configuring Refresh Interval

Setting Up and Placing a Call Without Using a SIP Proxy

Configuring the Cisco IP Phone Models 7905G and 7912G Using the Phone Menus

Displaying a Configuration Menu

Unlocking and Locking Configuration Parameters

Editing Parameter Values

Network Configuration M enu

SIP Configuration Menu

Model Information Menu

Status Menu

Configuring the Cisco IP Phone Models 7905G and 7912G Using a TFTP Server

Using Profiles with TFTP Configu ration

Setting Up the TFTP Server with Cisco IP Phone Software

Using a DHCP Server

Without Using a DHCP Server