Cisco 7960 Administration Guide

Contents
viii
Cisco IP Phone Administration Guide for Cisco CallManager 3.2, Cisco IP Phones 7960/7940/7910
78-10453-04
Symptom: Cisco IP Phone Not Registering with Cisco CallManager 6-17
Identifying Error Messages 6-17
Registering the Phone with Cisco CallManager 6-18
Checking Network Connectivity 6-18
Verifying TFTP Server Settings 6-18
Verifying IP Addressing and Routing 6-19
Verifying DNS Settings 6-19
Verifying Cisco CallManager Settings 6-20
Cisco CallManager and TFTP Services Are Not Running 6-20
Creating a New Configuration File 6-21
Symptom: Cisco IP Phone Resetting 6-21
Verifying Physical Connection 6-22
Identifying Intermittent Network Outages 6-22
Verifying DHCP Settings 6-23
Checking Static IP Address Settings 6-23
Verifying Voice VLAN Configuration 6-23
Verifying that the Phones Have Not Been Intentionally Reset 6-23
Eliminating DNS or Other Connectivity Errors 6-24
Resolving Known Issues 6-25
Technical Specifications A-1
Physical and Operating Environment Specifications A-1
Cable Specifications A-2
Network and Access Port Pinouts A-2
I NDEX

Cisco 7960 Specifications

General

Codecs	G.711, G.729a
Protocol Support	SCCP, SIP
Ethernet Ports	2 x 10/100 Ethernet ports
Power Options	Power over Ethernet (PoE), AC adapter
Audio	Full-duplex speakerphone
Buttons	6 line buttons
Weight	3.5 pounds