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
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