Specifications

Table Of Contents
CHAPTER
9-1
Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
9
Troubleshooting the Cisco Unified
Wireless IP Phone 7921G
This chapter provides information that can assist you in troubleshooting problems
with your Cisco Unified Wireless IP Phone, in your IP telephony network, or with
using the Cisco
Unified Wireless IP Phone 7921G web pages.
For additional troubleshooting information, you can refer to the Cisco Unified
CallManager Troubleshooting Guide.
This chapter includes the following sections:
Resolving Startup and Connectivity Problems, page 9-1
Resolving Voice Quality and Roaming Problems, page 9-11
General Troubleshooting Information, page 9-20
Erasing the Local Configuration, page 9-25
Resolving Startup and Connectivity Problems
After installing a unified IP phone on your network and adding it to
Cisco
Unified CallManager, the phone should start up as described in the
“Understanding the Phone Startup Process” section on page 3-26. If the phone
does not start up properly, see the following sections for troubleshooting
information:
Symptom: The unified IP phone Does Not Complete the Normal Start Up
Process, page 9-2