C H A P T E R
12
Troubleshooting and Maintenance
This chapter provides information that can assist you in troubleshooting problems with your Cisco Unified
IP Phone or with your IP telephony network. The chapter also explains how to maintain your voice network
and clean your phone.
If you need additional assistance to resolve an issue, see
Documentation, support, and security guidelines,
on page xxii
.
This chapter includes these topics:
•
•
Troubleshooting
Use the following sections to troubleshoot problems with the phones:
Startup Problems
After you install a Cisco Unified IP Phone into your network and add it to Cisco Unified Communications
Manager, the phone should start up as described in
Phone Startup Verification, on page 68
.
If the phone does not start up properly, see the following sections for troubleshooting information:
Cisco Unified IP Phone Does Not Go Through Normal Startup Process
Problem
When you connect a Cisco Unified IP Phone to the network port, the phone does not go through the normal
startup process as described in
Phone Startup Verification, on page 68
and the phone screen does not display
information.
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
(SIP)
267
