41-001343-01 Rev 02, Release 3.2.2
9-1
Chapter 9
Troubleshooting
About this chapter
Introduction
This chapter describes tasks that a system administrator can perform on the IP phones for
troubleshooting purposes. It also includes answers to questions you may have while using the IP
phones.
Topics
This chapter covers the following topics:
Topic
Page
Troubleshooting
page 9-2
Log Settings
page 9-2
Module/Debug Level Settings
page 9-3
Support Information
page 9-5
WatchDog Task Feature
page 9-9
Error Messages Display
page 9-11
Configuration and Crash File Retreival
page 9-15
Troubleshooting Solutions
page 9-19
Why does my phone display “Application missing”?
page 9-19
Why does my phone display the “No Service” message?
page 9-20
Why does my phone display "Bad Encrypted Config"?
page 9-20
Why is my phone not receiving the TFTP IP address from the DHCP Server? page 9-21
How do I restart the IP phone?
page 9-22
How do I set the IP phone to factory default?
page 9-23
How do I erase the phone’s local configuration?
page 9-24
How to reset a user’s password?
page 9-25
How do I lock and unlock the phone?
page 9-27