9-1 41-001343-02 REV04 – 05.2014
Chapter 9
Troubleshooting
About this Chapter
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:
Top ic Page
Troubleshooting page9-2
Log Settings page9-2
Module/Debug Level Settings page9-2
Support Information page9-4
WatchDog Task Feature page9-6
Error Messages Display page9-8
Warning Message Display page9-9
Configuration and Crash File Retrieval page9-9
Troubleshooting Solutions page9-12
Why does my phone display “Application missing”? page9-12
Why does my phone display the “No Service” message? page9-12
Why does my phone display "Bad Encrypted Config"? page9-13
Why is my phone not receiving the TFTP IP address from the DHCP Server? page9-13
How do I restart the IP phone? page9-14
How do I set the IP phone to factory default? page9-15
How do I erase the phone’s local configuration? page9-16
How to reset a user’s password? page9-17
How do I lock and unlock the phone? page9-19
