Aastra Telecom SIP 480I - Manual (Page 275)

41-001129-00 Rev 09, Release 1.4.1 9-1
T
roubleshooting
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
Troubleshooting Solutions page 9-6
Why does my phone display “Application missing”? page 9-6
Why does my phone display the “No Service” message? page 9-7
Why does my phone display "Bad Encrypted Config"? page 9-7
Why is my phone not receiving the TFTP IP address from the DHCP
Server? page 9-8
How do I restart the IP phone? page 9-9
How do I set the IP phone to factory default? page 9-11
How to reset a user’s password? page 9-14