Troubleshooting; Basic Troubleshooting; Table 9. Basic Troubleshooting - ADTRAN IP 706 Administrator's Manual

IP 700 Series Phone Administrator Guide
9.

TROUBLESHOOTING

This section provides tables listing common problems and their resolutions, as well as instructions for
performing specific tasks to correct errors with your phone. The following topics are covered in this
section:
• Basic Troubleshooting on page 49
• Advanced Troubleshooting on page 50
• Accessing the Phone Status Display Menus on page 51
• Diagnostic Tests on page 52
• Resetting the Phone on page 55
• Restoring Factory Defaults on page 55
• Deleting a Personal Phone Book on page 55

Basic Troubleshooting

Table 9 below lists basic problems that may occur with your IP phone, along with their suggested solutions.
Problem Description
Phone does not activate when it's plugged in
and nothing appears on the display.
Phone has information on the display, but does
not respond to pressed keys.
Display shows an error or informational
message.
Audio quality is poor on both the handset and
speaker. You hear clipped, garbled, or severely
delayed speech.
No audio from the handset, but the speaker
works.
The Web interface doesn't work or only works
intermittently.
6AOSAG0001-31A

Table 9. Basic Troubleshooting

The phone may not be receiving power. Make sure
the Ethernet cable is plugged into the correct jack and
that the power source is plugged into a working outlet.
Restart the phone by unplugging the Ethernet cable
from the jack and plugging it back in.
Check the
50 for the specific error message.
Various potential network issues may be causing this
problem. Contact your network administrator and
provide information about the time and duration of the
event.
Make sure the handset is properly plugged into the
phone. Try swapping a handset from a similar phone
to see if the handset or cord is defective.
Your company may be using a proxy server. To
bypass it when accessing your phone, follow the
procedure in
on page
changed since the user last accessed their Web
interface. Be sure you are using the proper IP address
to connect to the phone by reviewing the instructions
in Using the Administrator's Web Interface on page
22.
Copyright © 2011 ADTRAN, Inc.
Solution Suggestion
Advanced Troubleshooting Chart on page
Using the Administrator's Web Interface
22. The phone's IP address may also have

Troubleshooting

49