Instruction manual

IP 700 Series Phone Administrator Guide Troubleshooting
6AOSAG0001-31A Copyright © 2011 ADTRAN, Inc. 49
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.
Table 9. Basic Troubleshooting
Problem Description Solution Suggestion
Phone does not activate when it’s plugged in
and nothing appears on the display.
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.
Phone has information on the display, but does
not respond to pressed keys.
Restart the phone by unplugging the Ethernet cable
from the jack and plugging it back in.
Display shows an error or informational
message.
Check the Advanced Troubleshooting Chart on page
50 for the specific error message.
Audio quality is poor on both the handset and
speaker. You hear clipped, garbled, or severely
delayed speech.
Various potential network issues may be causing this
problem. Contact your network administrator and
provide information about the time and duration of the
event.
No audio from the handset, but the speaker
works.
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.
The Web interface doesn’t work or only works
intermittently.
Your company may be using a proxy server. To
bypass it when accessing your phone, follow the
procedure in Using the Administrator’s Web Interface
on page 22. The phone’s IP address may also have
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.