Avaya 555-233-781 - Manual (Page 79)

Troubleshooting 4620/4620SW/4621SW Applications
Issue 4 November 2006 79
Troubleshooting 4620/4620SW/4621SW Applications
Audio quality is poor,
specifically, you hear an echo
while using a handset, static,
sudden silences (gaps in
speech), clipped or garbled
speech, etc. Various potential network problems might be causing the problem.
Access the Network Audio Quality screen (described in
Viewing the
Network Audio Quality in Chapter 6: 4620/4620SW/4621SW IP
Telephone Options ) to provide your System Administrator with
specific information related to this problem.
Contact your LAN Administrator with as complete a description of the
problem as possible.
No dial tone. Check that both the handset and line cords into the phone are
securely connected. Note that there might be a slight operational
delay if you unplug and reconnect the phone.
Reset or power cycle the phone with your System Administrator’s
assistance. (See the section titled
Resetting and Power Cycling the
IP Telephone for details.)
Contact your System Administrator if these steps do not produce the
desired result.
A feature does not work as
indicated in this guide (for
example, the Redial button
does not operate as
described). Verify the procedure and retry. For certain features, you must lift the
handset first or place the phone off-hook.
Contact your System Administrator if this action does not produce the
desired result. Your telephone system might have been specially
programmed for certain features applicable only to your installation.
All other IP phone problems. Contact your System Administrator.
Problem/Symptom Suggested Solution (continued)
2 of 2
Problem/Symptom Suggested Resolution
GENERAL:
A feature does not work as
indicated in this guide, or does
not work as it had previously
worked.
Verify the procedure and retry.
Check below to troubleshoot the specific application with which
you are working.
Ensure that any options have not been changed.
Contact your System Administrator if these actions do not produce
the desired result.
You are logging on to a new
telephone and your old data and
settings are not being displayed. Your new telephone is not retrieving data from the same location
as your original telephone, or you need to provide a User Name
and Password. Follow the procedure in
Setting the Automatic
Backup Option to administer your current telephone with the
necessary parameters. If this procedure does not solve the
problem, contact your System Administrator.
1 of 2