Avaya 4602 User Manual page 26

Basic Troubleshooting Chart
Problem/Symptom
Display shows an
error/informational message
Audio quality is poor,
specifically, you hear an echo
while using a handset or
static, sudden silences (gaps
in speech), clipped or garbled
speech, etc.
No dial tone
Phone does not ring
Speakerphone does not
operate
3-6
Issue 1 August 2002
Chapter 3: Telephone Management and
Suggested Solution
Most messages involve server/phone
interaction. If you cannot resolve the
problem based on the message received,
contact your System Administrator for
resolution.
Various potential network problems may
be causing the problem.
Contact your LAN Administrator with as
complete a description of the problem as
possible.
Make sure both the handset and line cords
into the phone are securely connected.
Note that there may be a slight operational
delay if you unplug and reconnect the
phone.
Reset the phone. (See the section titled
Resetting and Power Cycling the IP
Telephone for details.)
See your System Administrator if the
above steps do not produce the desired
result.
Set your ringer volume to a higher level
using the Up/Down Volume keys.
From another phone, place a call to your
extension to test the above suggested
solution.
Ask your System Administrator if your
Speakerphone has been disabled.
Note that the Speakerphone is one-way,
listen-only; when it is on, you can hear the
other party but he or she cannot hear you.
Troubleshooting