Avaya 555-233-781 사용자 설명서
Telephone Management and Troubleshooting
78 4620/4620SW/4621SW IP Telephone User Guide
Basic Troubleshooting Chart
Problem/Symptom
Suggested Solution
Phone does not activate after
connecting it the first time.
connecting it the first time.
Unless your System Administrator has already initialized your
telephone, you might experience a delay of several minutes before it
becomes operational. Upon plug-in, your telephone immediately
starts downloading its operational software, its IP Address, and any
special features programmed by your System Administrator from the
server to which it is connected. Report any delay of more than 10
minutes to your System Administrator.
telephone, you might experience a delay of several minutes before it
becomes operational. Upon plug-in, your telephone immediately
starts downloading its operational software, its IP Address, and any
special features programmed by your System Administrator from the
server to which it is connected. Report any delay of more than 10
minutes to your System Administrator.
Phone does not activate after
a power interruption.
a power interruption.
Allow a few minutes for re-initialization after unplugging, powering
down the phone, server problems, or other power interruption
causes.
down the phone, server problems, or other power interruption
causes.
Phone worked earlier but
does not currently appear to
work.
does not currently appear to
work.
Contact your System Administrator.
Speaker does not operate.
Ask your System Administrator if your Speaker was disabled.
Phone does not ring.
Use the Up/Down Volume keys to set your ringer volume to a higher
level.
From another phone, place a call to your extension to test this
suggested solution.
level.
From another phone, place a call to your extension to test this
suggested solution.
Display shows an error/
informational message.
informational message.
Most messages involve server/phone interaction.
If you are on a call and the display suddenly shows “Discovering...,”
the network connection between the telephone and the call server
was interrupted, but your call stayed connected. The telephone
automatically starts to re-register with the call server, but until
re-registration succeeds, you do not have access to switch features
and functionality such as Transfer, or to administered Feature
buttons.
If you cannot resolve the problem based on the message received,
contact your System Administrator for resolution.
If you are on a call and the display suddenly shows “Discovering...,”
the network connection between the telephone and the call server
was interrupted, but your call stayed connected. The telephone
automatically starts to re-register with the call server, but until
re-registration succeeds, you do not have access to switch features
and functionality such as Transfer, or to administered Feature
buttons.
If you cannot resolve the problem based on the message received,
contact your System Administrator for resolution.
Characters do not appear on
the Display screen.
the Display screen.
”
Check all lines into the phone to ensure that it is properly connected.
Check the power source to ensure that your telephone is receiving
power.
Perform the following Test procedure: with the telephone idle
(on-hook), press and release the Mute button. Then press the
following numbers on the dialpad: 8 3 7 8 # (which stands for TEST).
The display should indicate the self-test has started, then report if the
test was successful or failed. If nothing appears on the display, and
the phone is receiving power, your phone might need to be replaced.
If these suggested solutions do not resolve the problem, reset or
power cycle the phone with your System Administrator’s assistance.
Check the power source to ensure that your telephone is receiving
power.
Perform the following Test procedure: with the telephone idle
(on-hook), press and release the Mute button. Then press the
following numbers on the dialpad: 8 3 7 8 # (which stands for TEST).
The display should indicate the self-test has started, then report if the
test was successful or failed. If nothing appears on the display, and
the phone is receiving power, your phone might need to be replaced.
If these suggested solutions do not resolve the problem, reset or
power cycle the phone with your System Administrator’s assistance.
1 of 2