Telephone Management and Troubleshooting
Basic Troubleshooting Chart
Problem/Symptom | Suggested Solution |
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Phone does not activate after 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
Phone does not activate after a power interruption.
Allow a few minutes for
Phone worked earlier but | Contact your System Administrator. |
does not currently appear to |
|
work. |
|
Speaker does not operate.
Phone does not ring.
Display shows an error/ informational message.
Characters do not appear on the Display screen.
Ask your System Administrator if your Speaker was disabled.
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.
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
If you cannot resolve the problem based on the message received, contact your System Administrator for resolution.
See “Phone does not activate after connecting it the first time.”
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
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78 4620/4620SW/4621SW IP Telephone User Guide