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Troubleshooting Your Phone
5 - 5
“Service Unavailable” appears
on the graphic display.
The user tapped the New Call
soft key, dialed a number with the
handset on-hook, or attempted to
make a call from the contact
directory when the phone was
not registered.
Check with your system administrator to
see when your phone will be registered.
You cannot place a call. The call was placed using the
incorrect protocol.
Verify that you are using a line that is
registered to use the appropriate protocol.
Do the following:
1. Tap > Status > Lines.
2. Select the line you used to make the
call.
The following figure shows three
registered lines and the protocol used for
each line.
The phone is unable to place or
receive H.323 calls.
The license file does not exist or
has expired.
See your system administrator.
Symptom Problem Corrective Action