Polycom SoundPoint 550 User Manual page 103

Symptom
The phone does not ring.
"Service Unavailable" appears
on the screen.
The line icon shows an
unregistered line icon.
Problem
Ring volume is low.
Outbound or inbound calling is
unsuccessful.
The ringer is in silent mode.
The phone, call server,
configuration, or organization
settings do not support the
feature you are trying to access.
The phone line is unregistered.
Troubleshooting Your Phone
Corrective Action
Do one of the following:
• Adjust the ringing level from the front
panel using the volume up/down keys
• Check the Alerting Destination from
Menu > Basic > Settings >
Preferences > Audible Ringer.
Do one of the following:
• Place a call to the phone under
investigation. Check that the screen
indicates incoming call information.
• Lift the handset. Ensure the dial tone
is present and place a call to another
extension or number. Check that the
screen changes in response.
Do one of the following:
• Change the Ring Tone from Menu >
Settings > Basic > Ring Type.
Contact your system administrator.
Contact your system administrator.
.
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