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User Guide SoundPoint IP 670 Phone
Symptom
The phone does not ring.
"Service Unavailable" appears
on the graphic display.
6 - 6
Problem
Ring setting or volume is low.
Outbound or inbound calling is
unsuccessful.
You turned off the ringer.
The user pressed 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.
Corrective Action
Do one of the following steps:
•
Adjust the ringing level from the front
panel using the volume up/down keys
•
Check status of handset, headset (if
connected), and Hands-Free
Speakerphone.
Do one of the following steps:
•
Place a call to the phone under
investigation. Check that the display
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
display changes in response.
Do one of the following steps:
•
During an incoming call, lift the
handset, press the Speakerphone
key or press the Headset key to
obtain a dial tone.
•
Press the ringing Line Key or the
Answer soft key to answer the call.
•
If the handset is off-hook when you
press the Answer soft key or the Line
Key, the call is routed to the handset.
•
If the handset is on-hook when you
press the Answer soft key or Line
Key, the call is routed to the speaker.
Check with your system administrator to
see when your phone will be registered.
.
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