Polycom 560 - Manual (Page 81)

Troubleshooting Your SoundPoint IP® 560 Phone
5 - 5
Calling
Symptom Problem Corrective Action
There is no dial tone. Power is not correctly applied to
the SoundPoint IP 560 phone. Do one of the following steps:
• Check that the display is illuminated.
• Make sure the LAN cable is inserted
properly at the rear of the phone (try
unplugging and re-inserting the
cable).
• If using in-line powering, have your
system administrator check that the
switch is supplying power to the
phone.
Dial tone is not present on one of
audio paths. Do one of the following steps:
• Switch between Handset, Headset (if
present) or Hands-Free
Speakerphone to see if dial tone is
present on another paths.
• If dial tone exists on another path,
connect a different handset or
headset to isolate the problem.
The phone does not ring. Ring setting or volume is low. Do one of the following steps:
• Adjust the ringing level from the front
panel using the volume up/down keys
.
• Check same status of handset,
headset (if connected) and through
the Hands-Free Speakerphone.
Outbound or inbound calling is
unsuccessful. 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 dial tone is
present and place a call to another
extension or number. Check that the
display changes in response.