Displays - Polycom SoundPoint IP 650 User Manual

Displays

Symptom
There is no display.
The display is incorrect.
The display has bad contrast.
The display is flickering.
Problem
Power is not correctly applied to
the SoundPoint IP 650 phone.
The contrast needs adjustment.
Outbound or inbound calling is
unsuccessful.
Certain type of older fluorescent
lighting causes the display to
appear to flicker.
Troubleshooting Your SoundPoint IP 650 SIP Phone
Corrective Action
Do one of the following steps:
• Check that the display is illuminated.
• Make sure the LAN cable is inserted
properly at the side 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.
Do one of the following steps:
• Refer to Display Contrast
• Reboot the phone to obtain a default
level of contrast (refer to
Your Phone on page 4-17).
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.
Do one of the following steps:
• Move the SoundPoint IP 650 SIP
phone away from the lights.
• Replace the lights.
on page 2-3.
Restarting
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