Polycom SOUNDPOINT SIP 2.2.0 - Manual (Page 111)

Troubleshooting Your SoundPoint IP / SoundStation IP Phones
5 - 13
Displays
Symptom Problem Corrective Action
There is no display.
The display is incorrect.
The display has bad contrast.
Power is not correctly applied to
the SoundPoint IP family SIP
phone. Do one of the following:
• 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.
The contrast needs adjustment. Do one of the following:
• Refer to the appropriate SoundPoint
IP / SoundStation IP SIP phone User
Guide.
• Reboot the phone to obtain a default
level of contrast (refer to
Rebooting
the Phone on page C-9 ).
Outbound or inbound calling is
unsuccessful. Do one of the following:
• 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.
The display is flickering. Certain type of older fluorescent
lighting causes the display to
appear to flicker. Do one of the following:
• Move the SoundPoint IP /
SoundStation IP SIP phone away
from the lights.
• Replace the lights.