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Troubleshooting Your SoundPoint IP 330/320 Phone
5 - 7
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 330/320
phone.
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.
The contrast needs adjustment. Do one of the following steps:
• Refer to Display Contrast on page 2-3.
• Reboot the phone to obtain a default
level of contrast (refer to Restarting
Your Phone on page 4-17).
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.
The display is flickering. Certain type of older fluorescent
lighting causes the display to
appear to flicker.
Do one of the following steps:
• Move the SoundPoint IP 330/320 SIP
phone away from the lights.
• Replace the lights.