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Troubleshooting Your SoundPoint
®
IP 670 Desktop Phone
6 - 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 670 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 Power over Ethernet (PoE),
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 Changing the Display
Contrast on page 2-3.
• To obtain a default level of contrast,
reboot the phone. (Refer to Restarting
Your Phone on page 4-18).
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 the dial tone
is present and place a call to another
extension or number. Check that the
display changes in response.
The display flickers. A certain type of older
fluorescent lighting causes the
display to appear to flicker.
Do one of the following steps:
• Move the SoundPoint IP 670 SIP
phone away from the lights.
• Replace the lights.