Displays - Polycom CX700 User Manual

User Guide Polycom CX700 IP Phone

Displays

Symptom
There is no display.
The display is incorrect.
The display has bad contrast.
The display is flickering.
4 - 8
VoIPon www.voipon.co.uk
Problem
Power is not correctly applied to
the Polycom CX700 IP phone.
The contrast needs adjustment.
Outbound or inbound calling is
unsuccessful.
Certain types of older fluorescent
lighting may cause the display to
appear to flicker.
sales@voipon.co.uk
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 PoE, have your system
administrator check that the switch is
supplying power to the phone.
Do one of the following steps:
• Refer to Display Brightness
2-5.
• Reboot the phone to obtain a default
level of contrast (refer to
Your Phone
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 Polycom CX700 IP phone
away from the lights.
• Replace the lights.
Tel: +44 (0)1245 808195
on page
Restarting
on page 4-8).
Fax: +44 (0)1245 808299