User Guide for the Polycom CX700 IP Phone
Displays
Symptom | Problem | Corrective Action |
|
|
|
There is no display. | Power is not correctly applied to | Do one of the following steps: |
The display is incorrect. | the Polycom CX700 IP phone. | • Check that the display is illuminated. |
| ||
The display has bad contrast. |
| • Make sure the LAN cable is inserted |
|
| properly at the side of the phone (try |
|
| unplugging and |
|
| cable). |
|
| • If using 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 Adjusting Display Brightness |
|
| on page |
|
| • Reboot the phone to obtain a default |
|
| level of contrast (refer to Updating |
|
| Configuration on page |
|
|
|
| Outbound or inbound calling is | Do one of the following steps: |
| unsuccessful. | • 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 types of older fluorescent | Do one of the following steps: |
| lighting may cause the display to | • Move the Polycom CX700 IP phone |
| appear to flicker. | |
| away from the lights. | |
|
| |
|
| • Replace the lights. |
|
|
|
4 - 8
