Touch Screen Issues; Screen And System Access Issues - Polycom CX5500 Administrator's Manual

Polycom CX5500 Unified Conference Station Administrator's Guide
The phone will not boot.
If your phone will not boot, there may be a corrupt or invalid firmware image or configuration on the phone:

Ensure that the provisioning server is accessible on the network and a valid software load and valid
configuration files are available.

Ensure that the phone is pointing to the provisioning server on the network.

Reboot the phone.

Touch Screen Issues

The LCD touch screen menu includes a panel in which you can test the sensitivity of the touch screen.
Navigate to Settings > Status > Diagnostics >Test Hardware > Touch Screen Diagnostics to test the
touch screen.

Screen and System Access Issues

The table Troubleshooting Screen and System Access Issues
system access issues.
Troubleshooting Screen and System Access Issues
There is no response from feature key presses.
If your phone is not in the active state, do one of the following:

Press the keys more slowly.

Check to see whether or not the key has been mapped to a different function or disabled.

Make a call to the phone to check for inbound call display and ringing. If successful, try to press feature
keys while a call is active to access a Directory or Buddy Status, for example.

Navigate to Settings > Status > Lines to confirm the line is actively registered to the call server.

Reboot the phone to attempt re-registration to the call server (navigate to Settings > Advanced > Reboot
Phone)
The display shows the message Network Link is Down.
If you see this message, the LAN cable is not properly connected. Do one of the following:

Check termination at the switch or hub (furthest end of the cable from the phone).

Check that the switch or hub is operational (flashing link/status lights).

Press Settings > Status > Network. Scroll down to verify that the LAN is active.

Ping the phone from another machine.

Reboot the phone to attempt re-registration to the call server (navigate to Settings > Advanced > Reboot
Phone).
Polycom, Inc.
describes possible solutions to screen and
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