Voice Gateway Media Card maintenance Page 761 of 910
IP Line Description, Installation and Maintenance
Note: If the DSP self-test fails, the Voice Gateway Media Card must be
replaced.
• To run a PCM loopback test, a Send loopback test, or a Receive loopback
test on the DSP daughterboard, respectively:
DSPPcmLpbkTestOn (“DSPPcmLpbkTestOff” to stop the test)
DSPSndLpbkTestOn (“DSPSndLpbkTestOff” to stop the test)
DSPRcvLpbkTestOn (“DSPRcvLpbkTestOff” to stop the test)
Note: The DSPs and all associated ports must be disabled before
performing these tests.

Work with alarm and log files

Alarm and log file output is turned on using the IPL> CLI. The following
commands can be performed at the IPL> prompt:
• To turn on or turn off the error log file, type: logFileOn or logFileOff.
• To display the modes of all log files and alarms, type: logFileShow.

Troubleshoot an IP Phone installation

If an IP Phone cannot be installed because the prompt for the node ID or TN
does not display, follow the steps in Procedure 104.
Procedure 104
Troubleshooting an IP Phone installation
1Log into one Voice Gateway Media Card in the node.
2Type the nodePwdShow command at the IPL> prompt.