Troubleshooting Guide 40 Document #: LTRT-57601
MediaPack, Mediant 1000, Mediant 2000
Possible Cause Solution
7.
If none of the above solves the
problem.
1 Connect a phone to the analog line of the PBX (instead
of the FXO device) and then verify that the phone
displays the caller ID.
2 If the FXO device still does not detect the caller ID signal
that is sent by the PBX, record the signal using the
procedure below and send it to AudioCodes Technical
Support (along with the ini file and a debug level 5
Syslog trace).
¾ To record the caller ID signal that is sent by the PBX to the FXO,
take the following steps:
1. In the 'Tel to IP Routing' table, route everything to the PC that you use for capturing.
2. Configure the following ini file parameters:
• FXOSeizeLine = 0.
• RTPOnlyMode = 1 (or 2) – this allows the RTP to be sent without SIP signaling.
• Set the Coder to G.711.
• EnableCallerID = 0.
• RingsBeforeCallerID = 0.
• Set the automatic dialing to hotline, for example: TargetOfChannel7 = 9005,2
• HotLineToneDuration = 0.
• CallerIDTransportType = 0
3. These settings force the FXO to send RTP to your PC, by seizing the line immediately
after receiving the first ring. Capture the RTP using Wireshark (refer to ''Wireshark
Network Sniffer'' on page 69)
or you can also use DSP traces. Send the file to
AudioCodes Technical Support.
Note: To stop the RTP stream, reset the port using the Web interface, by clicking
the port icon in the ‘Home’ page.
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