Troubleshooting Guide 26 Document #: LTRT-57601
MediaPack, Mediant 1000, Mediant 2000
Possible Cause Solution
6.
The FXO interface does not
send a SIP 200 OK response
message to the IP side.
The FXO should send a SIP 200 OK response message to
the IP side that originally sent the INVITE request message.
In the Syslog, ensure that the following message appears:
---- Outgoing SIP Message to
NOTICE: SIP/2.0 200 OK
If this message does not appear, perform the following:
1 If the PBX implements Polarity Reversal, ensure that
EnableReversalPolarity is set to 1 (the device sends SIP
200 OK message only upon detection of polarity
reversal). Otherwise, ensure that EnableReversalPolarity
is set to 0.
2 Check the settings of the parameter
EnableVoiceDetection.
9 If it is set to 1, the device sends 200 OK (to INVITE)
messages when speech is detected from the Tel
side. Therefore, start speaking immediately after
answering the PBX phone.
9 If it is set to 0, the device immediately sends 200 OK
messages after the device completes dialing to the
Tel side.
If the problem persists despite all the previous
troubleshooting, send the AudioCodes Technical Support
team the following information:
The device's ini file
A Syslog trace
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