Dears
this is hossam from jordan
when the SAU server (A) send an invite message to CommuniGate PBX (B) , the
call occured with nothing heared from the PBX IVR system, after checking the
Sip call flow on the trace we found that the last Ack after the 200 ok message
sent in the "TO" field instead of "CONTACT" field as appeared which is not the
same as that in RFC 3261, how can we solve this issue and force the CommuniGate
to accept the ACK message .
hope to hear from you
many thanx
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