Problem with signalling - RTP gets lost!
Rtpproxy not working properly?
I am absolutely stuck ... cause this happens in a live environement.
I have the following situation
A calls B over carrier 1 - number is not valid and I get back error 404 from
carrier and now freeswitch should play a message saying: "number not valid".
But from carrier 1 I get back an RTP stream that is useless [1] - and if the
correct streams opens from freeswitch - this does not get back to A [2].
I tested with rtpproxy on Kamailio - and all the rtp streams arrive at the
Kamailio - but they cannot be "connected" correctly.
I guess the problem is the 183 I get back from carrier 1 - after whitch rtp is
opened.
Or there is a wrong sdp singallisation if the "correct" stream arrives [3].
Sorry - I cannot get a solution - but I could provide various tcpdumps and
pcaps.
A Kamailio Carrier 1 Freeswitch
INVITE
--------------------->
100 Your call is important
<---------------------
INVITE
------------------------>
100 Trying
<------------------------
183 Session Progress SDP
<------------------------
183 Session Progress SDP
<------------------------
RTP
<=================
RTP
<=================
RTP
=================>
RTP
=================> [1]
404 not found
<---------------------------
ACK
---------------------------->
INVITE
--------------------------------------------------------->
100 Trying
<--------------------------------------------------------
200 OK SDP
<-------------------------------------------------------- [3]
200 OK SDP
<---------------------------
RTP (Announcment - number not valid") [2]
<===================================
ACK
---------------------------->
ACK
---------------------------------------------------------->
INFO
---------------------------->
INFO
---------------------------------------------------------->
200 OK
<--------------------------------------------------------
200 OK
<---------------------------
BYE
---------------------------->
BYE
---------------------------------------------------------->
200 OK
<--------------------------------------------------------
200 OK
<---------------------------
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