if so, I cannot help you further ...I have no knowledge about MP :(
regards,
bogdan
Dave wrote:
I did. The RTP stream is flowing from UA To the MP/Port:35774 and from
the PSTN GW to the MP/Port:35774. So theoretically MP shold be
"proxying" the stream but it is not? What can I do?
Thanks a lot.
Dave
*/Bogdan-Andrei Iancu <[EMAIL PROTECTED]>/* wrote:
Hi Dave,
if you already checked the signalling (the ip ans ports in SDP) and
everything is fine (all properly mangled for nat), you should make a
network trace to see the flow of RTP streams - how ans where is
sending RTP.
regards,
bogdan
Dave wrote:
> I had posted the following a few days ago and received no response.
> Can someone please help!
> Hello,I have the following setup:
>
> UA<->NAT<-->SER/MediaProxy<->Prepaid(B2BUA)<-->PSTNGW
> |
> IVR
>
> Nat'd user calls a number that is forwarded (t_relay)
> to Prepaid and the user is prompted for
> PIN#/Destination Phone# and all works fine. Mediaproxy
> is invoked and a mediaproxy port# (35774) is assigned
> during the whole process.
>
> Once the user enters the destination number, the
> Prepaid forwards the call to the PSTNGW and the PSTN
> phone rings (Call signalling working fine). When the
> PSTN phone is answered, no media can be heard!!!
>
> I did some investigation and here is what is
> happening:
>
> Once the user enters the destination# to dial, The
> Prepaid/B2BUA does two things:
>
> 1) Sends a re-invite to put the UA on hold.
> 2) Sends an INVITE to the PSTN GW and retrieves the
> SDP from the response from PSTN GW
> 3) Sends a second-reinvite to the UA via SER with the
> SDP info of the PSTNGW
> 4) SER invokes the mediaproxy (since it is reinvite)
> and assigns the SAME MEDIAPROXY PORT# as earlier on
> when the media was flowing fine (SDP has audio port#
> 35774)
> 5) SER forwards the re-INVITE TO UA
> 6) UA responds with a 200 OK and sends 200 OK to SER.
> SER agains invokes mediaproxy and assigns the SAME
> MEDIAPROXY PORT# (audio port 35774) and forwards the
> response to Prepaid (which sends it to PSTNGW).
>
> I checked on Cisco PSTNGW that it is creating a
> session with the mediaproxy (port:35774). BUT NO AUDIO
> CAN BE HEARD IN ANY DIRECTION.
>
> Can anyone please help? Is this a mediaproxy issue
> that when reinvites are sent and mediaproxy is invoked
> multiple times, issues arise?
>
> I am running the latest mediaproxy
> version.
>
>
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