[OpenSIPS-Users] Help with B2B marketing scenario - receiving 491 Request Pending from GW
bogdan at opensips.org
Mon Mar 20 10:46:38 EDT 2017
Could you post a pcap showing the whole flow from the B2B perspective -
it will simpler to understand the problem.
OpenSIPS Founder and Developer
OpenSIPS Summit May 2017 Amsterdam
On 03/14/2017 02:51 PM, Andreas Bøckmann wrote:
> I am trying to use the B2B marketing scenario example as shown here
> <https://www.opensips.org/Documentation/Tutorials-B2BUA#toc14> with
> the exception that I have another OpenSIPS instance running between
> B2B and other parties except MediaServer.
> opensipsctl fifo b2b_trigger_scenario marketing
> sip:+4712345 at my.domain.com <mailto:sip%3A%2B4712345 at my.domain.com>
> sip:+4723456 at 22.214.171.124 <mailto:sip%3A%2B4723456 at 126.96.36.199>
> sip:+4723456 at my.domain.com <mailto:sip%3A%2B4723456 at my.domain.com>
> This executes as something like:
> a) B2B sends INVITE to Proxy (my.domain.com <http://my.domain.com>)
> towards 4712345.
> b) Proxy sends this call to PSTN-GW and it works
> c) B2B sends INVITE to MediaServer (188.8.131.52) and RTP flows correctly.
> d) B2B received BYE from MediaServer
> e) B2B sends INVITE to Proxy (my.domain.com <http://my.domain.com>)
> towards 4723456
> f) Proxy sends this call to PSTN-GW
> g) PSTN-GW responds 491 Request Pending for this call
> My B2B is running the script found here
> <http://pastebin.com/gjYZjQq6> and the Proxy is running the script
> found here <http://pastebin.com/7Zge8jZM>
> RFC 3261, 14.1 UAC Behavior States:
> UAC MUST NOT initiate a new INVITE transaction within a dialog while
> another INVITE transaction is in progress in either direction. If
> there is an ongoing INVITE client transaction, the TU MUST wait until
> the transaction reaches the completed or terminated state before
> initiating the new INVITE.
> Can anybody help me spot where my error is?
> Thank you!
> Kind regards,
> Users mailing list
> Users at lists.opensips.org
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