Hi, does anyone have any ideas on this issue ? I'm using opensips 1.11 by the way.
Many thanks, Giuseppe ----- Messaggio originale ----- > Da: "Giuseppe Cardone" <[email protected]> > A: "OpenSIPS users mailling list" <[email protected]> > Inviato: Sabato, 9 agosto 2014 18:39:42 > Oggetto: b2b module issue with PRACK on multiple provisional > responses > Hi, > I'm trying out the b2b module on opensips and have encountered an > issue regarding PRACK. > In particular I have a scenario where the called number replies with > a 183 session progress (Require: 100rel and RSeq: 1) and then a few > seconds later with a 180 Ringing (Require: 100rel and RSeq: 2). > What happens is that opensips correctly replies with a PRACK to the > 183 response but then doesn't do the same when it receives the 180 > provisional response. > Excerpts from the logs show this happening when the 183 message is > received: > Aug 9 17:31:14 [2528] DBG:b2b_entities:b2b_tm_cback: Found require > hdr > Aug 9 17:31:14 [2528] DBG:b2b_entities:b2b_tm_cback: Found 100rel > header > Aug 9 17:31:14 [2528] DBG:b2b_entities:b2b_send_req: start type=1 > but when the 180 response arrives, there are no similar entries. > It is my understanding that from a SIP signalling point of view the > b2b module should reply with a PRACK to the 180 response too or am I > missing something ? > Any ideas as to why this may be happening or could it be a bug ? > Many thanks, > Giuseppe
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