Thanks Daniel, Will test and advise.
Chris From: sr-users <[email protected]> On Behalf Of Daniel-Constantin Mierla Sent: 04 May 2020 19:09 To: Kamailio (SER) - Users Mailing List <[email protected]> Subject: Re: [SR-Users] PRACK support in RTPENGINE module? I pushed a patch to rtpengine module to handle PRACK in both manage() and answer() functions. Chris: can you test and see if works as expected? If yes, it will be backported. Cheers, Daniel On 04.05.20 19:51, Alex Balashov wrote: > Oh, sorry. I misread; it seemed to me that rtpengine_answer1_f() was > part of a cascade of fixup functions that goes back to > rtpengine_manage(), but not to _answer(). You're right of course. > > On Mon, May 04, 2020 at 07:49:19PM +0200, Daniel-Constantin Mierla wrote: > >> Hello, >> >> Chris mentioned that rtpengine_answer() is also not supporting (or is >> ruling out all request types but ACK), so the C code is limiting in both >> cases, no matter using rtpengine_manage() or rtpengine_answer(). >> >> The rtpengine manage() was built as a wrapper around offer()/answer() >> and it makes the decision of which one is executed in various cases >> (request/reply/failure route), but not what offer()/answer() functions >> do internally. >> >> So in this case the code has to allow execution for PRACK, it was an >> omission, likely not a scenario that popped up so far. >> >> Cheers, >> Daniel >> >> On 04.05.20 19:22, Alex Balashov wrote: >>> Hello Chris, >>> >>> rtpengine_manage() is just a wrapper that makes context-sensitive >>> invocations of rtpengine_offer() and rtpengine_answer(), so that you >>> don't have to choose which of them to call manually. But it's not >>> perfect. >>> >>> There are nevertheless situations where this manual use of the >>> offer/answer functions is necessary, and it sounds like this is one of >>> them. >>> >>> There is a larger question of whether rtpengine_manage() should support >>> PRACK; it seems like the answer is yes. But this lacking cannot be >>> framed as "RTPEngine doesn't support PRACK" or anything like that. >>> RTPEngine can support any SDP-bearing request and reply, since RTPEngine >>> does not care about SIP semantics per se. >>> >>> -- Alex >>> >>> -- >>> Alex Balashov | Principal | Evariste Systems LLC >>> >>> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) >>> Web: http://www.evaristesys.com/<http://www.evaristesys.com>, >>> http://www.csrpswitch.com/<http://www.csrpswitch.com> >>> >>> _______________________________________________ >>> Kamailio (SER) - Users Mailing List >>> [email protected]<mailto:[email protected]> >>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users<https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users> >> -- >> Daniel-Constantin Mierla -- www.asipto.com<http://www.asipto.com> >> www.twitter.com/miconda<http://www.twitter.com/miconda> -- >> www.linkedin.com/in/miconda<http://www.linkedin.com/in/miconda> >> >> >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> [email protected]<mailto:[email protected]> >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users<https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users> > -- > Alex Balashov | Principal | Evariste Systems LLC > > Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) > Web: http://www.evaristesys.com/<http://www.evaristesys.com/>, > http://www.csrpswitch.com/<http://www.csrpswitch.com/> -- Daniel-Constantin Mierla -- www.asipto.com<http://www.asipto.com> www.twitter.com/miconda<http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda<http://www.linkedin.com/in/miconda> _______________________________________________ Kamailio (SER) - Users Mailing List [email protected]<mailto:[email protected]> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users<https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users> Disclaimer Semafone is a limited company, registered in England, with registered number 06963868. 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