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