turns out Asterisk-13.21 does not have the ast_rtp_interpret is there a similar entry point to interpret RTP packets?
On Fri, 31 Jan 2020 at 18:05, Mohit Dhiman <mohitdhiman...@gmail.com> wrote: > I'm using Asterisk-13.21. > I'll check out the code in ast_rtp_interpret but the problem is that I do > not have the access to the production environment to recreate this issue. > > can anybody suggest any tool to create dummy RTP payloads or some SIP > client that can generate real-time text over RTP? > > On Fri, 31 Jan 2020 at 16:51, Joshua C. Colp <jc...@sangoma.com> wrote: > >> On Fri, Jan 31, 2020 at 3:06 AM Mohit Dhiman <mohitdhiman...@gmail.com> >> wrote: >> >>> Hi, >>> I'm trying to debug a segfault in ast_frdup which happened because of >>> the negative datalen of the ast_frame for frame type AST_FRAME_TEXT. >>> >>> My question is that how an RTP frame in categorized as of type TEXT >>> because I can only see two types of RTP payload in network capture (not of >>> the time of segfault) >>> one is G-711 ulaw and the other is Payload Type 106 (not defined in >>> SDP). >>> This Payload 106 is received at the start of the RTP stream and is >>> received only once in an RTP stream. >>> >>> My other question is how the datalen gets calculated for an RTP frame >>> and what could be the possible reason for this to come out negative for it >>> should never be negative as confirmed by Joshua on Asterisk Community Forum. >>> >>> It would be a great help if anybody could help me figure this out. >>> >> >> What version of Asterisk is in use? >> >> Otherwise the code itself that interprets RTP packets is >> ast_rtp_interpret[1] in res_rtp_asterisk.c. Adding log messages or reading >> that would probably yield information. >> >> [1] >> https://github.com/asterisk/asterisk/blob/master/res/res_rtp_asterisk.c#L6932 >> >> >> -- >> Joshua C. Colp >> Asterisk Technical Lead >> Sangoma Technologies >> Check us out at www.sangoma.com and www.asterisk.org >> -- >> _____________________________________________________________________ >> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >> >> asterisk-dev mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-dev > >
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