Thanks Ranjit, Yes for the signalling part i am aware, but as shared earlier how the RTP from N/w and other UE in same session be differentiate?
So SSRC will be different right? On Thu, 22 Sep 2022 at 8:05 PM, Ranjit Avasarala <ranjitka...@gmail.com> wrote: > Hi Arun > > Both are technically voice packets and use RTP protocol. So that way both > are similar. Also the voice traffic is end to end whereas hold music is > from the server. Like announcement - may be from Application Server. So > looking at the SSRC or Source in RTP Packets, you should be able to say > which entity is sending those packets. > > Another way to check is the SDP. for hold music, the media attribute > will be sendonly. where as for regular voice traffic it will sendrecv > > Regards > Ranjit > > On Thu, Sep 22, 2022 at 4:19 AM Amanpreet Singh < > amanpreeet.si...@gmail.com> wrote: > >> Arun, for what purpose would you like to inspect and differentiate the >> hold >> and audio RTP packets? >> and based on the signaling messages, can't that be achieved. >> >> Thanks, >> Amanpreet Singh. >> >> >> On Thu, Sep 22, 2022 at 12:30 PM Arun Tagare <arun.taga...@gmail.com> >> wrote: >> >> > Thanks Ranjit & Amanpreet, for your response >> > >> > But my question is >> > >> > MT <===== Call Established ===========> MO >> > MT <===> Voice RTP Packets flow <=====> MO >> > MT <======Hold ===================> MO >> > MT <==== HOLD Tone RTP packets ====== NW >> > >> > Both Voice RTP packets and Hold RTP packets come to the same port right >> ? >> > How to differentiate these RTP packets >> > >> > On Thu, Sep 22, 2022 at 11:06 AM Amanpreet Singh < >> > amanpreeet.si...@gmail.com> wrote: >> > >> >> Probably you can think of looking into the signaling messages(SDP in >> case >> >> of SIP) to differentiate when the call is on hold and when not i.e. >> normal >> >> audio RTP. >> >> >> >> BTW what is the use case to differentiate call hold vs audio RTP? >> >> >> >> >> >> Regards, >> >> Amanpreet Singh. >> >> >> >> >> >> On Wed, Sep 21, 2022 at 9:51 PM Arun Tagare <arun.taga...@gmail.com> >> >> wrote: >> >> >> >>> Hi All, >> >>> >> >>> I have a doubt on the Hold call tone or music on hold tone RTP v/s >> actual >> >>> voice RTP before hold >> >>> >> >>> Can these RTP packets be able to differentiate? >> >>> If yes how? >> >>> if not why? >> >>> >> >>> Thanks a lot to everyone in advance >> >>> >> >>> -- >> >>> >> >>> With Regards >> >>> >> >>> Arun A. Tagare >> >>> +91 9449 029729 >> >>> _______________________________________________ >> >>> Sip-implementors mailing list >> >>> Sip-implementors@lists.cs.columbia.edu >> >>> https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors >> >>> >> >> >> > >> > -- >> > >> > With Regards >> > >> > Arun A. Tagare >> > +91 9449 029729 >> > >> _______________________________________________ >> Sip-implementors mailing list >> Sip-implementors@lists.cs.columbia.edu >> https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors >> > -- With Regards Arun A. Tagare +91 9449 029729 _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
