On Thu, Jan 24, 2019, at 9:23 AM, Michael Maier wrote: > On 24.01.19 at 12:08 Joshua C. Colp wrote: > > On Thu, Jan 24, 2019, at 7:00 AM, Michael Maier wrote: > >> Hello! > >> > >> Given is an outbound call to a callee via asterisk to the ISP. After > >> INVITE, the ISP sends 100 Trying and some time later 180 Ringing *w/* > >> SDP and the header > >> "P-Early-Media: sendonly" (no 183 or any other thing until callee > >> responds). SDP in 180 contains media attribute *sendrecv* > >> (contradicting to the P-Early-Media header). > >> > >> Asterisk 13.24.1 sends PRACK to the ISP (w/o SDP) and the 180 to the > >> caller - but SDP is dropped and therefor no early media is possible! > >> > >> Is this behavior a bug or a feature? > > > > It would be a bug. That's not a scenario that I think anyone has really > > tested or fully scoped out. Is media actually received while in the 180 > > with Ringing stage? > > Yes - there is actually media been sent by the ISP, which is completely > ignored by asterisk: > > [2019-01-24 13:24:20] DEBUG[3341][C-00000026]: res_rtp_asterisk.c:4109 > ast_rtp_write: No remote address on RTP instance '0x7fedc40586d8' so > dropping frame > > At this point, there isn't any media flowing between caller and > asterisk and from asterisk to callee - just the ISP sends media to > asterisk. > > Media is sent to the caller by asterisk at the moment, the 200 OK w/ > SDP package has been received after callee picked up the phone. > Therefore, the first few syllables are > lost and you have to ask the name of the callee again, e.g.
I'd suggest filing an issue[1] with a trace and console output then. [1] https://issues.asterisk.org/jira -- Joshua C. Colp Digium - A Sangoma Company | Senior Software Developer 445 Jan Davis Drive NW - Huntsville, AL 35806 - US Check us out at: www.digium.com & 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