Kristian Kielhofner wrote:
Hi,
This is a known issue with some of these platforms but for completeness can you send the actual SDP?
My voip configuration: +------------+ +----------+ | ROUTER | LAN | Linksys | NET----| with |---------| PAP2T-EU | | FreeSWITCH | | | +------------+ +----------+ Linksys has changed rtp packet size to 0.020 On FreeSWITCH i am using g729 (http://freehg.org/u/deepwalker/fs_g729/) - for testing only. SDP logs are below, full session's log is in attachment: 2009-03-19 20:07:02 [DEBUG] sofia.c:2806 sofia_handle_sip_i_state() Channel sofia/external/0607xxxxxx@217.11.128.50 entering state [received] 2009-03-19 20:07:02 [DEBUG] sofia.c:2810 sofia_handle_sip_i_state() Remote SDP: v=0 o=CiscoSystemsSIP-GW-UserAgent 9221 3981 IN IP4 217.11.128.50 s=SIP Call c=IN IP4 217.11.128.50 t=0 0 m=audio 18292 RTP/AVP 18 4 2 98 99 0 8 3 100 101 19 c=IN IP4 217.11.128.50 a=rtpmap:18 G729/8000 a=fmtp:18 annexb=yes a=rtpmap:4 G723/8000 a=fmtp:4 annexa=yes a=rtpmap:2 G726-32/8000 a=rtpmap:98 G726-24/8000 a=rtpmap:99 G726-16/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:3 GSM/8000 a=rtpmap:100 X-NSE/8000 a=fmtp:100 192-194 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=rtpmap:19 CN/8000 a=direction:active ... 2009-03-19 20:07:02 [INFO] mod_sofia.c:1351 sofia_receive_message() Ring SDP: v=0 o=FreeSWITCH 1237472006 1237472007 IN IP4 89.79.191.29 s=FreeSWITCH c=IN IP4 89.79.191.29 t=0 0 m=audio 17616 RTP/AVP 18 101 19 a=rtpmap:18 G729/8000 a=fmtp:18 annexb=yes a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=rtpmap:19 CN/8000 a=ptime:20 a=sendrecv ... 2009-03-19 20:07:03 [DEBUG] sofia.c:2810 sofia_handle_sip_i_state() Remote SDP: v=0 o=- 121150237 121150237 IN IP4 192.168.1.250 s=- c=IN IP4 192.168.1.250 t=0 0 m=audio 16438 RTP/AVP 18 100 101 a=rtpmap:18 G729a/8000 a=rtpmap:100 NSE/8000 a=fmtp:100 192-193 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=ptime:20 ... 2009-03-19 20:07:03 [DEBUG] mod_sofia.c:503 sofia_answer_channel() Local SDP sofia/external/0607320038@217.11.128.50: v=0 o=FreeSWITCH 1237472006 1237472008 IN IP4 89.79.191.29 s=FreeSWITCH c=IN IP4 89.79.191.29 t=0 0 m=audio 17616 RTP/AVP 18 101 19 a=rtpmap:18 G729/8000 a=fmtp:18 annexb=yes a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=rtpmap:19 CN/8000 a=ptime:20 a=sendrecv ... 2009-03-19 20:07:04 [DEBUG] sofia.c:2810 sofia_handle_sip_i_state() Remote SDP: v=0 o=CiscoSystemsSIP-GW-UserAgent 9221 3981 IN IP4 217.11.128.50 s=SIP Call c=IN IP4 217.11.128.50 t=0 0 m=audio 18292 RTP/AVP 18 19 101 100 c=IN IP4 217.11.128.50 a=rtpmap:18 G729/8000 a=fmtp:18 annexb=yes a=rtpmap:19 CN/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=rtpmap:100 X-NSE/8000 a=fmtp:100 192-194 a=ptime:60 regards, Lukasz