Hi I am getting an error a=crypto in RTP/AVP, refer to rfc3711 when using sipml5 client with FS. There is some info on this thread, which I am currently experimenting with. https://groups.google.com/forum/#!msg/doubango/m7FCqYxRcQc/-ThdAwWJxP8J Is there any change in setting on FS side that can deal with this ? Complete SIP Log v=0 o=- 2834273280 1 IN IP4 127.0.0.1 s=webrtc (chrome 20.0.1127.0) - Doubango Telecom (sipML5 r000) t=0 0 a=group:BUNDLE audio video m=audio 51704 RTP/SAVPF 103 104 0 8 106 105 13 126 c=IN IP4 182.68.141.91 a=rtcp:51704 IN IP4 182.68.141.91 a=candidate:829852397 1 udp 2130714367 192.168.1.31 51703 typ host generation 0 a=candidate:829852397 2 udp 2130714367 192.168.1.31 51703 typ host generation 0 a=candidate:3345412921 1 udp 1912610559 182.68.141.91 51704 typ srflx generation 0 a=candidate:3345412921 2 udp 1912610559 182.68.141.91 51704 typ srflx generation 0 a=candidate:2146792989 1 tcp 1694506751 192.168.1.31 50295 typ host generation 0 a=candidate:2146792989 2 tcp 1694506751 192.168.1.31 50295 typ host generation 0 a=ice-ufrag:Jz1C79lLNJodMTz2 a=ice-pwd:UsowydSx3Uy9ehq8lKyR+JmJ a=mid:audio a=rtcp-mux a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:ccVX0xSFpsuRG8lnNQgnSiMdckCgtHs5SET8r9Jt a=rtpmap:103 ISAC/16000 a=rtpmap:104 ISAC/32000 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:106 CN/32000 a=rtpmap:105 CN/16000 a=rtpmap:13 CN/8000 a=rtpmap:126 telephone-event/8000 a=ssrc:862982555 cname:QP1jAi3c1C/sIjMM a=ssrc:862982555 mslabel:JTCmb2lovY15B6rH1xoGTpSOwige5Py22GgE a=ssrc:862982555 label:JTCmb2lovY15B6rH1xoGTpSOwige5Py22GgE00 m=video 51704 RTP/SAVPF 100 101 102 c=IN IP4 182.68.141.91 a=rtcp:51704 IN IP4 182.68.141.91 a=candidate:829852397 1 udp 2130714367 192.168.1.31 51703 typ host generation 0 a=candidate:829852397 2 udp 2130714367 192.168.1.31 51703 typ host generation 0 a=candidate:3345412921 1 udp 1912610559 182.68.141.91 51704 typ srflx generation 0 a=candidate:3345412921 2 udp 1912610559 182.68.141.91 51704 typ srflx generation 0 a=candidate:2146792989 1 tcp 1694506751 192.168.1.31 50295 typ host generation 0 a=candidate:2146792989 2 tcp 1694506751 192.168.1.31 50295 typ host generation 0 a=ice-ufrag:Jz1C79lLNJodMTz2 a=ice-pwd:UsowydSx3Uy9ehq8lKyR+JmJ a=mid:video a=rtcp-mux a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:ccVX0xSFpsuRG8lnNQgnSiMdckCgtHs5SET8r9Jt a=rtpmap:100 VP8/90000 a=rtpmap:101 red/90000 a=rtpmap:102 ulpfec/90000 a=ssrc:1143670773 cname:QP1jAi3c1C/sIjMM a=ssrc:1143670773 mslabel:JTCmb2lovY15B6rH1xoGTpSOwige5Py22GgE a=ssrc:1143670773 label:JTCmb2lovY15B6rH1xoGTpSOwige5Py22GgE10 2012-07-17 14:48:02.285368 [ERR] sofia_glue.c:4673 a=crypto in RTP/AVP, refer to rfc3711 2012-07-17 14:48:02.285368 [DEBUG] switch_channel.c:2848 (sofia/internal/ 1015@122.180.97.198) Callstate Change DOWN -> HANGUP 2012-07-17 14:48:02.285368 [NOTICE] sofia.c:5813 Hangup sofia/internal/ 1015@122.180.97.198 [CS_NEW] [INCOMPATIBLE_DESTINATION] regards, Anita