>From the cause = NO_MEDIA I would guess that Firefox does not like your m= lines.
Here is a line from Firefox: m=audio 54135 RTP/SAVPF 109 0 8 101 And Chrome: m=audio 1 RTP/SAVPF 103 104 111 0 8 107 106 105 13 126 My first guess is that you may want to change to RTP/SAVPF. -EH On Sun, Oct 6, 2013 at 8:56 PM, Eric Rescorla <[email protected]> wrote: > On Sun, Oct 6, 2013 at 9:32 PM, Andrew Pogrebennyk < > [email protected] > > wrote: > > > Hello, > > I have an error when using the JsSIP library which uses the Firefox > > PeerConnection implementation, under Firefox 24 / Linux: > > > > Could not negotiate answer SDP; cause = NO_MEDIA | SDP Parsing Error: > > Warning: Unrecognized attribute (ice-lite) | SDP Parsing Error: > > Warning: No network type specified in comediadir attribute. | SDP > > Parsing Error: Warning: No network type specified in comediadir > > attribute. | SDP Parsing Error: Warning: Unrecognized attribute > > (oldmediaip) > > > > Here is the SDP answer: > > v=0 > > o=sipwise-user2 0 0 IN IP4 192.168.51.132 > > s=- > > c=IN IP4 192.168.51.132 > > t=0 0 > > a=ice-lite > > m=audio 30166 RTP/SAVP 0 8 101 > > a=rtpmap:0 PCMU/8000 > > a=rtpmap:8 PCMA/8000 > > a=rtpmap:101 telephone-event/8000 > > a=direction:active > > a=rtcp:30167 > > a=crypto:0 AES_CM_128_HMAC_SHA1_80 > > inline:06D1X6PnZNHRH78fDPqtp3UctHD3tkxLmPa18a2h > > a=ice-ufrag:r2KOSpzi > > a=ice-pwd:O2JCu9UPbTD7JAvXWslJddFFfnr5 > > a=candidate:iN6TH63Epu7ta86x 1 UDP 2130706432 192.168.51.132 30166 typ > host > > a=candidate:iN6TH63Epu7ta86x 2 UDP 2130706431 192.168.51.132 30167 typ > host > > m=video 0 RTP/SAVP 120 > > a=direction:active > > a=oldmediaip:10.10.8.35 > > a=inactive > > > > I don't see anything badly wrong with it.. The attributes oldmediaip, > > ice-lite, inactive etc should be ignored if they're not supported. > > The full log is available at http://pastebin.com/raw.php?i=9ngM28Ux > > > Those are just warnings. > > The first real problem I see is that there are no fingerprint > lines for DTLS-SRTP, so we won't be able to actually negotiate. > a connetion. This may or may not be the error you are seeing, but it will > be enough to cause failure. > > -Ekr > > > > > > > Has anyone else seen this problem, has an insight or maybe some general > > pointers? Thanks in advance. > > P.S. If you think I should fill an issue in your bugtracker I will. > > > > Andrew > > _______________________________________________ > > dev-media mailing list > > [email protected] > > https://lists.mozilla.org/listinfo/dev-media > > > _______________________________________________ > dev-media mailing list > [email protected] > https://lists.mozilla.org/listinfo/dev-media > _______________________________________________ dev-media mailing list [email protected] https://lists.mozilla.org/listinfo/dev-media

