[Freeswitch-users] SPA921 Problem Bad Session Description
Maxim Balabaev
balabaev.m at gmail.com
Tue Oct 19 07:53:18 PDT 2010
Yes. thank you so much. My prev server didn`t require such accurate headers.
It`s really cool that fs have such detalied debug. it`s not easy to find
that g711x is not acceptible format.
2010/10/19 Anthony Minessale <anthony.minessale at gmail.com>
> We already told him this when he filed a JIRA on it.
> It's clearly broken and probably fixed with a firmware update to the
> device.
>
>
> On Tue, Oct 19, 2010 at 9:23 AM, Kristian Kielhofner <kris at kriskinc.com>
> wrote:
> > Maxim,
> >
> > That SDP looks nasty:
> >
> > a=rtpmap:8 /8000
> > a=rtpmap:0 /8000
> >
> > These are static payload types and don't require an rtpmap line (the
> > "offer" is in the m= line). However, when you use an rtpmap you must
> > use the IANA payload type names: PCMU and PCMA in this case. Either
> > of these two SDPs would be valid:
> >
> > v=0
> > o=- 603544 603544 IN IP4 xxx
> > s=-
> > c=IN IP4 xxx
> > t=0 0
> > m=audio 16406 RTP/AVP 8 0 2 4 18 96 97 98 101
> > a=rtpmap:2 G726-32/8000
> > a=rtpmap:4 G723/8000
> > a=rtpmap:18 G729/8000
> > a=rtpmap:96 G726-40/8000
> > a=rtpmap:97 G726-24/8000
> > a=rtpmap:98 G726-16/8000
> > a=rtpmap:101 telephone-event/8000
> > a=fmtp:101 0-15
> > a=ptime:30
> > a=sendrecv
> >
> > -or-
> >
> > v=0
> > o=- 603544 603544 IN IP4 xxx
> > s=-
> > c=IN IP4 xxx
> > t=0 0
> > m=audio 16406 RTP/AVP 8 0 2 4 18 96 97 98 101
> > a=rtpmap:8 PCMA/8000
> > a=rtpmap:0 PCMU/8000
> > a=rtpmap:2 G726-32/8000
> > a=rtpmap:4 G723/8000
> > a=rtpmap:18 G729/8000
> > a=rtpmap:96 G726-40/8000
> > a=rtpmap:97 G726-24/8000
> > a=rtpmap:98 G726-16/8000
> > a=rtpmap:101 telephone-event/8000
> > a=fmtp:101 0-15
> > a=ptime:30
> > a=sendrecv
> >
> > Yours isn't :).
> >
> > http://www.iana.org/assignments/rtp-parameters
> >
> > On Mon, Oct 18, 2010 at 6:32 AM, Maxim Balabaev <balabaev.m at gmail.com>
> wrote:
> >> I can`t make calls from linksys spa921 because of "400 Bad Session
> >> Description", incoming are ok. pap2t works perfectly. freeswitch is rev
> from
> >> git trunk. Here comes logs:
> >>
> ------------------------------------------------------------------------
> >> recv 868 bytes from udp/[xxx]:5060 at 10:27:30.709397:
> >>
> ------------------------------------------------------------------------
> >> INVITE sip:1001 at xxx SIP/2.0
> >> Via: SIP/2.0/UDP xxx:5060;branch=z9hG4bK-ede98b83;rport
> >> From: <sip:022 at xxx>;tag=8f6dbe61c1d0552ao0
> >> To: <sip:1001 at xxx>
> >> Call-ID: 14d793ed-1abf9d0e at xxx
> >> CSeq: 101 INVITE
> >> Max-Forwards: 70
> >> Contact: <sip:022 at xxx:5060>
> >> Expires: 240
> >> User-Agent: Linksys/SPA921-5.1.8
> >> Content-Length: 386
> >> Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER
> >> Supported: replaces
> >> Content-Type: application/sdp
> >>
> >> v=0
> >> o=- 603544 603544 IN IP4 xxx
> >> s=-
> >> c=IN IP4 xxx
> >> t=0 0
> >> m=audio 16406 RTP/AVP 8 0 2 4 18 96 97 98 101
> >> a=rtpmap:8 /8000
> >> a=rtpmap:0 /8000
> >> a=rtpmap:2 G726-32/8000
> >> a=rtpmap:4 G723/8000
> >> a=rtpmap:18 G729/8000
> >> a=rtpmap:96 G726-40/8000
> >> a=rtpmap:97 G726-24/8000
> >> a=rtpmap:98 G726-16/8000
> >> a=rtpmap:101 telephone-event/8000
> >> a=fmtp:101 0-15
> >> a=ptime:30
> >> a=sendrecv
> >>
> ------------------------------------------------------------------------
> >> send 562 bytes to udp/[xxx]:5060 at 10:27:30.709607:
> >>
> ------------------------------------------------------------------------
> >> SIP/2.0 400 Bad Session Description
> >> Via: SIP/2.0/UDP xxx:5060;branch=z9hG4bK-ede98b83;rport=5060
> >> From: <sip:022 at xxx>;tag=8f6dbe61c1d0552ao0
> >> To: <sip:1001 at xxx>;tag=ytUD271ypvy6r
> >> Call-ID: 14d793ed-1abf9d0e at xxx
> >> CSeq: 101 INVITE
> >> User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-f8d8a39 2010-10-18
> 03-19-16
> >> -0400
> >> Accept: application/sdp
> >> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
> >> REGISTER, REFER, NOTIFY
> >> Supported: timer, precondition, path, replaces
> >> Allow-Events: talk, hold, refer
> >> Content-Length: 0
> >>
> >> _______________________________________________
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> >>
> >>
> >
> >
> >
> > --
> > Kristian Kielhofner
> > http://www.astlinux.org
> > http://blog.krisk.org
> > http://www.star2star.com
> > http://www.submityoursip.com
> > http://www.voalte.com
> >
> > _______________________________________________
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> >
>
>
>
> --
> Anthony Minessale II
>
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