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@xxx SIP/2.0 Via: SIP/2.0/UDP xxx:5060;branch=z9hG4bK-ede98b83;rport From: <sip:022@xxx>;tag=8f6dbe61c1d0552ao0 To: <sip:1001@xxx> Call-ID: 14d793ed-1abf9d0e@xxx CSeq: 101 INVITE Max-Forwards: 70 Contact: <sip:022@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@xxx>;tag=8f6dbe61c1d0552ao0 To: <sip:1001@xxx>;tag=ytUD271ypvy6r Call-ID: 14d793ed-1abf9d0e@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