HI folks! my topology is: softswitch (BROADSOFT) -- [sip trunk] -- Asterisk
I need to connect phone calls using g729 codec. Debugging some calls we found that calls cant connect because of codec incompatibility. Our Sip provider send us annexb=yes when a call is comming and our asterisk send annexb=no. Im running asterisk 1.4.21.1. Output debug shows: To: <sip:[EMAIL PROTECTED];user=phone> CSeq: 1 INVITE Contact: <sip:[EMAIL PROTECTED]:5060;user=phone;transport=udp> Supported: 100rel User-Agent: Huawei SoftX3000 V300R006 Max-Forwards: 69 Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,REGISTER,PRACK,INFO,UPDATE,SUBSCRIBE,NOTIFY,ME SSAGE,REFER Content-Length: 274 Content-Type: application/sdp v=0 o=HuaweiSoftX3000 194579 194579 IN IP4 189.8.113.170 s=Sip Call c=IN IP4 XXX.X.XXX.170 t=0 0 m=audio 49256 RTP/AVP 18 8 0 97 a=rtpmap:18 G729/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:97 telephone-event/8000 a=fmtp:97 0-15 a=fmtp:18 annexb=yes Via: SIP/2.0/UDP XXX.X.XXX.170:5060;branch=z9hG4bKo2echm202o5g2dc38701.1;received=XXX.X.XXX.1 70 From: <sip:000@ XXX.X.XXX.170;user=phone>;tag=25f94692 To: <sip:7002@ XXX.X.XXX.177;user=phone>;tag=as0de67360 Call-ID: [EMAIL PROTECTED] CSeq: 1 INVITE User-Agent: Asterisk PBX Supported: replaces Contact: <sip:7002@ XXX.X.XXX.177> Content-Type: application/sdp Content-Length: 262 v=0 o=root 10183 10183 IN IP4 XXX.X.XXX.177 s=session c=IN IP4 XXX.X.XXX.177 t=0 0 m=audio 10772 RTP/AVP 18 97 a=rtpmap:18 G729/8000 a=fmtp:18 annexb=no a=rtpmap:97 telephone-event/8000 a=fmtp:97 0-16 a=silenceSupp:off - - - - a=ptime:20 a=sendrecv Thanks for any help! Gustavo A. González Dto. de Infraestructura Despegar.com, Inc. [EMAIL PROTECTED]
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