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<body class='hmmessage'><div dir='ltr'>Matthew,<BR>&nbsp;<BR>allow=all is defined in&nbsp;sip.conf for the ITSP's SIP peer. Additionally, ITSP supports g729 codec as we are able to send the traffic&nbsp;from other soft switch. In case&nbsp;g729 on asterisk box, as I mentioned earlier, call even doesn't go out of the asterisk box.&nbsp;Below extracts from log also indicate the same thing.&nbsp;<BR>&nbsp;<BR>[Jun&nbsp; 5 12:46:49]&nbsp;&nbsp;&nbsp;&nbsp; -- AGI Script Executing Application: (Dial) Options: (SIP/yyy.yyy.yyy.yyy/12127773456)<br>[Jun&nbsp; 5 12:46:49]&nbsp;&nbsp; == Using SIP RTP CoS mark 5<br><strong>[Jun&nbsp; 5 12:46:49]&nbsp;&nbsp;&nbsp;&nbsp; -- Couldn't call yyy.yyy.yyy.yyy/12127773456</strong><br>[Jun&nbsp; 5 12:46:49]&nbsp;&nbsp; == Everyone is busy/congested at this time (0:0/0/0)<br><br>Regards,<BR>Kamlesh&nbsp;<BR>&nbsp;<BR><div>&gt; Date: Tue, 4 Jun 2013 10:27:11 -0500<br>&gt; From: mroth@imminc.com<br>&gt; To: asterisk-users@lists.digium.com<br>&gt; Subject: Re: [asterisk-users] G.729 codec in pass-thru mode<br>&gt; <br>&gt; Kamlesh Kumar wrote:<br>&gt; &gt; <br>&gt; &gt; SIP.conf<br>&gt; &gt; [100]<br>&gt; &gt; username=100<br>&gt; &gt; secret=password<br>&gt; &gt; type=friend<br>&gt; &gt; host=dynamic<br>&gt; &gt; nat=yes<br>&gt; &gt; canreinvite=no<br>&gt; &gt; insecure=port<br>&gt; &gt; disallow=all<br>&gt; &gt; allow=ulaw<br>&gt; &gt; allow=alaw<br>&gt; &gt; allow=g729<br>&gt; &gt; context=asterisk<br>&gt; &gt; qualify=no<br>&gt; <br>&gt; Is there also an "allow=g729" line in sip.conf for the ITSP's SIP peer?<br>&gt; <br>&gt; &gt; SIP Trace: <br>&gt; &gt; 201.xxx.xxx.xxx = SIP Softphone which originates the call <br>&gt; &gt; xxx.xxx.xxx.xxx = Asterisk server <br>&gt; &gt; yyy.yyy.yyy.yyy = ITSP <br>&gt; &gt; <br>&gt; &gt; ...<br>&gt; &gt; <br>&gt; &gt; &lt;--- SIP read from UDP:yyy.yyy.yyy.yyy:5060 ---&gt;<br>&gt; &gt; SIP/2.0 183 Session Progress<br>&gt; &gt; Via: SIP/2.0/UDP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK15380659;rport=5060<br>&gt; &gt; From: "100" &lt;sip:100@xxx.xxx.xxx.xxx&gt;;tag=as643c20b1<br>&gt; &gt; To: &lt;sip:12127773456@yyy.yyy.yyy.yyy&gt;;tag=gK029aaa8c<br>&gt; &gt; Call-ID: 07714ae4593feb5c3e42b3a01cf4aa20@xxx.xxx.xxx.xxx<br>&gt; &gt; CSeq: 102 INVITE<br>&gt; &gt; Contact: &lt;sip:12127773456@yyy.yyy.yyy.yyy:5060&gt;<br>&gt; &gt; Allow: INVITE,ACK,CANCEL,BYE,REGISTER,REFER,INFO,SUBSCRIBE,NOTIFY,PRACK,UPDATE,OPTIONS<br>&gt; &gt; Content-Length:  234<br>&gt; &gt; Content-Disposition: session; handling=required<br>&gt; &gt; Content-Type: application/sdp<br>&gt; &gt; v=0<br>&gt; &gt; o=Sonus_UAC 24592 17457 IN IP4 yyy.yyy.yyy.yyy<br>&gt; &gt; s=SIP Media Capabilities<br>&gt; &gt; c=IN IP4 zzz.zzz.zzz.zzz<br>&gt; &gt; t=0 0<br>&gt; &gt; m=audio 21996 RTP/AVP 0 101<br>&gt; &gt; a=rtpmap:0 PCMU/8000<br>&gt; &gt; a=rtpmap:101 telephone-event/8000<br>&gt; &gt; a=fmtp:101 0-15<br>&gt; &gt; a=sendrecv<br>&gt; &gt; a=maxptime:20<br>&gt; &gt; &lt;-------------&gt;<br>&gt; &gt; [Jun  3 13:11:31] --- (11 headers 11 lines) ---<br>&gt; &gt; [Jun  3 13:11:31] Found RTP audio format 0<br>&gt; &gt; [Jun  3 13:11:31] Found RTP audio format 101<br>&gt; &gt; [Jun  3 13:11:31] Found audio description format PCMU for ID 0<br>&gt; &gt; [Jun  3 13:11:31] Found audio description format telephone-event for ID 101<br>&gt; &gt; [Jun  3 13:11:31] Capabilities: us - 0x4 (ulaw), peer - audio=0x4 (ulaw)/video=0x0 (nothing)/text=0x0 (nothing), combined - 0x4 (ulaw)<br>&gt; &gt; [Jun  3 13:11:31] Non-codec capabilities (dtmf): us - 0x1 (telephone-event), peer - 0x1 (telephone-event), combined - 0x1 (telephone-event)<br>&gt; &gt; [Jun  3 13:11:31] Peer audio RTP is at port zzz.zzz.zzz.zzz:21996<br>&gt; &gt; [Jun  3 13:11:31]     -- SIP/yyy.yyy.yyy.yyy-000034d9 is making progress passing it to SIP/100-000034d8<br>&gt; &gt; [Jun  3 13:11:31] Audio is at xxx.xxx.xxx.xxx port 26042<br>&gt; &gt; [Jun  3 13:11:31] Adding codec 0x4 (ulaw) to SDP<br>&gt; &gt; [Jun  3 13:11:31] Adding non-codec 0x1 (telephone-event) to SDP<br>&gt; <br>&gt; This response from the ITSP says that only u-law may be used for the call.<br>&gt; Please contact the ITSP and confirm that they actually support the G.729 codec.<br>&gt; <br>&gt; Regards,<br>&gt; <br>&gt; Matthew Roth<br>&gt; InterMedia Marketing Solutions<br>&gt; Software Engineer and Systems Developer<br>&gt; <br>&gt; --<br>&gt; _____________________________________________________________________<br>&gt; -- Bandwidth and Colocation Provided by http://www.api-digital.com --<br>&gt; New to Asterisk? Join us for a live introductory webinar every Thurs:<br>&gt;                http://www.asterisk.org/hello<br>&gt; <br>&gt; asterisk-users mailing list<br>&gt; To UNSUBSCRIBE or update options visit:<br>&gt;    http://lists.digium.com/mailman/listinfo/asterisk-users<br></div>                                               </div></body>
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