<div>Thank you Bogdan!</div>
<div>The GW IP was in the &quot;domain&quot; table. Once deleted - all is ok.</div>
<div>Interesting fact - the OpenSips 1.4 works ok even the gw ip is in the domain table.</div>
<div> </div>
<div>Best regards,</div>
<div>Oleg Burlacu <br><br></div>
<div class="gmail_quote">On Fri, Jan 22, 2010 at 7:06 PM, Bogdan-Andrei Iancu <span dir="ltr">&lt;<a href="mailto:bogdan@voice-system.ro">bogdan@voice-system.ro</a>&gt;</span> wrote:<br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">Hi Oleg,<br><br>The problem seams to be around the loose_route() part -&gt; after the<br>loose_route, the ACK is not sent to the GW, but it loop on the proxy.<br>
That is a typically behaviour when you misconfigure opensips and<br>opensips believes that the GW IP is one of its own IPs.<br><br>Is the GW IP added as &quot;alias&quot; in the script? or in the &quot;domain&quot; table?<br>
<br>Regards,<br>Bogdan<br>
<div>
<div></div>
<div class="h5"><br>Oleg Burlacu wrote:<br>&gt;<br>&gt;<br>&gt; Hi,<br>&gt; I&#39;m running a statefull proxy that in most cases need to relay the<br>&gt; calls to a PSTN gateway.<br>&gt; After the migration to the Opensips 1.6.1, there is a problem with<br>
&gt; compatibility / RR module and the gateway (Cisco AS5300).<br>&gt; Opensips does not relay &#39;correctly&#39; (in my case) the ACK messages. The<br>&gt; Cisco gateway do not receive ACKs and hangup the call after a timeout.<br>
&gt; The configuration script is developed on the sipwise template, but it<br>&gt; works perfectly in 1.4 version of Opensips.<br>&gt;<br>&gt; When debugging I see each time more and more headers in ACK packets<br>&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=4a734ab13a9&gt;<br>
&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=4a734ab13a9&gt;<br>&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=4a734ab13a9&gt;<br>&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=4a734ab13a9&gt;<br>&gt; Via: SIP/2.0/UDP xx.yy.56.226;branch=z9hG4bKa636.94cf333.2<br>
&gt; Via: SIP/2.0/UDP xx.yy.56.226;branch=z9hG4bKa636.94cf333.2<br>&gt; Via: SIP/2.0/UDP xx.yy.56.226;branch=z9hG4bKa636.94cf333.2<br>&gt; Via: SIP/2.0/UDP xx.yy.56.226;branch=z9hG4bKa636.94cf333.2<br>&gt; Via: SIP/2.0/UDP<br>
&gt; xx.yy.17.20;branch=z9hG4bK591c1114000023e34b43aea600004e6700001405<br>&gt;<br>&gt; When disabling the record_route(), and messages go from sip client<br>&gt; directly to the gateway - all in ok.<br>&gt; When communicating between 2 sip clients on the same proxy - the<br>
&gt; messages are relayed correctly.<br>&gt; What can be the solution?<br>&gt;<br>&gt;<br>&gt; The entire message log:<br>&gt;<br>&gt; U xx.yy.17.20:5060 -&gt; xx.yy.56.226:5060<br>&gt; INVITE sip:987654@xx.yy.56.226 SIP/2.0.<br>
&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026464b446164000023ea000016ed.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;.<br>
&gt; Contact: &lt;sip:123456@xx.yy.17.20&gt;.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; CSeq: 1 INVITE.<br>&gt; Max-Forwards: 70.<br>&gt; User-Agent: SJphone/1.65.377a (SJ Labs).<br>&gt;<br>&gt;<br>
&gt; U xx.yy.56.226:5060 -&gt; xx.yy.17.20:5060<br>&gt; SIP/2.0 100 Trying.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026464b446164000023ea000016ed.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>
&gt; To: &lt;sip:987654@xx.yy.56.226&gt;.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; CSeq: 1 INVITE.<br>&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.56.226:5060 -&gt; xx.yy.17.20:5060<br>&gt; SIP/2.0 407 Proxy Authentication Required.<br>
&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026464b446164000023ea000016ed.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=c97b4d1cb1f3d0da549e06a8d482ef63.8548.<br>
&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; CSeq: 1 INVITE.<br>&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.17.20:5060 -&gt; xx.yy.56.226:5060<br>&gt; ACK sip:987654@xx.yy.56.226 SIP/2.0.<br>&gt; Via: SIP/2.0/UDP<br>
&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026464b446164000023ea000016ed.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=c97b4d1cb1f3d0da549e06a8d482ef63.8548.<br>
&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; CSeq: 1 ACK.<br>&gt; Max-Forwards: 70.<br>&gt; User-Agent: SJphone/1.65.377a (SJ Labs).<br>&gt; Content-Length: 0.<br>&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.17.20:5060 -&gt; xx.yy.56.226:5060<br>
&gt; INVITE sip:987654@xx.yy.56.226 SIP/2.0.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>
&gt; To: &lt;sip:987654@xx.yy.56.226&gt;.<br>&gt; Contact: &lt;sip:123456@xx.yy.17.20&gt;.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; CSeq: 2 INVITE.<br>&gt; Max-Forwards: 70.<br>&gt; User-Agent: SJphone/1.65.377a (SJ Labs).<br>
&gt; Content-Length: 362.<br>&gt; Content-Type: application/sdp.<br>&gt; Supported: replaces,norefersub,timer.<br>&gt; Proxy-Authorization: Digest<br>&gt; username=&quot;123456&quot;,realm=&quot;xx.yy.56.226&quot;,nonce=&quot;4b43ec220000000883661dbea2617b91d28401983dd85b7d&quot;,uri=&quot;sip:987654@xx.yy.56.226&quot;,response=&quot;91a62cf62af7870c1e24d6c35857e78d&quot;.<br>
&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.56.226:5060 -&gt; xx.yy.17.20:5060<br>&gt; SIP/2.0 100 Trying.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>
&gt; To: &lt;sip:987654@xx.yy.56.226&gt;.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; CSeq: 2 INVITE.<br>&gt; Server: OpenSIPS (1.6.1-notls (x86_64/linux)).<br>&gt; Content-Length: 0.<br>&gt;<br>&gt;<br>
&gt; U xx.yy.56.226:5060 -&gt; xx.yy.17.20:5060<br>&gt; SIP/2.0 100 Giving a try.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>
&gt; To: &lt;sip:987654@xx.yy.56.226&gt;.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; CSeq: 2 INVITE.<br>&gt;<br>&gt;<br>&gt; U xx.yy.56.226:5060 -&gt; xx.yy.25.114:5060<br>&gt; INVITE sip:987654@xx.yy.25.114:5060;transport=udp SIP/2.0.<br>
&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>&gt; Via: SIP/2.0/UDP xx.yy.56.226;branch=z9hG4bKf69b.0ced9bb7.0.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>
&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;.<br>&gt; Contact: &lt;sip:123456@xx.yy.17.20&gt;.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>
&gt; CSeq: 2 INVITE.<br>&gt; Max-Forwards: 69.<br>&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.25.114:5060 -&gt; xx.yy.56.226:5060<br>&gt; SIP/2.0 100 Trying.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.56.226;branch=z9hG4bKf69b.0ced9bb7.0,SIP/2.0/UDP<br>
&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>
&gt; Date: Wed, 06 Jan 2010 09:59:05 GMT.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; Server: Cisco-SIPGateway/IOS-12.x.<br>&gt; CSeq: 2 INVITE.<br>&gt; Allow-Events: telephone-event.<br>&gt; Content-Length: 0.<br>
&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.25.114:5060 -&gt; xx.yy.56.226:5060<br>&gt; SIP/2.0 183 Session Progress.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.56.226;branch=z9hG4bKf69b.0ced9bb7.0,SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>
&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>&gt; Date: Wed, 06 Jan 2010 09:59:05 GMT.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>
&gt; Server: Cisco-SIPGateway/IOS-12.x.<br>&gt; CSeq: 2 INVITE.<br>&gt; Allow-Events: telephone-event.<br>&gt; Contact: &lt;sip:987654@xx.yy.25.114:5060&gt;.<br>&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>
&gt; Content-Disposition: session;handling=required.<br>&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.56.226:5060 -&gt; xx.yy.17.20:5060<br>&gt; SIP/2.0 183 Session Progress.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>
&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>&gt; Date: Wed, 06 Jan 2010 09:59:05 GMT.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>
&gt; Server: Cisco-SIPGateway/IOS-12.x.<br>&gt; CSeq: 2 INVITE.<br>&gt; Allow-Events: telephone-event.<br>&gt; Contact: &lt;sip:987654@xx.yy.25.114:5060&gt;.<br>&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>
&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.25.114:5060 -&gt; xx.yy.56.226:5060<br>&gt; SIP/2.0 200 OK.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.56.226;branch=z9hG4bKf69b.0ced9bb7.0,SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>
&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>&gt; Date: Wed, 06 Jan 2010 09:59:05 GMT.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>
&gt; Server: Cisco-SIPGateway/IOS-12.x.<br>&gt; CSeq: 2 INVITE.<br>&gt; Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,<br>&gt; SUBSCRIBE, NOTIFY, INFO.<br>&gt; Allow-Events: telephone-event.<br>&gt; Contact: &lt;sip:987654@xx.yy.25.114:5060&gt;.<br>
&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>&gt;<br>&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.56.226:5060 -&gt; xx.yy.17.20:5060<br>&gt; SIP/2.0 200 OK.<br>&gt; Via: SIP/2.0/UDP<br>
&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>
&gt; Date: Wed, 06 Jan 2010 09:59:05 GMT.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; Server: Cisco-SIPGateway/IOS-12.x.<br>&gt; CSeq: 2 INVITE.<br>&gt; Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,<br>
&gt; SUBSCRIBE, NOTIFY, INFO.<br>&gt; Allow-Events: telephone-event.<br>&gt; Contact: &lt;sip:987654@xx.yy.25.114:5060&gt;.<br>&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>&gt;<br>
&gt;<br>&gt;<br>&gt; U xx.yy.17.20:5060 -&gt; xx.yy.56.226:5060<br>&gt; ACK sip:987654@xx.yy.25.114:5060 SIP/2.0.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616500002441000016f6.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>
&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>&gt; Contact: &lt;sip:123456@xx.yy.17.20&gt;.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; CSeq: 2 ACK.<br>&gt; Max-Forwards: 70.<br>&gt; User-Agent: SJphone/1.65.377a (SJ Labs).<br>
&gt; Content-Length: 0.<br>&gt; Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>&gt; Proxy-Authorization: Digest<br>&gt; username=&quot;123456&quot;,realm=&quot;xx.yy.56.226&quot;,nonce=&quot;4b43ec220000000883661dbea2617b91d28401983dd85b7d&quot;,uri=&quot;sip:987654@xx.yy.56.226&quot;,response=&quot;91a62cf62af7870c1e24d6c35857e78d&quot;.<br>
&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.25.114:5060 -&gt; xx.yy.56.226:5060<br>&gt; SIP/2.0 200 OK.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.56.226;branch=z9hG4bKf69b.0ced9bb7.0,SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>
&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>&gt; Date: Wed, 06 Jan 2010 09:59:05 GMT.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>
&gt; Server: Cisco-SIPGateway/IOS-12.x.<br>&gt; CSeq: 2 INVITE.<br>&gt; Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,<br>&gt; SUBSCRIBE, NOTIFY, INFO.<br>&gt; Allow-Events: telephone-event.<br>&gt; Contact: &lt;sip:987654@xx.yy.25.114:5060&gt;.<br>
&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>&gt; Content-Type: application/sdp.<br>&gt; Content-Length: 234.<br>&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.56.226:5060 -&gt; xx.yy.17.20:5060<br>
&gt; SIP/2.0 200 OK.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>
&gt; Date: Wed, 06 Jan 2010 09:59:05 GMT.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; Server: Cisco-SIPGateway/IOS-12.x.<br>&gt; CSeq: 2 INVITE.<br>&gt; Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,<br>
&gt; SUBSCRIBE, NOTIFY, INFO.<br>&gt; Allow-Events: telephone-event.<br>&gt; Contact: &lt;sip:987654@xx.yy.25.114:5060&gt;.<br>&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>&gt; Content-Type: application/sdp.<br>
&gt; Content-Length: 234.<br>&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.17.20:5060 -&gt; xx.yy.56.226:5060<br>&gt; ACK sip:987654@xx.yy.25.114:5060 SIP/2.0.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616500002441000016f6.<br>
&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>&gt; Contact: &lt;sip:123456@xx.yy.17.20&gt;.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>
&gt; CSeq: 2 ACK.<br>&gt; Max-Forwards: 70.<br>&gt; User-Agent: SJphone/1.65.377a (SJ Labs).<br>&gt; Content-Length: 0.<br>&gt; Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>&gt; Proxy-Authorization: Digest<br>
&gt; username=&quot;123456&quot;,realm=&quot;xx.yy.56.226&quot;,nonce=&quot;4b43ec220000000883661dbea2617b91d28401983dd85b7d&quot;,uri=&quot;sip:987654@xx.yy.56.226&quot;,response=&quot;91a62cf62af7870c1e24d6c35857e78d&quot;.<br>
&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.25.114:5060 -&gt; xx.yy.56.226:5060<br>&gt; SIP/2.0 200 OK.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.56.226;branch=z9hG4bKf69b.0ced9bb7.0,SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>
&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>&gt; Date: Wed, 06 Jan 2010 09:59:05 GMT.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>
&gt; Server: Cisco-SIPGateway/IOS-12.x.<br>&gt; CSeq: 2 INVITE.<br>&gt; Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,<br>&gt; SUBSCRIBE, NOTIFY, INFO.<br>&gt; Allow-Events: telephone-event.<br>&gt; Contact: &lt;sip:987654@xx.yy.25.114:5060&gt;.<br>
&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>&gt; Content-Type: application/sdp.<br>&gt; Content-Length: 234.<br>&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.56.226:5060 -&gt; xx.yy.17.20:5060<br>
&gt; SIP/2.0 200 OK.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>
&gt; Date: Wed, 06 Jan 2010 09:59:05 GMT.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>&gt; Server: Cisco-SIPGateway/IOS-12.x.<br>&gt; CSeq: 2 INVITE.<br>&gt; Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,<br>
&gt; SUBSCRIBE, NOTIFY, INFO.<br>&gt; Allow-Events: telephone-event.<br>&gt; Contact: &lt;sip:987654@xx.yy.25.114:5060&gt;.<br>&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>&gt; Content-Type: application/sdp.<br>
&gt; Content-Length: 234.<br>&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.17.20:5060 -&gt; xx.yy.56.226:5060<br>&gt; ACK sip:987654@xx.yy.25.114:5060 SIP/2.0.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616500002441000016f6.<br>
&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>&gt; Contact: &lt;sip:123456@xx.yy.17.20&gt;.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>
&gt; CSeq: 2 ACK.<br>&gt; Max-Forwards: 70.<br>&gt; User-Agent: SJphone/1.65.377a (SJ Labs).<br>&gt; Content-Length: 0.<br>&gt; Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>&gt; Proxy-Authorization: Digest<br>
&gt; username=&quot;123456&quot;,realm=&quot;xx.yy.56.226&quot;,nonce=&quot;4b43ec220000000883661dbea2617b91d28401983dd85b7d&quot;,uri=&quot;sip:987654@xx.yy.56.226&quot;,response=&quot;91a62cf62af7870c1e24d6c35857e78d&quot;.<br>
&gt;<br>&gt;<br>&gt;<br>&gt; U xx.yy.25.114:5060 -&gt; xx.yy.56.226:5060<br>&gt; SIP/2.0 200 OK.<br>&gt; Via: SIP/2.0/UDP<br>&gt; xx.yy.56.226;branch=z9hG4bKf69b.0ced9bb7.0,SIP/2.0/UDP<br>&gt; xx.yy.17.20;branch=z9hG4bK591c1114000026474b44616400001647000016f0.<br>
&gt; From: &quot;unknown&quot; &lt;sip:123456@xx.yy.56.226&gt;;tag=152937654c2b.<br>&gt; To: &lt;sip:987654@xx.yy.56.226&gt;;tag=708A5698-428.<br>&gt; Date: Wed, 06 Jan 2010 09:59:05 GMT.<br>&gt; Call-ID: D17BF0696DC546A7B436401CD27774720x591c1114.<br>
&gt; Server: Cisco-SIPGateway/IOS-12.x.<br>&gt; CSeq: 2 INVITE.<br>&gt; Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,<br>&gt; SUBSCRIBE, NOTIFY, INFO.<br>&gt; Allow-Events: telephone-event.<br>&gt; Contact: &lt;sip:987654@xx.yy.25.114:5060&gt;.<br>
&gt; Record-Route: &lt;sip:xx.yy.56.226;lr=on;ftag=152937654c2b;did=b39.e643f344&gt;.<br>&gt; Content-Type: application/sdp.<br>&gt; Content-Length: 234.<br>&gt;<br></div></div>&gt; ------------------------------------------------------------------------<br>

<div class="im">&gt;<br>&gt; _______________________________________________<br>&gt; Users mailing list<br>&gt; <a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><br>&gt; <a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><br>
&gt;<br><br><br></div><font color="#888888">--<br>Bogdan-Andrei Iancu<br><a href="http://www.voice-system.ro/" target="_blank">www.voice-system.ro</a><br></font>
<div>
<div></div>
<div class="h5"><br><br>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><br><a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><br>
</div></div></blockquote></div><br>