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--></style></head><body lang="ES-CL" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Hello.</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">I was wondering if someone can help me with some problem that I’m having with the combination of FreeSwitch and Kamailio as SBC.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">I’m having and ACK not routed by kamailio and dropped.</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Here is the debug.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"><a href="http://100.100.100.211:5060">100.100.100.211:5060</a> : Kamailio</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"><a href="http://100.100.100.211:5090">100.100.100.211:5090</a> : FreeSwitch</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">100.100.100.108 : Caller </span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">100.100.100.212 : Calle</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">User Datagram Protocol, Src Port: 42772 (42772), Dst Port: sip (5060)</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Session Initiation Protocol</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Request-Line: INVITE <a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a> SIP/2.0</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Method: INVITE</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> [Resent Packet: False]</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Header</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 64.76.148.108:42772;branch=z9hG4bK-d8754z-da0b2e4b1b5d0843-1---d8754z-;rport</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Max-Forwards: 70</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Contact: <<a href="http://sip:1234@64.76.148.108:42772">sip:1234@64.76.148.108:42772</a>></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> To: <<a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a>></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> From: "camila"<<a href="mailto:sip%3A1234@100.100.100.211">sip:1234@100.100.100.211</a>>;tag=8422566b</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Call-ID: MjY2NDY5NTE3OTk4MzdmMjE0YWQxNWQ4MWFmY2JhMWQ.</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> CSeq: 1 INVITE</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Type: application/sdp</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> User-Agent: Bria release 2.2 stamp 45414</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Length: 388</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Body</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Session Description Protocol</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">User Datagram Protocol, Src Port: sip (5060), Dst Port: 42772 (42772)</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Session Initiation Protocol</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Status-Line: SIP/2.0 100 trying -- your call is important to us</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Status-Code: 100</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> [Resent Packet: False]</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Header</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 64.76.148.108:42772;branch=z9hG4bK-d8754z-da0b2e4b1b5d0843-1---d8754z-;rport=42772</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> To: <<a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a>></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> From: "camila"<<a href="mailto:sip%3A1234@100.100.100.211">sip:1234@100.100.100.211</a>>;tag=8422566b</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Call-ID: MjY2NDY5NTE3OTk4MzdmMjE0YWQxNWQ4MWFmY2JhMWQ.</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> CSeq: 1 INVITE</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Server: kamailio (3.1.1 (i386/linux))</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Length: 0</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">User Datagram Protocol, Src Port: sip (5060), Dst Port: sip (5060)</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Session Initiation Protocol</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Request-Line: INVITE <a href="http://sip:3031234@100.100.100.212:5060">sip:3031234@100.100.100.212:5060</a> SIP/2.0</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Method: INVITE</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> [Resent Packet: False]</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Header</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Record-Route: <sip:100.100.100.211;lr=on></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 100.100.100.211;branch=z9hG4bK3916.41fc6fb3.0</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 100.100.100.211:5090;rport=5090;branch=z9hG4bK1QH1XDH609cUm</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Max-Forwards: 66</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> From: "camila" <<a href="mailto:sip%3A1234@100.100.100.211">sip:1234@100.100.100.211</a>>;tag=QmrB15eKrQ3Bj</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> To: <<a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a>></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Call-ID: 54a74b6a-9cf6-122e-05a0-0050bad00883</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> CSeq: 7304076 INVITE</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Contact: <<a href="http://sip:mod_sofia@100.100.100.211:5090">sip:mod_sofia@100.100.100.211:5090</a>></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d41e649 2011-01-11 12-25-55 -0600</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REFER, NOTIFY, PUBLISH, SUBSCRIBE</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Supported: timer, precondition, path, replaces</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Allow-Events: talk, hold, presence, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Type: application/sdp</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Disposition: session</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Length: 200</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> X-FS-Support: update_display</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Remote-Party-ID: "camila" <<a href="mailto:sip%3A1234@100.100.100.211">sip:1234@100.100.100.211</a>>;party=calling;screen=yes;privacy=off</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Body</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Session Description Protocol</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">User Datagram Protocol, Src Port: sip (5060), Dst Port: sip (5060)</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Session Initiation Protocol</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Status-Line: SIP/2.0 100 Trying</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Status-Code: 100</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> [Resent Packet: False]</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Header</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 100.100.100.211;branch=z9hG4bK3916.41fc6fb3.0;received=100.100.100.211</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 100.100.100.211:5090;rport=5090;branch=z9hG4bK1QH1XDH609cUm</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Record-Route: <sip:100.100.100.211;lr=on></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> From: "camila" <<a href="mailto:sip%3A1234@100.100.100.211">sip:1234@100.100.100.211</a>>;tag=QmrB15eKrQ3Bj</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> To: <<a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a>></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Call-ID: 54a74b6a-9cf6-122e-05a0-0050bad00883</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> CSeq: 7304076 INVITE</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Server: Thirdlane</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Supported: replaces, timer</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Require: timer</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Session-Expires: 1800;refresher=uas</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Contact: <<a href="mailto:sip%3A3031234@100.100.100.212">sip:3031234@100.100.100.212</a>></span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Length: 0</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">User Datagram Protocol, Src Port: sip (5060), Dst Port: sip (5060)</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Session Initiation Protocol</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Status-Line: SIP/2.0 200 OK</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Status-Code: 200</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> [Resent Packet: False]</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Header</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 100.100.100.211;branch=z9hG4bK3916.41fc6fb3.0;received=100.100.100.211</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 100.100.100.211:5090;rport=5090;branch=z9hG4bK1QH1XDH609cUm</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Record-Route: <sip:100.100.100.211;lr=on></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> From: "camila" <<a href="mailto:sip%3A1234@100.100.100.211">sip:1234@100.100.100.211</a>>;tag=QmrB15eKrQ3Bj</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> To: <<a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a>>;tag=as6727124a</span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Call-ID: 54a74b6a-9cf6-122e-05a0-0050bad00883</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> CSeq: 7304076 INVITE</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Server: Thirdlane</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Supported: replaces, timer</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Require: timer</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Session-Expires: 1800;refresher=uas</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Contact: <<a href="mailto:sip%3A3031234@100.100.100.212">sip:3031234@100.100.100.212</a>></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Type: application/sdp</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Length: 239</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Body</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Session Description Protocol</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">User Datagram Protocol, Src Port: sip (5060), Dst Port: sip (5060)</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Session Initiation Protocol</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Request-Line: ACK <a href="mailto:sip%3A3031234@100.100.100.212">sip:3031234@100.100.100.212</a> SIP/2.0</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Method: ACK</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> [Resent Packet: False]</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Header</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Record-Route: <sip:100.100.100.211;lr=on></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 100.100.100.211;branch=0</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 100.100.100.211:5090;rport=5090;branch=z9hG4bK20atZ819Xj3Dg</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Max-Forwards: 69</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> From: "camila" <<a href="mailto:sip%3A1234@100.100.100.211">sip:1234@100.100.100.211</a>>;tag=QmrB15eKrQ3Bj</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> To: <<a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a>>;tag=as6727124a</span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Call-ID: 54a74b6a-9cf6-122e-05a0-0050bad00883</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> CSeq: 7304076 ACK</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Contact: <<a href="http://sip:mod_sofia@100.100.100.211:5090">sip:mod_sofia@100.100.100.211:5090</a>></span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Length: 0</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">User Datagram Protocol, Src Port: sip (5060), Dst Port: 42772 (42772)</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Session Initiation Protocol</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Status-Line: SIP/2.0 200 OK</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Status-Code: 200</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> [Resent Packet: False]</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Header</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 64.76.148.108:42772;branch=z9hG4bK-d8754z-da0b2e4b1b5d0843-1---d8754z-;rport=42772</span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Record-Route: <sip:100.100.100.211;lr=on></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> From: "camila" <<a href="mailto:sip%3A1234@100.100.100.211">sip:1234@100.100.100.211</a>>;tag=8422566b</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> To: <<a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a>>;tag=pBZjZayFUeDSp</span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Call-ID: MjY2NDY5NTE3OTk4MzdmMjE0YWQxNWQ4MWFmY2JhMWQ.</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> CSeq: 1 INVITE</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Contact: <sip:02131234@100.100.100.211:5090;transport=udp></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d41e649 2011-01-11 12-25-55 -0600</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Accept: application/sdp</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REFER, NOTIFY, PUBLISH, SUBSCRIBE</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Supported: timer, precondition, path, replaces</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Allow-Events: talk, hold, presence, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Type: application/sdp</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Disposition: session</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Length: 249</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Remote-Party-ID: "Outbound Call" <<a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a>>;party=calling;privacy=off;screen=no</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Body</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Session Description Protocol</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">User Datagram Protocol, Src Port: 42772 (42772), Dst Port: sip (5060)</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Session Initiation Protocol</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Request-Line: ACK sip:02131234@100.100.100.211:5090;transport=udp SIP/2.0</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Method: ACK</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> [Resent Packet: False]</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Header</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Via: SIP/2.0/UDP 64.76.148.108:42772;branch=z9hG4bK-d8754z-182d537bcb534165-1---d8754z-;rport</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Max-Forwards: 70</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Route: <sip:100.100.100.211;lr></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Contact: <<a href="http://sip:1234@64.76.148.108:42772">sip:1234@64.76.148.108:42772</a>></span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> To: <<a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a>>;tag=pBZjZayFUeDSp</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> From: "camila"<<a href="mailto:sip%3A1234@100.100.100.211">sip:1234@100.100.100.211</a>>;tag=8422566b</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Call-ID: MjY2NDY5NTE3OTk4MzdmMjE0YWQxNWQ4MWFmY2JhMWQ.</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> CSeq: 1 ACK</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> User-Agent: Bria release 2.2 stamp 45414</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Length: 0</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">User Datagram Protocol, Src Port: sip (5060), Dst Port: 42772 (42772)</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Session Initiation Protocol</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Status-Line: SIP/2.0 200 OK</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Status-Code: 200</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> [Resent Packet: True]</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> [Suspected resend of frame: 7]</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Header</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span><span style="font-size:10.0pt;font-family:Consolas">Via: SIP/2.0/UDP 64.76.148.108:42772;branch=z9hG4bK-d8754z-da0b2e4b1b5d0843-1---d8754z-;rport=42772</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> </span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">Record-Route: <sip:100.100.100.211;lr=on></span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> From: "camila" <<a href="mailto:sip%3A1234@100.100.100.211">sip:1234@100.100.100.211</a>>;tag=8422566b</span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> To: <<a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a>>;tag=pBZjZayFUeDSp</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Call-ID: MjY2NDY5NTE3OTk4MzdmMjE0YWQxNWQ4MWFmY2JhMWQ.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> CSeq: 1 INVITE</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Contact: <sip:02131234@100.100.100.211:5090;transport=udp></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d41e649 2011-01-11 12-25-55 -0600</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Accept: application/sdp</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REFER, NOTIFY, PUBLISH, SUBSCRIBE</span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Supported: timer, precondition, path, replaces</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Allow-Events: talk, hold, presence, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Type: application/sdp</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Disposition: session</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Content-Length: 249</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Remote-Party-ID: "Outbound Call" <<a href="mailto:sip%3A02131234@100.100.100.211">sip:02131234@100.100.100.211</a>>;party=calling;privacy=off;screen=no</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Message Body</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> Session Description Protocol</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">When I removed Freeswitch from the path the ACK is routed ok.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">The ACK is routed by loose_route, but then it fails because the</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">if ( t_check_trans() ) {</span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal">
<span lang="EN-US" style="font-size:10.0pt;font-family:Consolas"> </span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas">What could be happening?</span></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"> </span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Regards,</span></b></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Ricardo.-</span></b></p>
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