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    I cannot find any network problems. <br>
    <br>
    interface: any<br>
    filter: (ip or ip6) and ( net 192.168.1.12 or net 192.168.1.11 )<br>
    <br>
    #<br>
    U 192.168.1.12:2048 -&gt; 192.168.1.4:5060<br>
    INVITE <a class="moz-txt-link-freetext" href="sip:240@entwick1;user=phone">sip:240@entwick1;user=phone</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP
    192.168.1.12:2048;branch=z9hG4bK-v4ybiqjk8t4e;rport.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vx1czcrfys.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1;user=phone">&lt;sip:240@entwick1;user=phone&gt;</a>.<br>
    Call-ID: 3c28bad818ad-q0ms60zsfpst.<br>
    CSeq: 1 INVITE.<br>
    Max-Forwards: 70.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:220@192.168.1.12:2048;line=9yhon28z">&lt;sip:220@192.168.1.12:2048;line=9yhon28z&gt;</a>;reg-id=1.<br>
    P-Key-Flags: keys="3".<br>
    User-Agent: snom300/7.3.30.<br>
    Accept: application/sdp.<br>
    Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE,
    PRACK, MESSAGE, INFO.<br>
    Allow-Events: talk, hold, refer, call-info.<br>
    Supported: timer, 100rel, replaces, from-change.<br>
    Session-Expires: 3600;refresher=uas.<br>
    Min-SE: 90.<br>
    Content-Type: application/sdp.<br>
    Content-Length: 218.<br>
    .<br>
    v=0.<br>
    o=root 930692018 930692018 IN IP4 192.168.1.12.<br>
    s=call.<br>
    c=IN IP4 192.168.1.12.<br>
    t=0 0.<br>
    m=audio 49908 RTP/AVP 8 101.<br>
    a=rtpmap:8 pcma/8000.<br>
    a=rtpmap:101 telephone-event/8000.<br>
    a=fmtp:101 0-16.<br>
    a=ptime:20.<br>
    a=sendrecv.<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.12:2048<br>
    SIP/2.0 100 Trying.<br>
    Via: SIP/2.0/UDP
    192.168.1.12:2048;branch=z9hG4bK-v4ybiqjk8t4e;rport=2048.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vx1czcrfys.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1;user=phone">&lt;sip:240@entwick1;user=phone&gt;</a>.<br>
    Call-ID: 3c28bad818ad-q0ms60zsfpst.<br>
    CSeq: 1 INVITE.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.12:2048<br>
    SIP/2.0 407 Proxy Authentication Required.<br>
    Via: SIP/2.0/UDP
    192.168.1.12:2048;branch=z9hG4bK-v4ybiqjk8t4e;rport=2048.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vx1czcrfys.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1;user=phone">&lt;sip:240@entwick1;user=phone&gt;</a>;tag=rFZa6489Z27rK.<br>
    Call-ID: 3c28bad818ad-q0ms60zsfpst.<br>
    CSeq: 1 INVITE.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Accept: application/sdp.<br>
    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
    REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.<br>
    Supported: timer, precondition, path, replaces.<br>
    Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
    sla, include-session-description, presence.winfo, message-summary,
    refer.<br>
    Proxy-Authenticate: Digest realm="entwick1",
    nonce="b755765a-a341-4070-a981-dff43e8f7d08", algorithm=MD5,
    qop="auth".<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.12:2048 -&gt; 192.168.1.4:5060<br>
    ACK <a class="moz-txt-link-freetext" href="sip:240@entwick1;user=phone">sip:240@entwick1;user=phone</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP
    192.168.1.12:2048;branch=z9hG4bK-v4ybiqjk8t4e;rport.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vx1czcrfys.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1;user=phone">&lt;sip:240@entwick1;user=phone&gt;</a>;tag=rFZa6489Z27rK.<br>
    Call-ID: 3c28bad818ad-q0ms60zsfpst.<br>
    CSeq: 1 ACK.<br>
    Max-Forwards: 70.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:220@192.168.1.12:2048;line=9yhon28z">&lt;sip:220@192.168.1.12:2048;line=9yhon28z&gt;</a>;reg-id=1.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.12:2048 -&gt; 192.168.1.4:5060<br>
    INVITE <a class="moz-txt-link-freetext" href="sip:240@entwick1;user=phone">sip:240@entwick1;user=phone</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP
    192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vx1czcrfys.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1;user=phone">&lt;sip:240@entwick1;user=phone&gt;</a>.<br>
    Call-ID: 3c28bad818ad-q0ms60zsfpst.<br>
    CSeq: 2 INVITE.<br>
    Max-Forwards: 70.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:220@192.168.1.12:2048;line=9yhon28z">&lt;sip:220@192.168.1.12:2048;line=9yhon28z&gt;</a>;reg-id=1.<br>
    P-Key-Flags: keys="3".<br>
    User-Agent: snom300/7.3.30.<br>
    Accept: application/sdp.<br>
    Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE,
    PRACK, MESSAGE, INFO.<br>
    Allow-Events: talk, hold, refer, call-info.<br>
    Supported: timer, 100rel, replaces, from-change.<br>
    Session-Expires: 3600;refresher=uas.<br>
    Min-SE: 90.<br>
    Proxy-Authorization: Digest
username="220",realm="entwick1",nonce="b755765a-a341-4070-a981-dff43e8f7d08",uri=<a class="moz-txt-link-rfc2396E" href="sip:240@entwick1;user=phone">"sip:240@entwick1;user=phone"</a>,qop=auth,nc=00000001,cnonce="408b0a1e",response="3261384c8f62187a6486c1fee434d06a",algorithm=MD5.<br>
    Content-Type: application/sdp.<br>
    Content-Length: 218.<br>
    .<br>
    v=0.<br>
    o=root 930692018 930692018 IN IP4 192.168.1.12.<br>
    s=call.<br>
    c=IN IP4 192.168.1.12.<br>
    t=0 0.<br>
    m=audio 49908 RTP/AVP 8 101.<br>
    a=rtpmap:8 pcma/8000.<br>
    a=rtpmap:101 telephone-event/8000.<br>
    a=fmtp:101 0-16.<br>
    a=ptime:20.<br>
    a=sendrecv.<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.12:2048<br>
    SIP/2.0 100 Trying.<br>
    Via: SIP/2.0/UDP
    192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport=2048.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vx1czcrfys.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1;user=phone">&lt;sip:240@entwick1;user=phone&gt;</a>.<br>
    Call-ID: 3c28bad818ad-q0ms60zsfpst.<br>
    CSeq: 2 INVITE.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.12:2048<br>
    SIP/2.0 180 Ringing.<br>
    Via: SIP/2.0/UDP
    192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport=2048.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vx1czcrfys.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1;user=phone">&lt;sip:240@entwick1;user=phone&gt;</a>;tag=Srr37ZSDXByBF.<br>
    Call-ID: 3c28bad818ad-q0ms60zsfpst.<br>
    CSeq: 2 INVITE.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.4:5060;transport=udp">&lt;sip:240@192.168.1.4:5060;transport=udp&gt;</a>.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Accept: application/sdp.<br>
    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
    REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.<br>
    Supported: timer, precondition, path, replaces.<br>
    Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
    sla, include-session-description, presence.winfo, message-summary,
    refer.<br>
    Content-Length: 0.<br>
    Remote-Party-ID: "240"
    <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1">&lt;sip:240@entwick1&gt;</a>;party=calling;privacy=off;screen=no.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    INVITE <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=t1Hv9taHtmmya.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Call-ID: ad561287-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:mod_sofia@192.168.1.4:5060">&lt;sip:mod_sofia@192.168.1.4:5060&gt;</a>.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
    REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.<br>
    Supported: timer, precondition, path, replaces.<br>
    Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
    sla, include-session-description, presence.winfo, message-summary,
    refer.<br>
    Session-Expires: 120;refresher=uac.<br>
    Min-SE: 120.<br>
    Content-Type: application/sdp.<br>
    Content-Disposition: session.<br>
    Content-Length: 233.<br>
    P-Key-Flags: keys="3".<br>
    X-FS-Support: update_display,send_info.<br>
    Remote-Party-ID: "User 220"
    <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;party=calling;screen=yes;privacy=off.<br>
    .<br>
    v=0.<br>
    o=FreeSWITCH 1328729538 1328729539 IN IP4 192.168.1.4.<br>
    s=FreeSWITCH.<br>
    c=IN IP4 192.168.1.4.<br>
    t=0 0.<br>
    m=audio 22000 RTP/AVP 8 0 98 3 18 101 13.<br>
    a=rtpmap:98 SPEEX/8000.<br>
    a=rtpmap:101 telephone-event/8000.<br>
    a=fmtp:101 0-16.<br>
    a=ptime:20.<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    INVITE <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=UaBNBpUmQXaHp.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:mod_sofia@192.168.1.4:5060">&lt;sip:mod_sofia@192.168.1.4:5060&gt;</a>.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
    REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.<br>
    Supported: timer, precondition, path, replaces.<br>
    Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
    sla, include-session-description, presence.winfo, message-summary,
    refer.<br>
    Session-Expires: 120;refresher=uac.<br>
    Min-SE: 120.<br>
    Content-Type: application/sdp.<br>
    Content-Disposition: session.<br>
    Content-Length: 233.<br>
    P-Key-Flags: keys="3".<br>
    X-FS-Support: update_display,send_info.<br>
    Remote-Party-ID: "User 220"
    <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;party=calling;screen=yes;privacy=off.<br>
    .<br>
    v=0.<br>
    o=FreeSWITCH 1328731870 1328731871 IN IP4 192.168.1.4.<br>
    s=FreeSWITCH.<br>
    c=IN IP4 192.168.1.4.<br>
    t=0 0.<br>
    m=audio 19668 RTP/AVP 8 0 98 3 18 101 13.<br>
    a=rtpmap:98 SPEEX/8000.<br>
    a=rtpmap:101 telephone-event/8000.<br>
    a=fmtp:101 0-16.<br>
    a=ptime:20.<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    INVITE <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK6Z7Nj757v5XSp.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vK4DDHcrm603H.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Call-ID: ad5660f4-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:mod_sofia@192.168.1.4:5060">&lt;sip:mod_sofia@192.168.1.4:5060&gt;</a>.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
    REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.<br>
    Supported: timer, precondition, path, replaces.<br>
    Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
    sla, include-session-description, presence.winfo, message-summary,
    refer.<br>
    Session-Expires: 120;refresher=uac.<br>
    Min-SE: 120.<br>
    Content-Type: application/sdp.<br>
    Content-Disposition: session.<br>
    Content-Length: 233.<br>
    P-Key-Flags: keys="3".<br>
    X-FS-Support: update_display,send_info.<br>
    Remote-Party-ID: "User 220"
    <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;party=calling;screen=yes;privacy=off.<br>
    .<br>
    v=0.<br>
    o=FreeSWITCH 1328721426 1328721427 IN IP4 192.168.1.4.<br>
    s=FreeSWITCH.<br>
    c=IN IP4 192.168.1.4.<br>
    t=0 0.<br>
    m=audio 30112 RTP/AVP 8 0 98 3 18 101 13.<br>
    a=rtpmap:98 SPEEX/8000.<br>
    a=rtpmap:101 telephone-event/8000.<br>
    a=fmtp:101 0-16.<br>
    a=ptime:20.<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    INVITE <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK780em2pBtemcj.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=XvX6ecXUHFQpD.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Call-ID: ad566b4a-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:mod_sofia@192.168.1.4:5060">&lt;sip:mod_sofia@192.168.1.4:5060&gt;</a>.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
    REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.<br>
    Supported: timer, precondition, path, replaces.<br>
    Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
    sla, include-session-description, presence.winfo, message-summary,
    refer.<br>
    Session-Expires: 120;refresher=uac.<br>
    Min-SE: 120.<br>
    Content-Type: application/sdp.<br>
    Content-Disposition: session.<br>
    Content-Length: 233.<br>
    P-Key-Flags: keys="3".<br>
    X-FS-Support: update_display,send_info.<br>
    Remote-Party-ID: "User 220"
    <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;party=calling;screen=yes;privacy=off.<br>
    .<br>
    v=0.<br>
    o=FreeSWITCH 1328730428 1328730429 IN IP4 192.168.1.4.<br>
    s=FreeSWITCH.<br>
    c=IN IP4 192.168.1.4.<br>
    t=0 0.<br>
    m=audio 21110 RTP/AVP 8 0 98 3 18 101 13.<br>
    a=rtpmap:98 SPEEX/8000.<br>
    a=rtpmap:101 telephone-event/8000.<br>
    a=fmtp:101 0-16.<br>
    a=ptime:20.<br>
    <br>
    #<br>
    U 192.168.1.11:5060 -&gt; 192.168.1.4:5060<br>
    SIP/2.0 180 Ringing.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.<br>
    Call-ID: ad561287-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=t1Hv9taHtmmya.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=iN29e6PanzlAC2JA.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.11:5060 -&gt; 192.168.1.4:5060<br>
    SIP/2.0 486 Busy Here.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.<br>
    Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=UaBNBpUmQXaHp.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=vrAASGKzlwRxb5pm.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    ACK <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=UaBNBpUmQXaHp.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=vrAASGKzlwRxb5pm.<br>
    Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 ACK.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.11:5060 -&gt; 192.168.1.4:5060<br>
    SIP/2.0 486 Busy Here.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK6Z7Nj757v5XSp.<br>
    Call-ID: ad5660f4-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vK4DDHcrm603H.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=2Urps2fOoZQSDiid.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    ACK <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK6Z7Nj757v5XSp.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vK4DDHcrm603H.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=2Urps2fOoZQSDiid.<br>
    Call-ID: ad5660f4-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 ACK.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    INVITE <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK780em2pBtemcj.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=XvX6ecXUHFQpD.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Call-ID: ad566b4a-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:mod_sofia@192.168.1.4:5060">&lt;sip:mod_sofia@192.168.1.4:5060&gt;</a>.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
    REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.<br>
    Supported: timer, precondition, path, replaces.<br>
    Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
    sla, include-session-description, presence.winfo, message-summary,
    refer.<br>
    Session-Expires: 120;refresher=uac.<br>
    Min-SE: 120.<br>
    Content-Type: application/sdp.<br>
    Content-Disposition: session.<br>
    Content-Length: 233.<br>
    P-Key-Flags: keys="3".<br>
    X-FS-Support: update_display,send_info.<br>
    Remote-Party-ID: "User 220"
    <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;party=calling;screen=yes;privacy=off.<br>
    .<br>
    v=0.<br>
    o=FreeSWITCH 1328730428 1328730429 IN IP4 192.168.1.4.<br>
    s=FreeSWITCH.<br>
    c=IN IP4 192.168.1.4.<br>
    t=0 0.<br>
    m=audio 21110 RTP/AVP 8 0 98 3 18 101 13.<br>
    a=rtpmap:98 SPEEX/8000.<br>
    a=rtpmap:101 telephone-event/8000.<br>
    a=fmtp:101 0-16.<br>
    a=ptime:20.<br>
    <br>
    #<br>
    U 192.168.1.11:5060 -&gt; 192.168.1.4:5060<br>
    SIP/2.0 486 Busy Here.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK780em2pBtemcj.<br>
    Call-ID: ad566b4a-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=XvX6ecXUHFQpD.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=qh5PsDcfdulD0LlQ.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    ACK <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK780em2pBtemcj.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=XvX6ecXUHFQpD.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=qh5PsDcfdulD0LlQ.<br>
    Call-ID: ad566b4a-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 ACK.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.11:5060 -&gt; 192.168.1.4:5060<br>
    SIP/2.0 486 Busy Here.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.<br>
    Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=UaBNBpUmQXaHp.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=vrAASGKzlwRxb5pm.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    ACK <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=UaBNBpUmQXaHp.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=vrAASGKzlwRxb5pm.<br>
    Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 ACK.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.11:5060 -&gt; 192.168.1.4:5060<br>
    SIP/2.0 486 Busy Here.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.<br>
    Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=UaBNBpUmQXaHp.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=vrAASGKzlwRxb5pm.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    ACK <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=UaBNBpUmQXaHp.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=vrAASGKzlwRxb5pm.<br>
    Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 ACK.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    OPTIONS <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK8Ht7NX7eQQaZD.<br>
    Max-Forwards: 70.<br>
    From: <a class="moz-txt-link-rfc2396E" href="sip:mod_sofia@192.168.1.4:5060">&lt;sip:mod_sofia@192.168.1.4:5060&gt;</a>;tag=y5pZg7DZerD9r.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1">&lt;sip:240@entwick1&gt;</a>.<br>
    Call-ID: b0fa8901-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24029141 OPTIONS.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:mod_sofia@192.168.1.4:5060">&lt;sip:mod_sofia@192.168.1.4:5060&gt;</a>.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
    REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.<br>
    Supported: timer, precondition, path, replaces.<br>
    Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
    sla, include-session-description, presence.winfo, message-summary,
    refer.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.12:2048<br>
    OPTIONS <a class="moz-txt-link-freetext" href="sip:220@192.168.1.12:2048;line=9yhon28z">sip:220@192.168.1.12:2048;line=9yhon28z</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK9tK0Qrrjm00HS.<br>
    Max-Forwards: 70.<br>
    From: <a class="moz-txt-link-rfc2396E" href="sip:mod_sofia@192.168.1.4:5060">&lt;sip:mod_sofia@192.168.1.4:5060&gt;</a>;tag=Zegrj2y2B13Um.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>.<br>
    Call-ID: b0fa9032-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24029142 OPTIONS.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:mod_sofia@192.168.1.4:5060">&lt;sip:mod_sofia@192.168.1.4:5060&gt;</a>.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
    REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.<br>
    Supported: timer, precondition, path, replaces.<br>
    Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
    sla, include-session-description, presence.winfo, message-summary,
    refer.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.12:2048 -&gt; 192.168.1.4:5060<br>
    SIP/2.0 200 OK.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport=5060;branch=z9hG4bK9tK0Qrrjm00HS.<br>
    From: <a class="moz-txt-link-rfc2396E" href="sip:mod_sofia@192.168.1.4:5060">&lt;sip:mod_sofia@192.168.1.4:5060&gt;</a>;tag=Zegrj2y2B13Um.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>.<br>
    Call-ID: b0fa9032-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24029142 OPTIONS.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:220@192.168.1.12:2048;line=9yhon28z">&lt;sip:220@192.168.1.12:2048;line=9yhon28z&gt;</a>;reg-id=1.<br>
    User-Agent: snom300/7.3.30.<br>
    Accept-Language: en.<br>
    Accept: application/sdp.<br>
    Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE,
    PRACK, MESSAGE, INFO.<br>
    Allow-Events: talk, hold, refer, call-info.<br>
    Supported: timer, 100rel, replaces, from-change.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.11:5060 -&gt; 192.168.1.4:5060<br>
    SIP/2.0 486 Busy Here.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK8Ht7NX7eQQaZD.<br>
    Call-ID: b0fa8901-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24029141 OPTIONS.<br>
    From: <a class="moz-txt-link-rfc2396E" href="sip:mod_sofia@192.168.1.4:5060">&lt;sip:mod_sofia@192.168.1.4:5060&gt;</a>;tag=y5pZg7DZerD9r.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1">&lt;sip:240@entwick1&gt;</a>;tag=4rjgSs2dsNvcVyjW.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Allow: INVITE, ACK, OPTIONS, BYE, CANCEL, REGISTER, REFER, NOTIFY,
    INFO, PRACK, UPDATE.<br>
    Accept: application/sdp.<br>
    Accept-Encoding: identity.<br>
    Accept-Language: en.<br>
    Supported: 100rel, replaces.<br>
    Content-Type: application/sdp.<br>
    Content-Length: 267.<br>
    .<br>
    v=0.<br>
    o=240 32101693 45791413 IN IP4 192.168.1.11.<br>
    s=SIP CALL.<br>
    c=IN IP4 192.168.1.11.<br>
    t=0 0.<br>
    m=audio 6000 RTP/AVP 8 0 3 18 101.<br>
    a=rtpmap:8 PCMA/8000.<br>
    a=rtpmap:0 PCMU/8000.<br>
    a=rtpmap:3 GSM/8000.<br>
    a=rtpmap:18 G729/8000.<br>
    a=rtpmap:101 telephone-event/8000.<br>
    a=fmtp:101 0-15.<br>
    <br>
    #<br>
    U 192.168.1.12:2048 -&gt; 192.168.1.4:5060<br>
    CANCEL <a class="moz-txt-link-freetext" href="sip:240@entwick1;user=phone">sip:240@entwick1;user=phone</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP
    192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vx1czcrfys.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1;user=phone">&lt;sip:240@entwick1;user=phone&gt;</a>.<br>
    Call-ID: 3c28bad818ad-q0ms60zsfpst.<br>
    CSeq: 2 CANCEL.<br>
    Max-Forwards: 70.<br>
    Reason: SIP;cause=487;text="Request terminated by user".<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.12:2048<br>
    SIP/2.0 200 OK.<br>
    Via: SIP/2.0/UDP
    192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport=2048.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vx1czcrfys.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1;user=phone">&lt;sip:240@entwick1;user=phone&gt;</a>;tag=Srr37ZSDXByBF.<br>
    Call-ID: 3c28bad818ad-q0ms60zsfpst.<br>
    CSeq: 2 CANCEL.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.12:2048<br>
    SIP/2.0 487 Request Terminated.<br>
    Via: SIP/2.0/UDP
    192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport=2048.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=vx1czcrfys.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@entwick1;user=phone">&lt;sip:240@entwick1;user=phone&gt;</a>;tag=Srr37ZSDXByBF.<br>
    Call-ID: 3c28bad818ad-q0ms60zsfpst.<br>
    CSeq: 2 INVITE.<br>
    User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
    14-12-22 -0600.<br>
    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
    REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.<br>
    Supported: timer, precondition, path, replaces.<br>
    Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
    sla, include-session-description, presence.winfo, message-summary,
    refer.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    CANCEL <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=t1Hv9taHtmmya.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Call-ID: ad561287-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 CANCEL.<br>
    Reason: FreeSWITCH;cause=487;text="ORIGINATOR_CANCEL".<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.11:5060 -&gt; 192.168.1.4:5060<br>
    SIP/2.0 200 OK.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.<br>
    Call-ID: ad561287-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 CANCEL.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=t1Hv9taHtmmya.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=iN29e6PanzlAC2JA.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.11:5060 -&gt; 192.168.1.4:5060<br>
    SIP/2.0 487 Request Terminated.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.<br>
    Call-ID: ad561287-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 INVITE.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=t1Hv9taHtmmya.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=iN29e6PanzlAC2JA.<br>
    Contact: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    U 192.168.1.4:5060 -&gt; 192.168.1.11:5060<br>
    ACK <a class="moz-txt-link-freetext" href="sip:240@192.168.1.11:5060">sip:240@192.168.1.11:5060</a> SIP/2.0.<br>
    Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.<br>
    Max-Forwards: 69.<br>
    From: "User 220" <a class="moz-txt-link-rfc2396E" href="sip:220@entwick1">&lt;sip:220@entwick1&gt;</a>;tag=t1Hv9taHtmmya.<br>
    To: <a class="moz-txt-link-rfc2396E" href="sip:240@192.168.1.11:5060">&lt;sip:240@192.168.1.11:5060&gt;</a>;tag=iN29e6PanzlAC2JA.<br>
    Call-ID: ad561287-cd61-122f-8d91-001966eeb846.<br>
    CSeq: 24039705 ACK.<br>
    Content-Length: 0.<br>
    .<br>
    <br>
    #<br>
    <br>
    Am 08.02.2012 18:36, schrieb Michael Collins:
    <blockquote
cite="mid:CAKzWOxVoNuWLR-YJ8A0oDTZ+GBeJ9bMM0SaOTuwGRk9+mWD8yg@mail.gmail.com"
      type="cite"><br>
      <div class="gmail_quote">
        <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
          0.8ex; border-left: 1px solid rgb(204, 204, 204);
          padding-left: 1ex;">
          It was found that freeswitch performs multiple INVITES. But
          why?<br>
          <br>
        </blockquote>
        <br>
      </div>
      One reason why multiple invites are sent out is if FreeSWITCH
      doesn't receive anything back. This could mean the far end is down
      for some reason or that there is a network issue between FS and
      the other endpoint. NAT is a common issue in this sort of
      configuration. I recommend that you look at SIP traces on each end
      of the SIP dialog.<br>
      <br>
      -MC<br>
      <pre wrap="">
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_________________________________________________________________________
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UNSUBSCRIBE:<a class="moz-txt-link-freetext" href="http://lists.freeswitch.org/mailman/options/freeswitch-users">http://lists.freeswitch.org/mailman/options/freeswitch-users</a>
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</pre>
    </blockquote>
    <br>
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