[Freeswitch-users] Freeswitch opened multiple outbound channels for one call with different uuid

David spautz2 at telefaks.biz
Fri Feb 10 12:21:13 MSK 2012


Hi,

i found the resolution for this manner. This is not a production system. 
It is a test-system to develop a multi tenant environment. For this, i 
have defined multiple domains in /etc/hosts which matched to the same 
host IP. The default value in vars.xml for the global variable 
domain=$${local_ip_v4} leads freeswitch send sip-invites for each sofia 
profile which is defined for the host IP. Now i have replace 
$${local_ip_v4} with the first domain name.

Thanks all

David



Am 09.02.2012 20:14, schrieb Michael Collins:
> I would clear out your registrations for this user and start over. 
> Watch to see what happens when the phone registers w/ FreeSWITCH. In 
> fact, you may want to update to latest git, then zap all the *.db 
> files except for the voicemail.db one. Is this a production system? If 
> so then tread carefully or do some testing on your sandbox/test system 
> before implementing changes on the production system.
>
> -MC
>
> On Wed, Feb 8, 2012 at 5:50 PM, David <spautz2 at telefaks.biz 
> <mailto:spautz2 at telefaks.biz>> wrote:
>
>     I cannot find any network problems.
>
>     interface: any
>     filter: (ip or ip6) and ( net 192.168.1.12 or net 192.168.1.11 )
>
>     #
>     U 192.168.1.12:2048 <http://192.168.1.12:2048> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     INVITE sip:240 at entwick1;user=phone SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.12:2048;branch=z9hG4bK-v4ybiqjk8t4e;rport.
>     From: "User 220" <sip:220 at entwick1>;tag=vx1czcrfys.
>     To: <sip:240 at entwick1;user=phone>.
>     Call-ID: 3c28bad818ad-q0ms60zsfpst.
>     CSeq: 1 INVITE.
>     Max-Forwards: 70.
>     Contact: <sip:220 at 192.168.1.12:2048;line=9yhon28z>;reg-id=1.
>     P-Key-Flags: keys="3".
>     User-Agent: snom300/7.3.30. <http://7.3.30.>
>     Accept: application/sdp.
>     Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY,
>     SUBSCRIBE, PRACK, MESSAGE, INFO.
>     Allow-Events: talk, hold, refer, call-info.
>     Supported: timer, 100rel, replaces, from-change.
>     Session-Expires: 3600;refresher=uas.
>     Min-SE: 90.
>     Content-Type: application/sdp.
>     Content-Length: 218.
>     .
>     v=0.
>     o=root 930692018 930692018 IN IP4 192.168.1.12.
>     s=call.
>     c=IN IP4 192.168.1.12.
>     t=0 0.
>     m=audio 49908 RTP/AVP 8 101.
>     a=rtpmap:8 pcma/8000.
>     a=rtpmap:101 telephone-event/8000.
>     a=fmtp:101 0-16.
>     a=ptime:20.
>     a=sendrecv.
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.12:2048
>     <http://192.168.1.12:2048>
>     SIP/2.0 100 Trying.
>     Via: SIP/2.0/UDP
>     192.168.1.12:2048;branch=z9hG4bK-v4ybiqjk8t4e;rport=2048.
>     From: "User 220" <sip:220 at entwick1>;tag=vx1czcrfys.
>     To: <sip:240 at entwick1;user=phone>.
>     Call-ID: 3c28bad818ad-q0ms60zsfpst.
>     CSeq: 1 INVITE.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.12:2048
>     <http://192.168.1.12:2048>
>     SIP/2.0 407 Proxy Authentication Required.
>     Via: SIP/2.0/UDP
>     192.168.1.12:2048;branch=z9hG4bK-v4ybiqjk8t4e;rport=2048.
>     From: "User 220" <sip:220 at entwick1>;tag=vx1czcrfys.
>     To: <sip:240 at entwick1;user=phone>;tag=rFZa6489Z27rK.
>     Call-ID: 3c28bad818ad-q0ms60zsfpst.
>     CSeq: 1 INVITE.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Accept: application/sdp.
>     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>     REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
>     Supported: timer, precondition, path, replaces.
>     Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
>     sla, include-session-description, presence.winfo, message-summary,
>     refer.
>     Proxy-Authenticate: Digest realm="entwick1",
>     nonce="b755765a-a341-4070-a981-dff43e8f7d08", algorithm=MD5,
>     qop="auth".
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.12:2048 <http://192.168.1.12:2048> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     ACK sip:240 at entwick1;user=phone SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.12:2048;branch=z9hG4bK-v4ybiqjk8t4e;rport.
>     From: "User 220" <sip:220 at entwick1>;tag=vx1czcrfys.
>     To: <sip:240 at entwick1;user=phone>;tag=rFZa6489Z27rK.
>     Call-ID: 3c28bad818ad-q0ms60zsfpst.
>     CSeq: 1 ACK.
>     Max-Forwards: 70.
>     Contact: <sip:220 at 192.168.1.12:2048;line=9yhon28z>;reg-id=1.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.12:2048 <http://192.168.1.12:2048> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     INVITE sip:240 at entwick1;user=phone SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport.
>     From: "User 220" <sip:220 at entwick1>;tag=vx1czcrfys.
>     To: <sip:240 at entwick1;user=phone>.
>     Call-ID: 3c28bad818ad-q0ms60zsfpst.
>     CSeq: 2 INVITE.
>     Max-Forwards: 70.
>     Contact: <sip:220 at 192.168.1.12:2048;line=9yhon28z>;reg-id=1.
>     P-Key-Flags: keys="3".
>     User-Agent: snom300/7.3.30. <http://7.3.30.>
>     Accept: application/sdp.
>     Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY,
>     SUBSCRIBE, PRACK, MESSAGE, INFO.
>     Allow-Events: talk, hold, refer, call-info.
>     Supported: timer, 100rel, replaces, from-change.
>     Session-Expires: 3600;refresher=uas.
>     Min-SE: 90.
>     Proxy-Authorization: Digest
>     username="220",realm="entwick1",nonce="b755765a-a341-4070-a981-dff43e8f7d08",uri="sip:240 at entwick1;user=phone",qop=auth,nc=00000001,cnonce="408b0a1e",response="3261384c8f62187a6486c1fee434d06a",algorithm=MD5.
>     Content-Type: application/sdp.
>     Content-Length: 218.
>     .
>     v=0.
>     o=root 930692018 930692018 IN IP4 192.168.1.12.
>     s=call.
>     c=IN IP4 192.168.1.12.
>     t=0 0.
>     m=audio 49908 RTP/AVP 8 101.
>     a=rtpmap:8 pcma/8000.
>     a=rtpmap:101 telephone-event/8000.
>     a=fmtp:101 0-16.
>     a=ptime:20.
>     a=sendrecv.
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.12:2048
>     <http://192.168.1.12:2048>
>     SIP/2.0 100 Trying.
>     Via: SIP/2.0/UDP
>     192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport=2048.
>     From: "User 220" <sip:220 at entwick1>;tag=vx1czcrfys.
>     To: <sip:240 at entwick1;user=phone>.
>     Call-ID: 3c28bad818ad-q0ms60zsfpst.
>     CSeq: 2 INVITE.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.12:2048
>     <http://192.168.1.12:2048>
>     SIP/2.0 180 Ringing.
>     Via: SIP/2.0/UDP
>     192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport=2048.
>     From: "User 220" <sip:220 at entwick1>;tag=vx1czcrfys.
>     To: <sip:240 at entwick1;user=phone>;tag=Srr37ZSDXByBF.
>     Call-ID: 3c28bad818ad-q0ms60zsfpst.
>     CSeq: 2 INVITE.
>     Contact: <sip:240 at 192.168.1.4:5060;transport=udp>.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Accept: application/sdp.
>     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>     REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
>     Supported: timer, precondition, path, replaces.
>     Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
>     sla, include-session-description, presence.winfo, message-summary,
>     refer.
>     Content-Length: 0.
>     Remote-Party-ID: "240"
>     <sip:240 at entwick1>;party=calling;privacy=off;screen=no.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     INVITE sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=t1Hv9taHtmmya.
>     To: <sip:240 at 192.168.1.11:5060>.
>     Call-ID: ad561287-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     Contact: <sip:mod_sofia at 192.168.1.4:5060>.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>     REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
>     Supported: timer, precondition, path, replaces.
>     Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
>     sla, include-session-description, presence.winfo, message-summary,
>     refer.
>     Session-Expires: 120;refresher=uac.
>     Min-SE: 120.
>     Content-Type: application/sdp.
>     Content-Disposition: session.
>     Content-Length: 233.
>     P-Key-Flags: keys="3".
>     X-FS-Support: update_display,send_info.
>     Remote-Party-ID: "User 220"
>     <sip:220 at entwick1>;party=calling;screen=yes;privacy=off.
>     .
>     v=0.
>     o=FreeSWITCH 1328729538 1328729539 IN IP4 192.168.1.4.
>     s=FreeSWITCH.
>     c=IN IP4 192.168.1.4.
>     t=0 0.
>     m=audio 22000 RTP/AVP 8 0 98 3 18 101
>     <tel:8%200%2098%203%2018%20101> 13.
>     a=rtpmap:98 SPEEX/8000.
>     a=rtpmap:101 telephone-event/8000.
>     a=fmtp:101 0-16.
>     a=ptime:20.
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     INVITE sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=UaBNBpUmQXaHp.
>     To: <sip:240 at 192.168.1.11:5060>.
>     Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     Contact: <sip:mod_sofia at 192.168.1.4:5060>.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>     REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
>     Supported: timer, precondition, path, replaces.
>     Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
>     sla, include-session-description, presence.winfo, message-summary,
>     refer.
>     Session-Expires: 120;refresher=uac.
>     Min-SE: 120.
>     Content-Type: application/sdp.
>     Content-Disposition: session.
>     Content-Length: 233.
>     P-Key-Flags: keys="3".
>     X-FS-Support: update_display,send_info.
>     Remote-Party-ID: "User 220"
>     <sip:220 at entwick1>;party=calling;screen=yes;privacy=off.
>     .
>     v=0.
>     o=FreeSWITCH 1328731870 1328731871 IN IP4 192.168.1.4.
>     s=FreeSWITCH.
>     c=IN IP4 192.168.1.4.
>     t=0 0.
>     m=audio 19668 RTP/AVP 8 0 98 3 18 101
>     <tel:8%200%2098%203%2018%20101> 13.
>     a=rtpmap:98 SPEEX/8000.
>     a=rtpmap:101 telephone-event/8000.
>     a=fmtp:101 0-16.
>     a=ptime:20.
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     INVITE sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK6Z7Nj757v5XSp.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=vK4DDHcrm603H.
>     To: <sip:240 at 192.168.1.11:5060>.
>     Call-ID: ad5660f4-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     Contact: <sip:mod_sofia at 192.168.1.4:5060>.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>     REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
>     Supported: timer, precondition, path, replaces.
>     Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
>     sla, include-session-description, presence.winfo, message-summary,
>     refer.
>     Session-Expires: 120;refresher=uac.
>     Min-SE: 120.
>     Content-Type: application/sdp.
>     Content-Disposition: session.
>     Content-Length: 233.
>     P-Key-Flags: keys="3".
>     X-FS-Support: update_display,send_info.
>     Remote-Party-ID: "User 220"
>     <sip:220 at entwick1>;party=calling;screen=yes;privacy=off.
>     .
>     v=0.
>     o=FreeSWITCH 1328721426 1328721427 IN IP4 192.168.1.4.
>     s=FreeSWITCH.
>     c=IN IP4 192.168.1.4.
>     t=0 0.
>     m=audio 30112 RTP/AVP 8 0 98 3 18 101
>     <tel:8%200%2098%203%2018%20101> 13.
>     a=rtpmap:98 SPEEX/8000.
>     a=rtpmap:101 telephone-event/8000.
>     a=fmtp:101 0-16.
>     a=ptime:20.
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     INVITE sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK780em2pBtemcj.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=XvX6ecXUHFQpD.
>     To: <sip:240 at 192.168.1.11:5060>.
>     Call-ID: ad566b4a-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     Contact: <sip:mod_sofia at 192.168.1.4:5060>.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>     REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
>     Supported: timer, precondition, path, replaces.
>     Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
>     sla, include-session-description, presence.winfo, message-summary,
>     refer.
>     Session-Expires: 120;refresher=uac.
>     Min-SE: 120.
>     Content-Type: application/sdp.
>     Content-Disposition: session.
>     Content-Length: 233.
>     P-Key-Flags: keys="3".
>     X-FS-Support: update_display,send_info.
>     Remote-Party-ID: "User 220"
>     <sip:220 at entwick1>;party=calling;screen=yes;privacy=off.
>     .
>     v=0.
>     o=FreeSWITCH 1328730428 1328730429 IN IP4 192.168.1.4.
>     s=FreeSWITCH.
>     c=IN IP4 192.168.1.4.
>     t=0 0.
>     m=audio 21110 RTP/AVP 8 0 98 3 18 101
>     <tel:8%200%2098%203%2018%20101> 13.
>     a=rtpmap:98 SPEEX/8000.
>     a=rtpmap:101 telephone-event/8000.
>     a=fmtp:101 0-16.
>     a=ptime:20.
>
>     #
>     U 192.168.1.11:5060 <http://192.168.1.11:5060> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     SIP/2.0 180 Ringing.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.
>     Call-ID: ad561287-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     From: "User 220" <sip:220 at entwick1>;tag=t1Hv9taHtmmya.
>     To: <sip:240 at 192.168.1.11:5060>;tag=iN29e6PanzlAC2JA.
>     Contact: <sip:240 at 192.168.1.11:5060>.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.11:5060 <http://192.168.1.11:5060> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     SIP/2.0 486 Busy Here.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.
>     Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     From: "User 220" <sip:220 at entwick1>;tag=UaBNBpUmQXaHp.
>     To: <sip:240 at 192.168.1.11:5060>;tag=vrAASGKzlwRxb5pm.
>     Contact: <sip:240 at 192.168.1.11:5060>.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     ACK sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=UaBNBpUmQXaHp.
>     To: <sip:240 at 192.168.1.11:5060>;tag=vrAASGKzlwRxb5pm.
>     Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 ACK.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.11:5060 <http://192.168.1.11:5060> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     SIP/2.0 486 Busy Here.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK6Z7Nj757v5XSp.
>     Call-ID: ad5660f4-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     From: "User 220" <sip:220 at entwick1>;tag=vK4DDHcrm603H.
>     To: <sip:240 at 192.168.1.11:5060>;tag=2Urps2fOoZQSDiid.
>     Contact: <sip:240 at 192.168.1.11:5060>.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     ACK sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK6Z7Nj757v5XSp.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=vK4DDHcrm603H.
>     To: <sip:240 at 192.168.1.11:5060>;tag=2Urps2fOoZQSDiid.
>     Call-ID: ad5660f4-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 ACK.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     INVITE sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK780em2pBtemcj.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=XvX6ecXUHFQpD.
>     To: <sip:240 at 192.168.1.11:5060>.
>     Call-ID: ad566b4a-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     Contact: <sip:mod_sofia at 192.168.1.4:5060>.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>     REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
>     Supported: timer, precondition, path, replaces.
>     Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
>     sla, include-session-description, presence.winfo, message-summary,
>     refer.
>     Session-Expires: 120;refresher=uac.
>     Min-SE: 120.
>     Content-Type: application/sdp.
>     Content-Disposition: session.
>     Content-Length: 233.
>     P-Key-Flags: keys="3".
>     X-FS-Support: update_display,send_info.
>     Remote-Party-ID: "User 220"
>     <sip:220 at entwick1>;party=calling;screen=yes;privacy=off.
>     .
>     v=0.
>     o=FreeSWITCH 1328730428 1328730429 IN IP4 192.168.1.4.
>     s=FreeSWITCH.
>     c=IN IP4 192.168.1.4.
>     t=0 0.
>     m=audio 21110 RTP/AVP 8 0 98 3 18 101
>     <tel:8%200%2098%203%2018%20101> 13.
>     a=rtpmap:98 SPEEX/8000.
>     a=rtpmap:101 telephone-event/8000.
>     a=fmtp:101 0-16.
>     a=ptime:20.
>
>     #
>     U 192.168.1.11:5060 <http://192.168.1.11:5060> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     SIP/2.0 486 Busy Here.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK780em2pBtemcj.
>     Call-ID: ad566b4a-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     From: "User 220" <sip:220 at entwick1>;tag=XvX6ecXUHFQpD.
>     To: <sip:240 at 192.168.1.11:5060>;tag=qh5PsDcfdulD0LlQ.
>     Contact: <sip:240 at 192.168.1.11:5060>.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     ACK sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK780em2pBtemcj.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=XvX6ecXUHFQpD.
>     To: <sip:240 at 192.168.1.11:5060>;tag=qh5PsDcfdulD0LlQ.
>     Call-ID: ad566b4a-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 ACK.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.11:5060 <http://192.168.1.11:5060> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     SIP/2.0 486 Busy Here.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.
>     Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     From: "User 220" <sip:220 at entwick1>;tag=UaBNBpUmQXaHp.
>     To: <sip:240 at 192.168.1.11:5060>;tag=vrAASGKzlwRxb5pm.
>     Contact: <sip:240 at 192.168.1.11:5060>.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     ACK sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=UaBNBpUmQXaHp.
>     To: <sip:240 at 192.168.1.11:5060>;tag=vrAASGKzlwRxb5pm.
>     Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 ACK.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.11:5060 <http://192.168.1.11:5060> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     SIP/2.0 486 Busy Here.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.
>     Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     From: "User 220" <sip:220 at entwick1>;tag=UaBNBpUmQXaHp.
>     To: <sip:240 at 192.168.1.11:5060>;tag=vrAASGKzlwRxb5pm.
>     Contact: <sip:240 at 192.168.1.11:5060>.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     ACK sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK5peXgcN4Zv76a.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=UaBNBpUmQXaHp.
>     To: <sip:240 at 192.168.1.11:5060>;tag=vrAASGKzlwRxb5pm.
>     Call-ID: ad56546a-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 ACK.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     OPTIONS sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK8Ht7NX7eQQaZD.
>     Max-Forwards: 70.
>     From: <sip:mod_sofia at 192.168.1.4:5060>;tag=y5pZg7DZerD9r.
>     To: <sip:240 at entwick1>.
>     Call-ID: b0fa8901-cd61-122f-8d91-001966eeb846.
>     CSeq: 24029141 OPTIONS.
>     Contact: <sip:mod_sofia at 192.168.1.4:5060>.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>     REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
>     Supported: timer, precondition, path, replaces.
>     Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
>     sla, include-session-description, presence.winfo, message-summary,
>     refer.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.12:2048
>     <http://192.168.1.12:2048>
>     OPTIONS sip:220 at 192.168.1.12:2048;line=9yhon28z SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK9tK0Qrrjm00HS.
>     Max-Forwards: 70.
>     From: <sip:mod_sofia at 192.168.1.4:5060>;tag=Zegrj2y2B13Um.
>     To: <sip:220 at entwick1>.
>     Call-ID: b0fa9032-cd61-122f-8d91-001966eeb846.
>     CSeq: 24029142 OPTIONS.
>     Contact: <sip:mod_sofia at 192.168.1.4:5060>.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>     REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
>     Supported: timer, precondition, path, replaces.
>     Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
>     sla, include-session-description, presence.winfo, message-summary,
>     refer.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.12:2048 <http://192.168.1.12:2048> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     SIP/2.0 200 OK.
>     Via: SIP/2.0/UDP 192.168.1.4;rport=5060;branch=z9hG4bK9tK0Qrrjm00HS.
>     From: <sip:mod_sofia at 192.168.1.4:5060>;tag=Zegrj2y2B13Um.
>     To: <sip:220 at entwick1>.
>     Call-ID: b0fa9032-cd61-122f-8d91-001966eeb846.
>     CSeq: 24029142 OPTIONS.
>     Contact: <sip:220 at 192.168.1.12:2048;line=9yhon28z>;reg-id=1.
>     User-Agent: snom300/7.3.30. <http://7.3.30.>
>     Accept-Language: en.
>     Accept: application/sdp.
>     Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY,
>     SUBSCRIBE, PRACK, MESSAGE, INFO.
>     Allow-Events: talk, hold, refer, call-info.
>     Supported: timer, 100rel, replaces, from-change.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.11:5060 <http://192.168.1.11:5060> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     SIP/2.0 486 Busy Here.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK8Ht7NX7eQQaZD.
>     Call-ID: b0fa8901-cd61-122f-8d91-001966eeb846.
>     CSeq: 24029141 OPTIONS.
>     From: <sip:mod_sofia at 192.168.1.4:5060>;tag=y5pZg7DZerD9r.
>     To: <sip:240 at entwick1>;tag=4rjgSs2dsNvcVyjW.
>     Contact: <sip:240 at 192.168.1.11:5060>.
>     Allow: INVITE, ACK, OPTIONS, BYE, CANCEL, REGISTER, REFER, NOTIFY,
>     INFO, PRACK, UPDATE.
>     Accept: application/sdp.
>     Accept-Encoding: identity.
>     Accept-Language: en.
>     Supported: 100rel, replaces.
>     Content-Type: application/sdp.
>     Content-Length: 267.
>     .
>     v=0.
>     o=240 32101693 45791413 IN IP4 192.168.1.11.
>     s=SIP CALL.
>     c=IN IP4 192.168.1.11.
>     t=0 0.
>     m=audio 6000 RTP/AVP 8 0 3 18 101.
>     a=rtpmap:8 PCMA/8000.
>     a=rtpmap:0 PCMU/8000.
>     a=rtpmap:3 GSM/8000.
>     a=rtpmap:18 G729/8000.
>     a=rtpmap:101 telephone-event/8000.
>     a=fmtp:101 0-15.
>
>     #
>     U 192.168.1.12:2048 <http://192.168.1.12:2048> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     CANCEL sip:240 at entwick1;user=phone SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport.
>     From: "User 220" <sip:220 at entwick1>;tag=vx1czcrfys.
>     To: <sip:240 at entwick1;user=phone>.
>     Call-ID: 3c28bad818ad-q0ms60zsfpst.
>     CSeq: 2 CANCEL.
>     Max-Forwards: 70.
>     Reason: SIP;cause=487;text="Request terminated by user".
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.12:2048
>     <http://192.168.1.12:2048>
>     SIP/2.0 200 OK.
>     Via: SIP/2.0/UDP
>     192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport=2048.
>     From: "User 220" <sip:220 at entwick1>;tag=vx1czcrfys.
>     To: <sip:240 at entwick1;user=phone>;tag=Srr37ZSDXByBF.
>     Call-ID: 3c28bad818ad-q0ms60zsfpst.
>     CSeq: 2 CANCEL.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.12:2048
>     <http://192.168.1.12:2048>
>     SIP/2.0 487 Request Terminated.
>     Via: SIP/2.0/UDP
>     192.168.1.12:2048;branch=z9hG4bK-eyrl6ghugshz;rport=2048.
>     From: "User 220" <sip:220 at entwick1>;tag=vx1czcrfys.
>     To: <sip:240 at entwick1;user=phone>;tag=Srr37ZSDXByBF.
>     Call-ID: 3c28bad818ad-q0ms60zsfpst.
>     CSeq: 2 INVITE.
>     User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-d2c9fb5 2012-02-06
>     14-12-22 -0600.
>     Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
>     REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
>     Supported: timer, precondition, path, replaces.
>     Allow-Events: talk, hold, presence, dialog, line-seize, call-info,
>     sla, include-session-description, presence.winfo, message-summary,
>     refer.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     CANCEL sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=t1Hv9taHtmmya.
>     To: <sip:240 at 192.168.1.11:5060>.
>     Call-ID: ad561287-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 CANCEL.
>     Reason: FreeSWITCH;cause=487;text="ORIGINATOR_CANCEL".
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.11:5060 <http://192.168.1.11:5060> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     SIP/2.0 200 OK.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.
>     Call-ID: ad561287-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 CANCEL.
>     From: "User 220" <sip:220 at entwick1>;tag=t1Hv9taHtmmya.
>     To: <sip:240 at 192.168.1.11:5060>;tag=iN29e6PanzlAC2JA.
>     Contact: <sip:240 at 192.168.1.11:5060>.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.11:5060 <http://192.168.1.11:5060> -> 192.168.1.4:5060
>     <http://192.168.1.4:5060>
>     SIP/2.0 487 Request Terminated.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.
>     Call-ID: ad561287-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 INVITE.
>     From: "User 220" <sip:220 at entwick1>;tag=t1Hv9taHtmmya.
>     To: <sip:240 at 192.168.1.11:5060>;tag=iN29e6PanzlAC2JA.
>     Contact: <sip:240 at 192.168.1.11:5060>.
>     Content-Length: 0.
>     .
>
>     #
>     U 192.168.1.4:5060 <http://192.168.1.4:5060> -> 192.168.1.11:5060
>     <http://192.168.1.11:5060>
>     ACK sip:240 at 192.168.1.11:5060 SIP/2.0.
>     Via: SIP/2.0/UDP 192.168.1.4;rport;branch=z9hG4bK4DN4eH402KHmF.
>     Max-Forwards: 69.
>     From: "User 220" <sip:220 at entwick1>;tag=t1Hv9taHtmmya.
>     To: <sip:240 at 192.168.1.11:5060>;tag=iN29e6PanzlAC2JA.
>     Call-ID: ad561287-cd61-122f-8d91-001966eeb846.
>     CSeq: 24039705 ACK.
>     Content-Length: 0.
>     .
>
>     #
>
>     Am 08.02.2012 18:36, schrieb Michael Collins:
>>
>>         It was found that freeswitch performs multiple INVITES. But why?
>>
>>
>>     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.
>>
>>     -MC
>>
>>     _________________________________________________________________________
>>     Professional FreeSWITCH Consulting Services:
>>     consulting at freeswitch.org  <mailto:consulting at freeswitch.org>
>>     http://www.freeswitchsolutions.com
>>
>>     
>>     
>>
>>     Official FreeSWITCH Sites
>>     http://www.freeswitch.org
>>     http://wiki.freeswitch.org
>>     http://www.cluecon.com
>>
>>     FreeSWITCH-users mailing list
>>     FreeSWITCH-users at lists.freeswitch.org  <mailto:FreeSWITCH-users at lists.freeswitch.org>
>>     http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>     UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>     http://www.freeswitch.org
>
>
>     _________________________________________________________________________
>     Professional FreeSWITCH Consulting Services:
>     consulting at freeswitch.org <mailto:consulting at freeswitch.org>
>     http://www.freeswitchsolutions.com
>
>     
>     
>
>     Official FreeSWITCH Sites
>     http://www.freeswitch.org
>     http://wiki.freeswitch.org
>     http://www.cluecon.com
>
>     FreeSWITCH-users mailing list
>     FreeSWITCH-users at lists.freeswitch.org
>     <mailto:FreeSWITCH-users at lists.freeswitch.org>
>     http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>     UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>     http://www.freeswitch.org
>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org

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