As far as I see  it must work. Try to make "cap" file by means of tcpdump on FS and see the media stream by means wireshark.

Date: Tue, 1 Nov 2011 23:17:46 +0800
From: xyangni@gmail.com
To: freeswitch-users@lists.freeswitch.org
Subject: [Freeswitch-users] No sound when 2 client in the same NAT

Hi,

I run FS on a VPS with public IP,  and 2 x-lite client on 2 of my home pc which are in the same NAT. 
They works fine if each of them calls FS sample ivr or bridged to other external phone. But when they call each other, the call is completely silent. 
The sip trace is listed below. Can anyone please help. Thanks.


recv 767 bytes from udp/[90.192.85.6]:6216 at 15:08:19.500457:
   ------------------------------------------------------------------------
   INVITE sip:1015@178.79.188.153 SIP/2.0
   Via: SIP/2.0/UDP 90.192.85.6:6216;branch=z9hG4bK-d8754z-e329ce130338d93d-1---d8754z-;rport
   Max-Forwards: 70
   Contact: <sip:1017@90.192.85.6:6216>
   To: "1015"<sip:1015@178.79.188.153>
   From: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 1 INVITE
   Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
   Content-Type: application/sdp
   User-Agent: eyeBeam release 1102q stamp 51814
   Content-Length: 235

   v=0
   o=- 8 2 IN IP4 90.192.85.6
   s=CounterPath eyeBeam 1.5
   c=IN IP4 90.192.85.6
   t=0 0
   m=audio 43926 RTP/AVP 0 8 3 101
   a=alt:1 1 : tAU3AHbD K56reERa 90.192.85.6 43928
   a=fmtp:101 0-15
   a=rtpmap:101 telephone-event/8000
   a=sendrecv
   ------------------------------------------------------------------------
send 379 bytes to udp/[90.192.85.6]:6216 at 15:08:19.501004:
   ------------------------------------------------------------------------
   SIP/2.0 100 Trying
   Via: SIP/2.0/UDP 90.192.85.6:6216;branch=z9hG4bK-d8754z-e329ce130338d93d-1---d8754z-;rport=6216
   From: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   To: "1015"<sip:1015@178.79.188.153>
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 1 INVITE
   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-4349ec0 2011-10-31 14-38-41 -0500
   Content-Length: 0

   ------------------------------------------------------------------------
send 869 bytes to udp/[90.192.85.6]:6216 at 15:08:19.502160:
   ------------------------------------------------------------------------
   SIP/2.0 407 Proxy Authentication Required
   Via: SIP/2.0/UDP 90.192.85.6:6216;branch=z9hG4bK-d8754z-e329ce130338d93d-1---d8754z-;rport=6216
   From: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   To: "1015" <sip:1015@178.79.188.153>;tag=K2eK1a4UZ0vvp
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 1 INVITE
   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-4349ec0 2011-10-31 14-38-41 -0500
   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="178.79.188.153", nonce="67fa1677-e806-4c64-8337-5b1cd866e3c0", algorithm=MD5, qop="auth"
   Content-Length: 0

   ------------------------------------------------------------------------
recv 326 bytes from udp/[90.192.85.6]:6216 at 15:08:19.541053:
   ------------------------------------------------------------------------
   ACK sip:1015@178.79.188.153 SIP/2.0
   Via: SIP/2.0/UDP 90.192.85.6:6216;branch=z9hG4bK-d8754z-e329ce130338d93d-1---d8754z-;rport
   To: "1015" <sip:1015@178.79.188.153>;tag=K2eK1a4UZ0vvp
   From: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 1 ACK
   Content-Length: 0

   ------------------------------------------------------------------------
recv 1031 bytes from udp/[90.192.85.6]:6216 at 15:08:19.552533:
   ------------------------------------------------------------------------
   INVITE sip:1015@178.79.188.153 SIP/2.0
   Via: SIP/2.0/UDP 90.192.85.6:6216;branch=z9hG4bK-d8754z-cf0ad11b8800c42c-1---d8754z-;rport
   Max-Forwards: 70
   Contact: <sip:1017@90.192.85.6:6216>
   To: "1015"<sip:1015@178.79.188.153>
   From: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 2 INVITE
   Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
   Content-Type: application/sdp
   Proxy-Authorization: Digest username="1017",realm="178.79.188.153",nonce="67fa1677-e806-4c64-8337-5b1cd866e3c0",uri="sip:1015@178.79.188.153",response="603f04a293a7535b109d9fae13085db8",cnonce="fc27cb770d3b4701e15f7aadc4690a64",nc=00000001,qop=auth,algorithm=MD5
   User-Agent: eyeBeam release 1102q stamp 51814
   Content-Length: 235

   v=0
   o=- 8 2 IN IP4 90.192.85.6
   s=CounterPath eyeBeam 1.5
   c=IN IP4 90.192.85.6
   t=0 0
   m=audio 43926 RTP/AVP 0 8 3 101
   a=alt:1 1 : tAU3AHbD K56reERa 90.192.85.6 43928
   a=fmtp:101 0-15
   a=rtpmap:101 telephone-event/8000
   a=sendrecv
   ------------------------------------------------------------------------
send 379 bytes to udp/[90.192.85.6]:6216 at 15:08:19.552996:
   ------------------------------------------------------------------------
   SIP/2.0 100 Trying
   Via: SIP/2.0/UDP 90.192.85.6:6216;branch=z9hG4bK-d8754z-cf0ad11b8800c42c-1---d8754z-;rport=6216
   From: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   To: "1015"<sip:1015@178.79.188.153>
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 2 INVITE
   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-4349ec0 2011-10-31 14-38-41 -0500
   Content-Length: 0

   ------------------------------------------------------------------------
2011-11-01 15:08:19.545486 [NOTICE] switch_channel.c:915 New Channel sofia/internal/1017@178.79.188.153 [d46f4a05-6572-48e9-bea9-828e70addb74]
2011-11-01 15:08:19.545486 [INFO] mod_dialplan_xml.c:336 Processing 1017 <1017>->1015 in context default
2011-11-01 15:08:19.545486 [INFO] switch_ivr_async.c:3130 Bound B-Leg: *1 execute_extension::dx XML features
2011-11-01 15:08:19.545486 [INFO] switch_ivr_async.c:3130 Bound B-Leg: *2 record_session::/usr/local/freeswitch/recordings/1017.2011-11-01-15-08-19.wav
2011-11-01 15:08:19.545486 [INFO] switch_ivr_async.c:3130 Bound B-Leg: *3 execute_extension::cf XML features
2011-11-01 15:08:19.545486 [INFO] switch_ivr_async.c:3130 Bound B-Leg: *4 execute_extension::att_xfer XML features
2011-11-01 15:08:19.545486 [NOTICE] switch_channel.c:915 New Channel sofia/internal/sip:1015@90.192.85.6:63216 [b6fc17cc-1585-4e43-803d-f431c90fc196]
send 1309 bytes to udp/[90.192.85.6]:63216 at 15:08:19.565528:
   ------------------------------------------------------------------------
   INVITE sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311 SIP/2.0
   Via: SIP/2.0/UDP 178.79.188.153;rport;branch=z9hG4bKFyaDU717BB1XS
   Max-Forwards: 69
   From: "Extension 1017" <sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   To: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 19743985 INVITE
   Contact: <sip:mod_sofia@178.79.188.153:5060>
   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-4349ec0 2011-10-31 14-38-41 -0500
   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-Type: application/sdp
   Content-Disposition: session
   Content-Length: 317
   X-FS-Support: update_display
   Remote-Party-ID: "Extension 1017" <sip:1017@178.79.188.153>;party=calling;screen=yes;privacy=off

   v=0
   o=FreeSWITCH 1320132861 1320132862 IN IP4 178.79.188.153
   s=FreeSWITCH
   c=IN IP4 178.79.188.153
   t=0 0
   m=audio 27238 RTP/AVP 0 98 99 9 8 3 101 13
   a=rtpmap:98 G7221/32000
   a=fmtp:98 bitrate=48000
   a=rtpmap:99 G7221/16000
   a=fmtp:99 bitrate=32000
   a=rtpmap:101 telephone-event/8000
   a=fmtp:101 0-16
   a=ptime:20
   ------------------------------------------------------------------------
recv 438 bytes from udp/[90.192.85.6]:63216 at 15:08:19.707081:
   ------------------------------------------------------------------------
   SIP/2.0 180 Ringing
   Via: SIP/2.0/UDP 178.79.188.153;rport=5060;branch=z9hG4bKFyaDU717BB1XS
   Contact: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>
   To: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>;tag=054e4538
   From: "Extension 1017"<sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 19743985 INVITE
   User-Agent: eyeBeam release 1102q stamp 51814
   Content-Length: 0

   ------------------------------------------------------------------------
2011-11-01 15:08:19.705449 [NOTICE] sofia.c:5375 Ring-Ready sofia/internal/sip:1015@90.192.85.6:63216!
2011-11-01 15:08:19.705449 [INFO] switch_ivr_originate.c:1115 Sending early media
2011-11-01 15:08:19.705449 [NOTICE] mod_sofia.c:2475 Pre-Answer sofia/internal/1017@178.79.188.153!
send 1188 bytes to udp/[90.192.85.6]:6216 at 15:08:19.713171:
   ------------------------------------------------------------------------
   SIP/2.0 183 Session Progress
   Via: SIP/2.0/UDP 90.192.85.6:6216;branch=z9hG4bK-d8754z-cf0ad11b8800c42c-1---d8754z-;rport=6216
   From: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   To: "1015" <sip:1015@178.79.188.153>;tag=mB8B35mZv9jFj
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 2 INVITE
   Contact: <sip:1015@178.79.188.153:5060;transport=udp>
   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-4349ec0 2011-10-31 14-38-41 -0500
   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-Type: application/sdp
   Content-Disposition: session
   Content-Length: 251
   Remote-Party-ID: "1015" <sip:1015@178.79.188.153>;party=calling;privacy=off;screen=no

   v=0
   o=FreeSWITCH 1320132951 1320132952 IN IP4 178.79.188.153
   s=FreeSWITCH
   c=IN IP4 178.79.188.153
   t=0 0
   m=audio 27148 RTP/AVP 0 101
   a=rtpmap:0 PCMU/8000
   a=rtpmap:101 telephone-event/8000
   a=fmtp:101 0-16
   a=silenceSupp:off - - - -
   a=ptime:20
   ------------------------------------------------------------------------
recv 733 bytes from udp/[90.192.85.6]:63216 at 15:08:23.699243:
   ------------------------------------------------------------------------
   SIP/2.0 200 OK
   Via: SIP/2.0/UDP 178.79.188.153;rport=5060;branch=z9hG4bKFyaDU717BB1XS
   Contact: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>
   To: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>;tag=054e4538
   From: "Extension 1017"<sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 19743985 INVITE
   Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
   Content-Type: application/sdp
   User-Agent: eyeBeam release 1102q stamp 51814
   Content-Length: 184

   v=0
   o=- 1 2 IN IP4 90.192.85.6
   s=CounterPath eyeBeam 1.5
   c=IN IP4 90.192.85.6
   t=0 0
   m=audio 44478 RTP/AVP 0 8 101
   a=fmtp:101 0-15
   a=rtpmap:101 telephone-event/8000
   a=sendrecv
   ------------------------------------------------------------------------
send 428 bytes to udp/[90.192.85.6]:63216 at 15:08:23.700969:
   ------------------------------------------------------------------------
   ACK sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311 SIP/2.0
   Via: SIP/2.0/UDP 178.79.188.153;rport;branch=z9hG4bKg735v2jB9KQgN
   Max-Forwards: 70
   From: "Extension 1017" <sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   To: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>;tag=054e4538
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 19743985 ACK
   Contact: <sip:mod_sofia@178.79.188.153:5060>
   Content-Length: 0

   ------------------------------------------------------------------------
2011-11-01 15:08:23.685455 [NOTICE] sofia.c:5983 Channel [sofia/internal/sip:1015@90.192.85.6:63216] has been answered
send 1158 bytes to udp/[90.192.85.6]:6216 at 15:08:23.706877:
   ------------------------------------------------------------------------
   SIP/2.0 200 OK
   Via: SIP/2.0/UDP 90.192.85.6:6216;branch=z9hG4bK-d8754z-cf0ad11b8800c42c-1---d8754z-;rport=6216
   From: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   To: "1015" <sip:1015@178.79.188.153>;tag=mB8B35mZv9jFj
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 2 INVITE
   Contact: <sip:1015@178.79.188.153:5060;transport=udp>
   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-4349ec0 2011-10-31 14-38-41 -0500
   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-Type: application/sdp
   Content-Disposition: session
   Content-Length: 251
   Remote-Party-ID: "Outbound Call" <sip:1015@178.79.188.153>;party=calling;privacy=off;screen=no

   v=0
   o=FreeSWITCH 1320132951 1320132952 IN IP4 178.79.188.153
   s=FreeSWITCH
   c=IN IP4 178.79.188.153
   t=0 0
   m=audio 27148 RTP/AVP 0 101
   a=rtpmap:0 PCMU/8000
   a=rtpmap:101 telephone-event/8000
   a=fmtp:101 0-16
   a=silenceSupp:off - - - -
   a=ptime:20
   ------------------------------------------------------------------------
2011-11-01 15:08:23.705453 [NOTICE] switch_ivr_originate.c:3194 Channel [sofia/internal/1017@178.79.188.153] has been answered
send 1158 bytes to udp/[90.192.85.6]:6216 at 15:08:24.207213:
   ------------------------------------------------------------------------
   SIP/2.0 200 OK
   Via: SIP/2.0/UDP 90.192.85.6:6216;branch=z9hG4bK-d8754z-cf0ad11b8800c42c-1---d8754z-;rport=6216
   From: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   To: "1015" <sip:1015@178.79.188.153>;tag=mB8B35mZv9jFj
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 2 INVITE
   Contact: <sip:1015@178.79.188.153:5060;transport=udp>
   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-4349ec0 2011-10-31 14-38-41 -0500
   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-Type: application/sdp
   Content-Disposition: session
   Content-Length: 251
   Remote-Party-ID: "Outbound Call" <sip:1015@178.79.188.153>;party=calling;privacy=off;screen=no

   v=0
   o=FreeSWITCH 1320132951 1320132952 IN IP4 178.79.188.153
   s=FreeSWITCH
   c=IN IP4 178.79.188.153
   t=0 0
   m=audio 27148 RTP/AVP 0 101
   a=rtpmap:0 PCMU/8000
   a=rtpmap:101 telephone-event/8000
   a=fmtp:101 0-16
   a=silenceSupp:off - - - -
   a=ptime:20
   ------------------------------------------------------------------------
recv 733 bytes from udp/[90.192.85.6]:63216 at 15:08:24.380014:
   ------------------------------------------------------------------------
   SIP/2.0 200 OK
   Via: SIP/2.0/UDP 178.79.188.153;rport=5060;branch=z9hG4bKFyaDU717BB1XS
   Contact: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>
   To: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>;tag=054e4538
   From: "Extension 1017"<sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 19743985 INVITE
   Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
   Content-Type: application/sdp
   User-Agent: eyeBeam release 1102q stamp 51814
   Content-Length: 184

   v=0
   o=- 1 2 IN IP4 90.192.85.6
   s=CounterPath eyeBeam 1.5
   c=IN IP4 90.192.85.6
   t=0 0
   m=audio 44478 RTP/AVP 0 8 101
   a=fmtp:101 0-15
   a=rtpmap:101 telephone-event/8000
   a=sendrecv
   ------------------------------------------------------------------------
send 428 bytes to udp/[90.192.85.6]:63216 at 15:08:24.380297:
   ------------------------------------------------------------------------
   ACK sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311 SIP/2.0
   Via: SIP/2.0/UDP 178.79.188.153;rport;branch=z9hG4bKg735v2jB9KQgN
   Max-Forwards: 70
   From: "Extension 1017" <sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   To: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>;tag=054e4538
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 19743985 ACK
   Contact: <sip:mod_sofia@178.79.188.153:5060>
   Content-Length: 0

   ------------------------------------------------------------------------
recv 733 bytes from udp/[90.192.85.6]:63216 at 15:08:25.063077:
   ------------------------------------------------------------------------
   SIP/2.0 200 OK
   Via: SIP/2.0/UDP 178.79.188.153;rport=5060;branch=z9hG4bKFyaDU717BB1XS
   Contact: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>
   To: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>;tag=054e4538
   From: "Extension 1017"<sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 19743985 INVITE
   Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
   Content-Type: application/sdp
   User-Agent: eyeBeam release 1102q stamp 51814
   Content-Length: 184

   v=0
   o=- 1 2 IN IP4 90.192.85.6
   s=CounterPath eyeBeam 1.5
   c=IN IP4 90.192.85.6
   t=0 0
   m=audio 44478 RTP/AVP 0 8 101
   a=fmtp:101 0-15
   a=rtpmap:101 telephone-event/8000
   a=sendrecv
   ------------------------------------------------------------------------
send 428 bytes to udp/[90.192.85.6]:63216 at 15:08:25.063384:
   ------------------------------------------------------------------------
   ACK sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311 SIP/2.0
   Via: SIP/2.0/UDP 178.79.188.153;rport;branch=z9hG4bKg735v2jB9KQgN
   Max-Forwards: 70
   From: "Extension 1017" <sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   To: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>;tag=054e4538
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 19743985 ACK
   Contact: <sip:mod_sofia@178.79.188.153:5060>
   Content-Length: 0

   ------------------------------------------------------------------------
recv 711 bytes from udp/[90.192.85.6]:6216 at 15:08:25.157427:
   ------------------------------------------------------------------------
   ACK sip:1015@178.79.188.153:5060;transport=udp SIP/2.0
   Via: SIP/2.0/UDP 90.192.85.6:6216;branch=z9hG4bK-d8754z-52077a3eda00e179-1---d8754z-;rport
   Max-Forwards: 70
   Contact: <sip:1017@90.192.85.6:6216>
   To: "1015"<sip:1015@178.79.188.153>;tag=mB8B35mZv9jFj
   From: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 2 ACK
   Proxy-Authorization: Digest username="1017",realm="178.79.188.153",nonce="67fa1677-e806-4c64-8337-5b1cd866e3c0",uri="sip:1015@178.79.188.153",response="603f04a293a7535b109d9fae13085db8",cnonce="fc27cb770d3b4701e15f7aadc4690a64",nc=00000001,qop=auth,algorithm=MD5
   User-Agent: eyeBeam release 1102q stamp 51814
   Content-Length: 0

   ------------------------------------------------------------------------
recv 711 bytes from udp/[90.192.85.6]:6216 at 15:08:25.585421:
   ------------------------------------------------------------------------
   ACK sip:1015@178.79.188.153:5060;transport=udp SIP/2.0
   Via: SIP/2.0/UDP 90.192.85.6:6216;branch=z9hG4bK-d8754z-52077a3eda00e179-1---d8754z-;rport
   Max-Forwards: 70
   Contact: <sip:1017@90.192.85.6:6216>
   To: "1015"<sip:1015@178.79.188.153>;tag=mB8B35mZv9jFj
   From: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 2 ACK
   Proxy-Authorization: Digest username="1017",realm="178.79.188.153",nonce="67fa1677-e806-4c64-8337-5b1cd866e3c0",uri="sip:1015@178.79.188.153",response="603f04a293a7535b109d9fae13085db8",cnonce="fc27cb770d3b4701e15f7aadc4690a64",nc=00000001,qop=auth,algorithm=MD5
   User-Agent: eyeBeam release 1102q stamp 51814
   Content-Length: 0

   ------------------------------------------------------------------------
recv 533 bytes from udp/[90.192.85.6]:63216 at 15:09:24.414921:
   ------------------------------------------------------------------------
   BYE sip:mod_sofia@178.79.188.153:5060 SIP/2.0
   Via: SIP/2.0/UDP 90.192.85.6:63216;branch=z9hG4bK-d8754z-0b44212243020a35-1---d8754z-;rport
   Max-Forwards: 70
   Contact: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>
   To: "Extension 1017"<sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   From: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>;tag=054e4538
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 2 BYE
   User-Agent: eyeBeam release 1102q stamp 51814
   Reason: SIP;description="User Hung Up"
   Content-Length: 0

   ------------------------------------------------------------------------
2011-11-01 15:09:24.425460 [NOTICE] sofia.c:573 Hangup sofia/internal/sip:1015@90.192.85.6:63216 [CS_EXCHANGE_MEDIA] [NORMAL_CLEARING]
send 576 bytes to udp/[90.192.85.6]:63216 at 15:09:24.426280:
   ------------------------------------------------------------------------
   SIP/2.0 200 OK
   Via: SIP/2.0/UDP 90.192.85.6:63216;branch=z9hG4bK-d8754z-0b44212243020a35-1---d8754z-;rport=63216
   From: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>;tag=054e4538
   To: "Extension 1017"<sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 2 BYE
   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-4349ec0 2011-10-31 14-38-41 -0500
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
   Supported: timer, precondition, path, replaces
   Content-Length: 0

   ------------------------------------------------------------------------
2011-11-01 15:09:24.445471 [NOTICE] switch_ivr_bridge.c:1355 Hangup sofia/internal/1017@178.79.188.153 [CS_EXECUTE] [NORMAL_CLEARING]
2011-11-01 15:09:24.445471 [NOTICE] switch_core_session.c:1395 Session 2 (sofia/internal/sip:1015@90.192.85.6:63216) Ended
2011-11-01 15:09:24.445471 [NOTICE] switch_core_session.c:1397 Close Channel sofia/internal/sip:1015@90.192.85.6:63216 [CS_DESTROY]
send 623 bytes to udp/[90.192.85.6]:6216 at 15:09:24.448813:
   ------------------------------------------------------------------------
   BYE sip:1017@90.192.85.6:6216 SIP/2.0
   Via: SIP/2.0/UDP 178.79.188.153;rport;branch=z9hG4bKHgXyyX3e6vD3g
   Max-Forwards: 70
   From: "1015" <sip:1015@178.79.188.153>;tag=mB8B35mZv9jFj
   To: "1017" <sip:1017@178.79.188.153>;tag=ab30a26d
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 19744018 BYE
   Contact: <sip:1015@178.79.188.153:5060;transport=udp>
   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-4349ec0 2011-10-31 14-38-41 -0500
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
   Supported: timer, precondition, path, replaces
   Content-Length: 0

   ------------------------------------------------------------------------
2011-11-01 15:09:24.445471 [NOTICE] switch_core_session.c:1395 Session 1 (sofia/internal/1017@178.79.188.153) Ended
2011-11-01 15:09:24.445471 [NOTICE] switch_core_session.c:1397 Close Channel sofia/internal/1017@178.79.188.153 [CS_DESTROY]
recv 533 bytes from udp/[90.192.85.6]:63216 at 15:09:25.132183:
   ------------------------------------------------------------------------
   BYE sip:mod_sofia@178.79.188.153:5060 SIP/2.0
   Via: SIP/2.0/UDP 90.192.85.6:63216;branch=z9hG4bK-d8754z-0b44212243020a35-1---d8754z-;rport
   Max-Forwards: 70
   Contact: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>
   To: "Extension 1017"<sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   From: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>;tag=054e4538
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 2 BYE
   User-Agent: eyeBeam release 1102q stamp 51814
   Reason: SIP;description="User Hung Up"
   Content-Length: 0

   ------------------------------------------------------------------------
send 576 bytes to udp/[90.192.85.6]:63216 at 15:09:25.132451:
   ------------------------------------------------------------------------
   SIP/2.0 200 OK
   Via: SIP/2.0/UDP 90.192.85.6:63216;branch=z9hG4bK-d8754z-0b44212243020a35-1---d8754z-;rport=63216
   From: <sip:1015@90.192.85.6:63216;rinstance=4c1fe319ab93f311>;tag=054e4538
   To: "Extension 1017"<sip:1017@178.79.188.153>;tag=Nm144052Sj91D
   Call-ID: 2caf7664-7f3e-122f-0a83-f23c91df8b99
   CSeq: 2 BYE
   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-4349ec0 2011-10-31 14-38-41 -0500
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
   Supported: timer, precondition, path, replaces
   Content-Length: 0

   ------------------------------------------------------------------------
send 623 bytes to udp/[90.192.85.6]:6216 at 15:09:25.449077:
   ------------------------------------------------------------------------
   BYE sip:1017@90.192.85.6:6216 SIP/2.0
   Via: SIP/2.0/UDP 178.79.188.153;rport;branch=z9hG4bKHgXyyX3e6vD3g
   Max-Forwards: 70
   From: "1015" <sip:1015@178.79.188.153>;tag=mB8B35mZv9jFj
   To: "1017" <sip:1017@178.79.188.153>;tag=ab30a26d
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 19744018 BYE
   Contact: <sip:1015@178.79.188.153:5060;transport=udp>
   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-4349ec0 2011-10-31 14-38-41 -0500
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
   Supported: timer, precondition, path, replaces
   Content-Length: 0

   ------------------------------------------------------------------------
recv 376 bytes from udp/[90.192.85.6]:6216 at 15:09:25.483104:
   ------------------------------------------------------------------------
   SIP/2.0 200 OK
   Via: SIP/2.0/UDP 178.79.188.153;rport=5060;branch=z9hG4bKHgXyyX3e6vD3g
   Contact: <sip:1017@90.192.85.6:6216>
   To: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   From: "1015"<sip:1015@178.79.188.153>;tag=mB8B35mZv9jFj
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 19744018 BYE
   User-Agent: eyeBeam release 1102q stamp 51814
   Content-Length: 0

   ------------------------------------------------------------------------
recv 376 bytes from udp/[90.192.85.6]:6216 at 15:09:26.386027:
   ------------------------------------------------------------------------
   SIP/2.0 200 OK
   Via: SIP/2.0/UDP 178.79.188.153;rport=5060;branch=z9hG4bKHgXyyX3e6vD3g
   Contact: <sip:1017@90.192.85.6:6216>
   To: "1017"<sip:1017@178.79.188.153>;tag=ab30a26d
   From: "1015"<sip:1015@178.79.188.153>;tag=mB8B35mZv9jFj
   Call-ID: ZGRhMmQ1NDBiNDhkMzhjMGFlOTA4ZDgwMTEyNTBlYzM.
   CSeq: 19744018 BYE
   User-Agent: eyeBeam release 1102q stamp 51814
   Content-Length: 0

   ------------------------------------------------------------------------


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