U 2009/09/04 20:54:09.515318 66.23.129.253:5060 -> 71.182.162.188:61974
INVITE sip:14122350198@71.182.162.188:61974 SIP/2.0..Record-Route: <sip:141
22350198@66.23.129.253:5060;nat=yes;ftag=SDtcij001-gK092199be;lr=on>..Via:
SIP/2.0/UDP 66.23.129.253:5060;branch=z9hG4bK59df.f2d9aba6.0..Via: SIP/2.0/
UDP 67.16.115.84:5060;branch=z9hG4bKf8vnfd10bgsh9pgkk780.1..From: "Unavaila
ble" <sip:Restricted@67.16.115.84;isup-oli=61>;tag=SDtcij001-gK092199be..To
: <sip:14122350198@66.23.129.253>..Call-ID: SDtcij001-a4ed4c147cbd4a6c7cacd
ca990af314c-v3000i1..CSeq: 11505 INVITE..Max-Forwards: 16..Allow: INVITE,AC
K,CANCEL,BYE,REGISTER,INFO,SUBSCRIBE,NOTIFY,PRACK,UPDATE,OPTIONS..Accept: a
pplication/sdp, application/isup, application/dtmf, application/dtmf-relay,
multipart/mixed..Contact: "Unavailable" <sip:Restricted@67.16.115.84:5060
;transport=udp>..P-Charge-Info: sip:7038618811@67.16.115.84:5060..Supported
: timer..Session-Expires: 1800..Min-SE: 90..Content-Length: 283..Content-Di
sposition: session; handling=required..Content-Type: application/sdp..Remot
e-Party-ID: <sip:3027292500@nexvortex.com>;party=calling;screen=no;privacy=
off....v=0..o=Sonus_UAC 27278 25733 IN IP4 67.16.115.84..s=SIP Media Capabi
lities..c=IN IP4 67.16.115.84..t=0 0..m=audio 51112 RTP/AVP 18 0 100..a=rtp
map:18 G729/8000..a=fmtp:18 annexb=no..a=rtpmap:0 PCMU/8000..a=rtpmap:100 t
elephone-event/8000..a=fmtp:100 0-15..a=sendrecv..a=maxptime:20..

U 2009/09/04 20:54:09.609412 71.182.162.188:5060 -> 66.23.129.253:5060
SIP/2.0 500 Internal Server Error..Via: SIP/2.0/UDP 66.23.129.253:5060;bran
ch=z9hG4bK59df.f2d9aba6.0,SIP/2.0/UDP 67.16.115.84:5060;branch=z9hG4bKf8vnf
d10bgsh9pgkk780.1..From: "Unavailable" <sip:Restricted@67.16.115.84;isup-ol
i=61>;tag=SDtcij001-gK092199be..To: <sip:14122350198@66.23.129.253>;tag=AA1
4E30-182F..Date: Fri, 04 Sep 2009 20:58:44 GMT..Call-ID: SDtcij001-a4ed4c14
7cbd4a6c7cacdca990af314c-v3000i1..Server: Cisco-SIPGateway/IOS-12.x..CSeq:
11505 INVITE..Allow-Events: telephone-event..Reason: Q.850;cause=63..Conten
t-Length: 0....

U 2009/09/04 20:54:09.610193 66.23.129.253:5060 -> 71.182.162.188:61974
ACK sip:14122350198@71.182.162.188:61974 SIP/2.0..Via: SIP/2.0/UDP 66.23.12
9.253:5060;branch=z9hG4bK59df.f2d9aba6.0..From: "Unavailable" <sip:Restrict
ed@67.16.115.84;isup-oli=61>;tag=SDtcij001-gK092199be..Call-ID: SDtcij001-a
4ed4c147cbd4a6c7cacdca990af314c-v3000i1..To: <sip:14122350198@66.23.129.253
>;tag=AA14E30-182F..CSeq: 11505 ACK..User-Agent: Sip EXpress router(0.9.6 (
i386/linux))..Content-Length: 0....