Here are the SIP trace entries from when the transfer was initiated:
INVITE sip:250@192.168.88.165:5060;line=4p72ym7m SIP/2.0
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK16fd4bc3
Max-Forwards: 70
From: “CID:2076554742” sip:2212726@172.16.1.34;tag=as487a3bff
To: sip:250@192.168.88.165:5060;line=4p72ym7m
Contact: sip:2212726@172.16.1.34:5060
Call-ID: 0901cc08286a20f7705c9b3e69b7de70@172.16.1.34:5060
CSeq: 102 INVITE
User-Agent: FPBX-2.10.1(1.8.11.0)
Date: Mon, 10 Sep 2012 19:41:58 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Type: application/sdp
Content-Length: 280
v=0
o=root 419932477 419932477 IN IP4 172.16.1.34
s=Asterisk PBX 1.8.11.0
c=IN IP4 172.16.1.34
t=0 0
m=audio 17276 RTP/AVP 0 8 3 101
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:3 GSM/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=sendrecv
INVITE sip:2072212726@184.106.130.224:5060;transport=udp SIP/2.0
Via: SIP/2.0/UDP 24.97.255.114:5060;branch=z9hG4bK1fbe6d6d;rport
Route: sip:pb2proxy-pro-aws03.phonebooth.net:5060;lr=on;did=8c1.4dea60c3
Max-Forwards: 70
From: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
To: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
Contact: sip:2076554742@24.97.255.114:5060
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 104 INVITE
User-Agent: FPBX-2.10.1(1.8.11.0)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Remote-Party-ID: “District 2” sip:250@24.97.255.114;party=calling;privacy=off;screen=no
Content-Type: application/sdp
Content-Length: 239
v=0
o=root 1781383350 1781383352 IN IP4 24.97.255.114
s=Asterisk PBX 1.8.11.0
c=IN IP4 24.97.255.114
t=0 0
m=audio 16162 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=sendrecv
UPDATE sip:2072212726@184.106.130.224:5060;transport=udp SIP/2.0
Via: SIP/2.0/UDP 24.97.255.114:5060;branch=z9hG4bK06f72293;rport
Route: sip:pb2proxy-pro-aws03.phonebooth.net:5060;lr=on;did=8c1.4dea60c3
Max-Forwards: 70
From: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
To: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
Contact: sip:2076554742@24.97.255.114:5060
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 105 UPDATE
User-Agent: FPBX-2.10.1(1.8.11.0)
Remote-Party-ID: “-> District 2 (via 163@172.16.1.34)” sip:250@24.97.255.114;party=calling;privacy=off;screen=no
X-Asterisk-rpid-update: Yes
Content-Length: 0
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK16fd4bc3
From: “CID:2076554742” sip:2212726@172.16.1.34;tag=as487a3bff
To: sip:250@192.168.88.165:5060;line=4p72ym7m;tag=km5jkh3fmh
Call-ID: 0901cc08286a20f7705c9b3e69b7de70@172.16.1.34:5060
CSeq: 102 INVITE
Contact: sip:250@192.168.88.165:5060;line=4p72ym7m;reg-id=1
Content-Length: 0
SIP/2.0 100 Giving a try
Via: SIP/2.0/UDP 24.97.255.114:5060;branch=z9hG4bK1fbe6d6d;rport=8070
From: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
To: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 104 INVITE
Server: Phonebooth/1.0.0
Content-Length: 0
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK16fd4bc3
From: “CID:2076554742” sip:2212726@172.16.1.34;tag=as487a3bff
To: sip:250@192.168.88.165:5060;line=4p72ym7m;tag=km5jkh3fmh
Call-ID: 0901cc08286a20f7705c9b3e69b7de70@172.16.1.34:5060
CSeq: 102 INVITE
Contact: sip:250@192.168.88.165:5060;line=4p72ym7m;reg-id=1
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE
Allow-Events: talk, hold, refer, call-info
Content-Length: 0
SIP/2.0 200 OK
Via: SIP/2.0/UDP 24.97.255.114:5060;received=24.97.255.114;branch=z9hG4bK06f72293;rport=8070
From: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
To: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 105 UPDATE
Contact: sip:2072212726@184.106.130.224:5060;transport=udp
User-Agent: FreeSWITCH-mod_sofia/1.0.4-hacked
Accept: application/sdp
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, PRACK, MESSAGE, SUBSCRIBE, NOTIFY, REFER, UPDATE, REGISTER, INFO
Supported: precondition, path, replaces
Content-Length: 0
SIP/2.0 200 OK
Via: SIP/2.0/UDP 24.97.255.114:5060;received=24.97.255.114;branch=z9hG4bK1fbe6d6d;rport=8070
Record-Route: sip:pb2proxy-pro-aws03.phonebooth.net:5060;lr=on
From: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
To: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 104 INVITE
Contact: sip:2072212726@184.106.130.224:5060;transport=udp
User-Agent: FreeSWITCH-mod_sofia/1.0.4-hacked
Accept: application/sdp
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, PRACK, MESSAGE, SUBSCRIBE, NOTIFY, REFER, UPDATE, REGISTER, INFO
Supported: precondition, path, replaces
Content-Type: application/sdp
Content-Disposition: session
Content-Length: 250
v=0
o=Sonus_UAC 22062 9057 IN IP4 67.231.0.213
s=SIP Media Capabilities
c=IN IP4 184.106.130.224
t=0 0
m=audio 16902 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
ACK sip:2072212726@184.106.130.224:5060;transport=udp SIP/2.0
Via: SIP/2.0/UDP 24.97.255.114:5060;branch=z9hG4bK25c6203f;rport
Route: sip:pb2proxy-pro-aws03.phonebooth.net:5060;lr=on;did=8c1.4dea60c3
Max-Forwards: 70
From: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
To: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
Contact: sip:2076554742@24.97.255.114:5060
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 104 ACK
User-Agent: FPBX-2.10.1(1.8.11.0)
Content-Length: 0
NOTIFY sip:163@192.168.88.181:5060;line=6fe6m62n SIP/2.0
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK284e9c04;rport
Max-Forwards: 70
From: sip:2212726@172.16.1.34;user=phone;tag=as448e33e3
To: “Server Room” sip:163@172.16.1.34;tag=fbhfbs6me7
Contact: sip:2212726@172.16.1.34:5060
Call-ID: 73424e50231b-uhog1amj4dab
CSeq: 102 NOTIFY
User-Agent: FPBX-2.10.1(1.8.11.0)
Event: refer;id=4
Subscription-state: active
Content-Type: message/sipfrag;version=2.0
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Length: 21
SIP/2.0 180 Ringing
NOTIFY sip:163@192.168.88.181:5060;line=6fe6m62n SIP/2.0
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK6be8523c;rport
Max-Forwards: 70
From: sip:2212726@172.16.1.34;user=phone;tag=as448e33e3
To: “Server Room” sip:163@172.16.1.34;tag=fbhfbs6me7
Contact: sip:2212726@172.16.1.34:5060
Call-ID: 73424e50231b-uhog1amj4dab
CSeq: 103 NOTIFY
User-Agent: FPBX-2.10.1(1.8.11.0)
Event: refer;id=4
Subscription-state: terminated;reason=noresource
Content-Type: message/sipfrag;version=2.0
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Length: 16
SIP/2.0 200 Ok
SIP/2.0 200 Ok
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK284e9c04;rport=5060
From: sip:2212726@172.16.1.34;user=phone;tag=as448e33e3
To: “Server Room” sip:163@172.16.1.34;tag=fbhfbs6me7
Call-ID: 73424e50231b-uhog1amj4dab
CSeq: 102 NOTIFY
Contact: sip:163@192.168.88.181:5060;line=6fe6m62n;reg-id=1
Content-Length: 0
INVITE sip:2076554742@24.97.255.114:5060 SIP/2.0
Via: SIP/2.0/UDP pb2proxy-pro-aws03.phonebooth.net;branch=z9hG4bK901f.bf00fd2.0
Via: SIP/2.0/UDP 184.106.130.224;received=184.106.130.224;rport=5060;branch=z9hG4bK9SQUvF75cUHtr
Max-Forwards: 68
From: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
To: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 33316995 INVITE
Contact: sip:2072212726@184.106.130.224:5060;transport=udp
User-Agent: FreeSWITCH-mod_sofia/1.0.4-hacked
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, PRACK, MESSAGE, SUBSCRIBE, NOTIFY, REFER, UPDATE, REGISTER, INFO
Supported: precondition, path, replaces
Content-Type: application/sdp
Content-Disposition: session
Content-Length: 250
X-CompanyGuid: 0edad64d
X-BWS-ALEG-CALLID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
X-BWS-GATEWAY: OLDCORE
v=0
o=Sonus_UAC 22062 9057 IN IP4 67.231.0.213
s=SIP Media Capabilities
c=IN IP4 184.106.130.224
t=0 0
m=audio 16902 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
SIP/2.0 100 Trying
Via: SIP/2.0/UDP pb2proxy-pro-aws03.phonebooth.net;branch=z9hG4bK901f.bf00fd2.0;received=184.72.227.214;rport=5060
Via: SIP/2.0/UDP 184.106.130.224;received=184.106.130.224;rport=5060;branch=z9hG4bK9SQUvF75cUHtr
From: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
To: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 33316995 INVITE
Server: FPBX-2.10.1(1.8.11.0)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Contact: sip:2076554742@24.97.255.114:5060
Content-Length: 0
SIP/2.0 200 OK
Via: SIP/2.0/UDP pb2proxy-pro-aws03.phonebooth.net;branch=z9hG4bK901f.bf00fd2.0;received=184.72.227.214;rport=5060
Via: SIP/2.0/UDP 184.106.130.224;received=184.106.130.224;rport=5060;branch=z9hG4bK9SQUvF75cUHtr
From: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
To: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 33316995 INVITE
Server: FPBX-2.10.1(1.8.11.0)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Contact: sip:2076554742@24.97.255.114:5060
Content-Type: application/sdp
Content-Length: 239
v=0
o=root 1781383350 1781383352 IN IP4 24.97.255.114
s=Asterisk PBX 1.8.11.0
c=IN IP4 24.97.255.114
t=0 0
m=audio 16162 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=sendrecv
ACK sip:2076554742@24.97.255.114:5060 SIP/2.0
Via: SIP/2.0/UDP pb2proxy-pro-aws03.phonebooth.net;branch=z9hG4bK901f.bf00fd2.2
Via: SIP/2.0/UDP 184.106.130.224;received=184.106.130.224;rport=5060;branch=z9hG4bKa3gmyar9937cm
Max-Forwards: 69
From: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
To: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 33316995 ACK
Content-Length: 0
BYE sip:2076554742@24.97.255.114:5060 SIP/2.0
Via: SIP/2.0/UDP pb2proxy-pro-aws03.phonebooth.net;branch=z9hG4bK601f.ef11d313.0
Via: SIP/2.0/UDP 184.106.130.224;received=184.106.130.224;rport=5060;branch=z9hG4bKBcaD058c7cyZF
Max-Forwards: 69
From: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
To: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 33316996 BYE
Contact: sip:2072212726@184.106.130.224:5060;transport=udp
User-Agent: FreeSWITCH-mod_sofia/1.0.4-hacked
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, PRACK, MESSAGE, SUBSCRIBE, NOTIFY, REFER, UPDATE, REGISTER, INFO
Supported: precondition, path, replaces
Reason: Q.850;cause=16;text="NORMAL_CLEARING"
Content-Length: 0
SIP/2.0 200 OK
Via: SIP/2.0/UDP pb2proxy-pro-aws03.phonebooth.net;branch=z9hG4bK601f.ef11d313.0;received=184.72.227.214;rport=5060
Via: SIP/2.0/UDP 184.106.130.224;received=184.106.130.224;rport=5060;branch=z9hG4bKBcaD058c7cyZF
From: sip:2072212726@trunk1.phonebooth.net;tag=QKjjj8K7c3S2j
To: “Raymond Town Office” sip:2076554742@24.97.255.114;tag=as426ec7b4
Call-ID: 2a34133e444f1cce785735ec512effcf@24.97.255.114:5060
CSeq: 33316996 BYE
Server: FPBX-2.10.1(1.8.11.0)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Length: 0
CANCEL sip:250@192.168.88.165:5060;line=4p72ym7m SIP/2.0
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK16fd4bc3
Max-Forwards: 70
From: “CID:2076554742” sip:2212726@172.16.1.34;tag=as487a3bff
To: sip:250@192.168.88.165:5060;line=4p72ym7m
Call-ID: 0901cc08286a20f7705c9b3e69b7de70@172.16.1.34:5060
CSeq: 102 CANCEL
User-Agent: FPBX-2.10.1(1.8.11.0)
Content-Length: 0
NOTIFY sip:163@192.168.88.181:5060;line=6fe6m62n SIP/2.0
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK6be8523c;rport
Max-Forwards: 70
From: sip:2212726@172.16.1.34;user=phone;tag=as448e33e3
To: “Server Room” sip:163@172.16.1.34;tag=fbhfbs6me7
Contact: sip:2212726@172.16.1.34:5060
Call-ID: 73424e50231b-uhog1amj4dab
CSeq: 103 NOTIFY
User-Agent: FPBX-2.10.1(1.8.11.0)
Event: refer;id=4
Subscription-state: terminated;reason=noresource
Content-Type: message/sipfrag;version=2.0
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Length: 16
SIP/2.0 200 Ok
SIP/2.0 200 OK
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK16fd4bc3
From: “CID:2076554742” sip:2212726@172.16.1.34;tag=as487a3bff
To: sip:250@192.168.88.165:5060;line=4p72ym7m;tag=km5jkh3fmh
Call-ID: 0901cc08286a20f7705c9b3e69b7de70@172.16.1.34:5060
CSeq: 102 CANCEL
Content-Length: 0
SIP/2.0 487 Request Terminated
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK16fd4bc3
From: “CID:2076554742” sip:2212726@172.16.1.34;tag=as487a3bff
To: sip:250@192.168.88.165:5060;line=4p72ym7m;tag=km5jkh3fmh
Call-ID: 0901cc08286a20f7705c9b3e69b7de70@172.16.1.34:5060
CSeq: 102 INVITE
Contact: sip:250@192.168.88.165:5060;line=4p72ym7m;reg-id=1
Content-Length: 0
ACK sip:250@192.168.88.165:5060;line=4p72ym7m SIP/2.0
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK16fd4bc3
Max-Forwards: 70
From: “CID:2076554742” sip:2212726@172.16.1.34;tag=as487a3bff
To: sip:250@192.168.88.165:5060;line=4p72ym7m;tag=km5jkh3fmh
Contact: sip:2212726@172.16.1.34:5060
Call-ID: 0901cc08286a20f7705c9b3e69b7de70@172.16.1.34:5060
CSeq: 102 ACK
User-Agent: FPBX-2.10.1(1.8.11.0)
Content-Length: 0
BYE sip:2212726@172.16.1.34:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.88.181:5060;branch=z9hG4bK-wq5d2ie12iho;rport
From: “Server Room” sip:163@172.16.1.34;tag=fbhfbs6me7
To: sip:2212726@172.16.1.34;user=phone;tag=as448e33e3
Call-ID: 73424e50231b-uhog1amj4dab
CSeq: 5 BYE
Max-Forwards: 70
Contact: sip:163@192.168.88.181:5060;line=6fe6m62n;reg-id=1
User-Agent: snom870/8.7.3.10
RTP-RxStat: Total_Rx_Pkts=0,Rx_Pkts=0,Rx_Pkts_Lost=0,Remote_Rx_Pkts_Lost=0
RTP-TxStat: Total_Tx_Pkts=0,Tx_Pkts=0,Remote_Tx_Pkts=0
Content-Length: 0
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.88.181:5060;branch=z9hG4bK-wq5d2ie12iho;received=192.168.88.181;rport=5060
From: “Server Room” sip:163@172.16.1.34;tag=fbhfbs6me7
To: sip:2212726@172.16.1.34;user=phone;tag=as448e33e3
Call-ID: 73424e50231b-uhog1amj4dab
CSeq: 5 BYE
Server: FPBX-2.10.1(1.8.11.0)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Length: 0
SIP/2.0 200 Ok
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK6be8523c;rport=5060
From: sip:2212726@172.16.1.34;user=phone;tag=as448e33e3
To: “Server Room” sip:163@172.16.1.34;tag=fbhfbs6me7
Call-ID: 73424e50231b-uhog1amj4dab
CSeq: 103 NOTIFY
Content-Length: 0
SIP/2.0 200 Ok
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK284e9c04;rport=5060
From: sip:2212726@172.16.1.34;user=phone;tag=as448e33e3
To: “Server Room” sip:163@172.16.1.34;tag=fbhfbs6me7
Call-ID: 73424e50231b-uhog1amj4dab
CSeq: 102 NOTIFY
Contact: sip:163@192.168.88.181:5060;line=6fe6m62n;reg-id=1
Content-Length: 0
SIP/2.0 200 Ok
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK6be8523c;rport=5060
From: sip:2212726@172.16.1.34;user=phone;tag=as448e33e3
To: “Server Room” sip:163@172.16.1.34;tag=fbhfbs6me7
Call-ID: 73424e50231b-uhog1amj4dab
CSeq: 103 NOTIFY
Content-Length: 0
SIP/2.0 200 Ok
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK6be8523c;rport=5060
From: sip:2212726@172.16.1.34;user=phone;tag=as448e33e3
To: “Server Room” sip:163@172.16.1.34;tag=fbhfbs6me7
Call-ID: 73424e50231b-uhog1amj4dab
CSeq: 103 NOTIFY
Content-Length: 0
OPTIONS sip:250@192.168.88.165:5060;line=4p72ym7m SIP/2.0
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK3b5a4af1
Max-Forwards: 70
From: “Unknown” sip:Unknown@172.16.1.34;tag=as2a487bfb
To: sip:250@192.168.88.165:5060;line=4p72ym7m
Contact: sip:Unknown@172.16.1.34:5060
Call-ID: 46d49863097189480773c8c128743ff7@172.16.1.34:5060
CSeq: 102 OPTIONS
User-Agent: FPBX-2.10.1(1.8.11.0)
Date: Mon, 10 Sep 2012 19:42:00 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Length: 0
SIP/2.0 200 OK
Via: SIP/2.0/UDP 172.16.1.34:5060;branch=z9hG4bK3b5a4af1
From: “Unknown” sip:Unknown@172.16.1.34;tag=as2a487bfb
To: sip:250@192.168.88.165:5060;line=4p72ym7m;tag=czq4vzo5yk
Call-ID: 46d49863097189480773c8c128743ff7@172.16.1.34:5060
CSeq: 102 OPTIONS
Contact: sip:250@192.168.88.165:5060;line=4p72ym7m;reg-id=1
User-Agent: snom870/8.7.3.10
Accept-Language: en
Accept: application/sdp
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE
Allow-Events: talk, hold, refer, call-info
Supported: timer, 100rel, replaces, from-change
Content-Length: 0