U 192.168.192.36:5060 -> 192.168.192.1:5060
INVITE sip:233@domain SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.36:5060;branch=z9hG4bK1494813624;rport.
From: "222" <sip:222@domain>;tag=1816056257.
To: <sip:233@domain>.
Supported: replaces, 100rel, timer.
Call-ID: 1903715201@192.168.192.36.
CSeq: 20 INVITE.
Session-Expires: 1800.
Contact: <sip:222@192.168.192.36>.
Max-Forwards: 70.
User-Agent: WirelessIP5000-v2.2.6/00:03:2a:00:53:68.
Expires: 180.
Content-Type: application/sdp.
Content-Length:   271.
.
v=0.
o=222 165046255 490392876 IN IP4 192.168.192.36.
s=A_converstion.
c=IN IP4 192.168.192.36.
t=0 0.
m=audio 15000 RTP/AVP 0 8 18 96.
a=rtpmap:0 PCMU/8000/1.
a=rtpmap:8 PCMA/8000/1.
a=rtpmap:18 G729/8000/1.
a=ptime:20.
a=rtpmap:96 telephone-event/8000.
a=fmtp:96 0-11.

#
U 192.168.192.1:5060 -> 192.168.192.36:5060
SIP/2.0 407 Proxy Authentication Required.
Via: SIP/2.0/UDP 192.168.192.36:5060;branch=z9hG4bK1494813624;received=192.168.192.36;rport=5060.
From: "222" <sip:222@domain>;tag=1816056257.
To: <sip:233@domain>;tag=as48873754.
Call-ID: 1903715201@192.168.192.36.
CSeq: 20 INVITE.
User-Agent: Asterisk PBX (ScopServ).
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Proxy-Authenticate: Digest algorithm=MD5, realm="domain", nonce="79b01fdf".
Content-Length: 0.
.

#
U 192.168.192.36:5060 -> 192.168.192.1:5060
ACK sip:233@domain SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.36:5060;branch=z9hG4bK1494813624;rport.
From: "222" <sip:222@domain>;tag=1816056257.
To: <sip:233@domain>;tag=as48873754.
Call-ID: 1903715201@192.168.192.36.
CSeq: 20 ACK.
Content-Length: 0.
.

#
U 192.168.192.36:5060 -> 192.168.192.1:5060
INVITE sip:233@domain SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.36:5060;branch=z9hG4bK855153315.
From: "222" <sip:222@domain>;tag=1816056257.
To: <sip:233@domain>.
Supported: replaces, 100rel, timer.
Call-ID: 1903715201@192.168.192.36.
CSeq: 21 INVITE.
Session-Expires: 1800.
Contact: <sip:222@192.168.192.36>.
Proxy-Authorization: Digest username="222", realm="domain", nonce="79b01fdf", uri="sip:233@domain", response="c2829076e223e5852aebdea669e7980b", algorithm=MD5.
Max-Forwards: 70.
User-Agent: WirelessIP5000-v2.2.6/00:03:2a:00:53:68.
Expires: 180.
Content-Type: application/sdp.
Content-Length:   271.
.
v=0.
o=222 165046255 490392876 IN IP4 192.168.192.36.
s=A_converstion.
c=IN IP4 192.168.192.36.
t=0 0.
m=audio 15000 RTP/AVP 0 8 18 96.
a=rtpmap:0 PCMU/8000/1.
a=rtpmap:8 PCMA/8000/1.
a=rtpmap:18 G729/8000/1.
a=ptime:20.
a=rtpmap:96 telephone-event/8000.
a=fmtp:96 0-11.

#
U 192.168.192.1:5060 -> 192.168.192.36:5060
SIP/2.0 100 Trying.
Via: SIP/2.0/UDP 192.168.192.36:5060;branch=z9hG4bK855153315;received=192.168.192.36.
From: "222" <sip:222@domain>;tag=1816056257.
To: <sip:233@domain>.
Call-ID: 1903715201@192.168.192.36.
CSeq: 21 INVITE.
User-Agent: Asterisk PBX (ScopServ).
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Contact: <sip:233@192.168.192.1>.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
NOTIFY sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK4af506f8;rport.
From: "" <sip:222@domain:5060>;tag=as7fee0227.
To: "220" <sip:220@domain:5060>;tag=5d58450112.
Contact: <sip:222@192.168.192.1>.
Call-ID: 3269babd17f7a396.
CSeq: 210 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 214.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="108" state="full" entity="sip:222@domain:5060">
<dialog id="222">
<state>confirmed</state>
</dialog>
</dialog-info>

#
U 192.168.192.1:5060 -> 192.168.192.187:5060
NOTIFY sip:300@192.168.192.187:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK78c9d349;rport.
From: <sip:222@domain>;tag=as40f94ca1.
To: "private" <sip:300@domain>;tag=CF0494CA-FC6344D3.
Contact: <sip:222@192.168.192.1>.
Call-ID: 24858756-5a039598-7924a9@192.168.192.187.
CSeq: 280 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: presence.
Content-Type: application/xpidf+xml.
Subscription-State: active.
Content-Length: 356.
.
<?xml version="1.0"?>
<!DOCTYPE presence PUBLIC "-//IETF//DTD RFCxxxx XPIDF 1.0//EN" "xpidf.dtd">
<presence>
<presentity uri="sip:300@domain;method=SUBSCRIBE" />
<atom id="222">
<address uri="sip:222@domain;user=ip" priority="0.800000">
<status status="inuse" />
<msnsubstatus substatus="onthephone" />
</address>
</atom>
</presence>

#
U 192.168.192.187:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK78c9d349;rport.
From: <sip:222@domain>;tag=as40f94ca1.
To: "private" <sip:300@domain>;tag=CF0494CA-FC6344D3.
CSeq: 280 NOTIFY.
Call-ID: 24858756-5a039598-7924a9@192.168.192.187.
Contact: <sip:300@192.168.192.187:5060>.
Event: presence.
User-Agent: PolycomSoundPointIP-SPIP_600-UA/3.1.1.0137.
Accept-Language: en.
Content-Length: 0.
.

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK4af506f8;rport=5060;received=192.168.192.1.
From: "" <sip:222@domain:5060>;tag=as7fee0227.
To: "220" <sip:220@domain:5060>;tag=5d58450112.
Call-ID: 3269babd17f7a396.
CSeq: 210 NOTIFY.
Contact: "220" <sip:220@192.168.192.198:5060;transport=udp>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-00085D195DCD>".
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
NOTIFY sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK40473dac;rport.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Contact: <sip:233@192.168.192.1>.
Call-ID: 6a34b628cfa9df4e.
CSeq: 178 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 231.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="76" state="full" entity="sip:233@domain:5060">
<dialog id="233" direction="recipient">
<state>early</state>
</dialog>
</dialog-info>

#
U 192.168.192.1:5060 -> 192.168.192.187:5060
NOTIFY sip:300@192.168.192.187:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK7b547ea9;rport.
From: <sip:233@domain>;tag=as1dc0e514.
To: "private" <sip:300@domain>;tag=D9F0E14B-92E9A130.
Contact: <sip:233@192.168.192.1>.
Call-ID: c251c9a7-16d03ee1-1846e1ae@192.168.192.187.
CSeq: 244 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: presence.
Content-Type: application/xpidf+xml.
Subscription-State: active.
Content-Length: 356.
.
<?xml version="1.0"?>
<!DOCTYPE presence PUBLIC "-//IETF//DTD RFCxxxx XPIDF 1.0//EN" "xpidf.dtd">
<presence>
<presentity uri="sip:300@domain;method=SUBSCRIBE" />
<atom id="233">
<address uri="sip:233@domain;user=ip" priority="0.800000">
<status status="inuse" />
<msnsubstatus substatus="onthephone" />
</address>
</atom>
</presence>

#
U 192.168.192.1:5060 -> 192.168.192.188:5060
INVITE sip:233@192.168.192.188:5060;line=fuoublp9 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK45d9d250;rport.
From: "WiFi" <sip:222@192.168.192.1>;tag=as0355e8d4.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>.
Contact: <sip:222@192.168.192.1>.
Call-ID: 19b2edeb0a61b58a6458caf808c0f46f@192.168.192.1.
CSeq: 102 INVITE.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Remote-Party-ID: "WiFi" <sip:222@192.168.192.1>;privacy=off;screen=no.
Date: Fri, 30 Jan 2009 01:02:30 GMT.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Content-Type: application/sdp.
Content-Length: 240.
.
v=0.
o=root 1191 1191 IN IP4 192.168.192.1.
s=session.
c=IN IP4 192.168.192.1.
t=0 0.
m=audio 12536 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.
a=sendrecv.

#
U 192.168.192.187:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK7b547ea9;rport.
From: <sip:233@domain>;tag=as1dc0e514.
To: "private" <sip:300@domain>;tag=D9F0E14B-92E9A130.
CSeq: 244 NOTIFY.
Call-ID: c251c9a7-16d03ee1-1846e1ae@192.168.192.187.
Contact: <sip:300@192.168.192.187:5060>.
Event: presence.
User-Agent: PolycomSoundPointIP-SPIP_600-UA/3.1.1.0137.
Accept-Language: en.
Content-Length: 0.
.

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK40473dac;rport=5060;received=192.168.192.1.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Call-ID: 6a34b628cfa9df4e.
CSeq: 178 NOTIFY.
Contact: "220" <sip:220@192.168.192.198:5060;transport=udp>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-00085D195DCD>".
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.188:5060 -> 192.168.192.1:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK45d9d250;rport=5060.
From: "WiFi" <sip:222@192.168.192.1>;tag=as0355e8d4.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>;tag=00gpx70lht.
Call-ID: 19b2edeb0a61b58a6458caf808c0f46f@192.168.192.1.
CSeq: 102 INVITE.
Contact: <sip:233@192.168.192.188:5060;line=fuoublp9>;flow-id=1.
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO.
Allow-Events: talk, hold, refer, call-info.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.36:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP 192.168.192.36:5060;branch=z9hG4bK855153315;received=192.168.192.36.
From: "222" <sip:222@domain>;tag=1816056257.
To: <sip:233@domain>;tag=as32272c5a.
Call-ID: 1903715201@192.168.192.36.
CSeq: 21 INVITE.
User-Agent: Asterisk PBX (ScopServ).
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Contact: <sip:233@192.168.192.1>.
Content-Length: 0.
.

#
U 192.168.192.188:5060 -> 192.168.192.1:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK45d9d250;rport=5060.
From: "WiFi" <sip:222@192.168.192.1>;tag=as0355e8d4.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>;tag=00gpx70lht.
Call-ID: 19b2edeb0a61b58a6458caf808c0f46f@192.168.192.1.
CSeq: 102 INVITE.
Contact: <sip:233@192.168.192.188:5060;line=fuoublp9>;flow-id=1.
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO.
Allow-Events: talk, hold, refer, call-info.
Content-Length: 0.
.

#
U 192.168.192.188:5060 -> 192.168.192.1:5060
SIP/2.0 200 Ok.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK45d9d250;rport=5060.
From: "WiFi" <sip:222@192.168.192.1>;tag=as0355e8d4.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>;tag=00gpx70lht.
Call-ID: 19b2edeb0a61b58a6458caf808c0f46f@192.168.192.1.
CSeq: 102 INVITE.
Contact: <sip:233@192.168.192.188:5060;line=fuoublp9>;flow-id=1.
User-Agent: snom320/7.1.35.
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-Type: application/sdp.
Content-Length: 224.
.
v=0.
o=root 367425941 367425942 IN IP4 192.168.192.188.
s=call.
c=IN IP4 192.168.192.188.
t=0 0.
m=audio 18988 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.

#
U 192.168.192.1:5060 -> 192.168.192.188:5060
ACK sip:233@192.168.192.188:5060;line=fuoublp9 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK24f879d1;rport.
From: "WiFi" <sip:222@192.168.192.1>;tag=as0355e8d4.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>;tag=00gpx70lht.
Contact: <sip:222@192.168.192.1>.
Call-ID: 19b2edeb0a61b58a6458caf808c0f46f@192.168.192.1.
CSeq: 102 ACK.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Remote-Party-ID: "WiFi" <sip:222@192.168.192.1>;privacy=off;screen=no.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
NOTIFY sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK2333ebdc;rport.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Contact: <sip:233@192.168.192.1>.
Call-ID: 6a34b628cfa9df4e.
CSeq: 179 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 213.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="77" state="full" entity="sip:233@domain:5060">
<dialog id="233">
<state>confirmed</state>
</dialog>
</dialog-info>

#
U 192.168.192.1:5060 -> 192.168.192.187:5060
NOTIFY sip:300@192.168.192.187:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK04775006;rport.
From: <sip:233@domain>;tag=as1dc0e514.
To: "private" <sip:300@domain>;tag=D9F0E14B-92E9A130.
Contact: <sip:233@192.168.192.1>.
Call-ID: c251c9a7-16d03ee1-1846e1ae@192.168.192.187.
CSeq: 245 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: presence.
Content-Type: application/xpidf+xml.
Subscription-State: active.
Content-Length: 356.
.
<?xml version="1.0"?>
<!DOCTYPE presence PUBLIC "-//IETF//DTD RFCxxxx XPIDF 1.0//EN" "xpidf.dtd">
<presence>
<presentity uri="sip:300@domain;method=SUBSCRIBE" />
<atom id="233">
<address uri="sip:233@domain;user=ip" priority="0.800000">
<status status="inuse" />
<msnsubstatus substatus="onthephone" />
</address>
</atom>
</presence>

#
U 192.168.192.1:5060 -> 192.168.192.36:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.36:5060;branch=z9hG4bK855153315;received=192.168.192.36.
From: "222" <sip:222@domain>;tag=1816056257.
To: <sip:233@domain>;tag=as32272c5a.
Call-ID: 1903715201@192.168.192.36.
CSeq: 21 INVITE.
User-Agent: Asterisk PBX (ScopServ).
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Contact: <sip:233@192.168.192.1>.
Content-Type: application/sdp.
Content-Length: 284.
.
v=0.
o=root 1191 1191 IN IP4 192.168.192.1.
s=session.
c=IN IP4 192.168.192.1.
t=0 0.
m=audio 17662 RTP/AVP 0 18 96.
a=rtpmap:0 PCMU/8000.
a=rtpmap:18 G729/8000.
a=fmtp:18 annexb=no.
a=rtpmap:96 telephone-event/8000.
a=fmtp:96 0-16.
a=silenceSupp:off - - - -.
a=ptime:20.
a=sendrecv.

#
U 192.168.192.187:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK04775006;rport.
From: <sip:233@domain>;tag=as1dc0e514.
To: "private" <sip:300@domain>;tag=D9F0E14B-92E9A130.
CSeq: 245 NOTIFY.
Call-ID: c251c9a7-16d03ee1-1846e1ae@192.168.192.187.
Contact: <sip:300@192.168.192.187:5060>.
Event: presence.
User-Agent: PolycomSoundPointIP-SPIP_600-UA/3.1.1.0137.
Accept-Language: en.
Content-Length: 0.
.

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK2333ebdc;rport=5060;received=192.168.192.1.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Call-ID: 6a34b628cfa9df4e.
CSeq: 179 NOTIFY.
Contact: "220" <sip:220@192.168.192.198:5060;transport=udp>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-00085D195DCD>".
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.36:5060 -> 192.168.192.1:5060
ACK sip:233@192.168.192.1 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.36:5060;branch=z9hG4bK1156783619.
From: "222" <sip:222@domain>;tag=1816056257.
To: <sip:233@domain>;tag=as32272c5a.
Call-ID: 1903715201@192.168.192.36.
CSeq: 21 ACK.
Max-Forwards: 70.
User-Agent: WirelessIP5000-v2.2.6/00:03:2a:00:53:68.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
NOTIFY sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK0dfdc27d;rport.
From: "" <sip:220@domain:5060>;tag=as7e088433.
To: "220" <sip:220@domain:5060>;tag=8b5ed66207.
Contact: <sip:220@192.168.192.1>.
Call-ID: fb14b53315fd1f0c.
CSeq: 143 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 231.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="41" state="full" entity="sip:220@domain:5060">
<dialog id="220" direction="recipient">
<state>early</state>
</dialog>
</dialog-info>

#
U 192.168.192.1:5060 -> 192.168.192.188:5060
NOTIFY sip:233@192.168.192.188:5060;line=fuoublp9 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK572c1acf;rport.
From: <sip:220@domain>;tag=as11962287.
To: <sip:233@domain>;tag=ne3d1bhnn2.
Contact: <sip:220@192.168.192.1>.
Call-ID: 3c2670155f4c-q4x8jrfxxbeh.
CSeq: 605 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 227.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="503" state="full" entity="sip:220@domain">
<dialog id="220" direction="recipient">
<state>early</state>
</dialog>
</dialog-info>

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
INVITE sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK57370151;rport.
From: "233" <sip:233@192.168.192.1>;tag=as2bc680ed.
To: <sip:220@192.168.192.198:5060;transport=udp>.
Contact: <sip:233@192.168.192.1>.
Call-ID: 326a93094e8cf84f22dc7e167565929a@192.168.192.1.
CSeq: 102 INVITE.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Remote-Party-ID: "233" <sip:233@192.168.192.1>;privacy=off;screen=no.
Date: Fri, 30 Jan 2009 01:02:36 GMT.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Content-Type: application/sdp.
Content-Length: 240.
.
v=0.
o=root 1191 1191 IN IP4 192.168.192.1.
s=session.
c=IN IP4 192.168.192.1.
t=0 0.
m=audio 16674 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.
a=sendrecv.

#
U 192.168.192.188:5060 -> 192.168.192.1:5060
SIP/2.0 200 Ok.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK572c1acf;rport=5060.
From: <sip:220@domain>;tag=as11962287.
To: <sip:233@domain>;tag=ne3d1bhnn2.
Call-ID: 3c2670155f4c-q4x8jrfxxbeh.
CSeq: 605 NOTIFY.
Content-Length: 0.
.

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK0dfdc27d;rport=5060;received=192.168.192.1.
From: "" <sip:220@domain:5060>;tag=as7e088433.
To: "220" <sip:220@domain:5060>;tag=8b5ed66207.
Call-ID: fb14b53315fd1f0c.
CSeq: 143 NOTIFY.
Contact: "220" <sip:220@192.168.192.198:5060;transport=udp>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-00085D195DCD>".
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK57370151;rport=5060;received=192.168.192.1.
From: "233" <sip:233@192.168.192.1>;tag=as2bc680ed.
To: <sip:220@192.168.192.198:5060;transport=udp>;tag=705869074.
Call-ID: 326a93094e8cf84f22dc7e167565929a@192.168.192.1.
CSeq: 102 INVITE.
Allow:  INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE, PRACK, SUBSCRIBE, INFO.
Allow-Events: talk, hold, conference, LocalModeStatus.
Contact: "220" <sip:220@192.168.192.198:5060;transport=udp>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-00085D195DCD>".
Server: Aastra 57i/2.4.1.37.
Supported: gruu.
Content-Length: 0.
.

#
U 192.168.192.187:5060 -> 192.168.192.1:5060
SUBSCRIBE sip:200@domain:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.187:5060;branch=z9hG4bKb192d1374C1DE0.
From: "private" <sip:300@domain>;tag=DB25B51F-A1309334.
To: <sip:200@domain>.
CSeq: 1 SUBSCRIBE.
Call-ID: edd57dbb-8df07055-dd0d46d2@192.168.192.187.
Contact: <sip:300@192.168.192.187:5060>.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER.
Event: presence.
User-Agent: PolycomSoundPointIP-SPIP_600-UA/3.1.1.0137.
Accept-Language: en.
Accept: application/xpidf+xml,text/xml+msrtc.pidf.
Max-Forwards: 70.
Expires: 3600.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.187:5060
SIP/2.0 401 Unauthorized.
Via: SIP/2.0/UDP 192.168.192.187:5060;branch=z9hG4bKb192d1374C1DE0;received=192.168.192.187.
From: "private" <sip:300@domain>;tag=DB25B51F-A1309334.
To: <sip:200@domain>;tag=as43fdce0e.
Call-ID: edd57dbb-8df07055-dd0d46d2@192.168.192.187.
CSeq: 1 SUBSCRIBE.
User-Agent: Asterisk PBX (ScopServ).
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
WWW-Authenticate: Digest algorithm=MD5, realm="domain", nonce="6e73f6f2".
Content-Length: 0.
.

#
U 192.168.192.187:5060 -> 192.168.192.1:5060
SUBSCRIBE sip:200@domain:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.187:5060;branch=z9hG4bKd36a0f8630EE0299.
From: "private" <sip:300@domain>;tag=DB25B51F-A1309334.
To: <sip:200@domain>.
CSeq: 2 SUBSCRIBE.
Call-ID: edd57dbb-8df07055-dd0d46d2@192.168.192.187.
Contact: <sip:300@192.168.192.187:5060>.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER.
Event: presence.
User-Agent: PolycomSoundPointIP-SPIP_600-UA/3.1.1.0137.
Accept-Language: en.
Accept: application/xpidf+xml,text/xml+msrtc.pidf.
Authorization: Digest username="300", realm="domain", nonce="6e73f6f2", uri="sip:200@domain:5060", response="e152ab001cd22a94552abe77c5a0ab92", algorithm=MD5.
Max-Forwards: 70.
Expires: 3600.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.187:5060
SIP/2.0 404 Not Found.
Via: SIP/2.0/UDP 192.168.192.187:5060;branch=z9hG4bKd36a0f8630EE0299;received=192.168.192.187.
From: "private" <sip:300@domain>;tag=DB25B51F-A1309334.
To: <sip:200@domain>;tag=as43fdce0e.
Call-ID: edd57dbb-8df07055-dd0d46d2@192.168.192.187.
CSeq: 2 SUBSCRIBE.
User-Agent: Asterisk PBX (ScopServ).
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.195:5060
OPTIONS sip:225@192.168.192.195:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK569c0efa;rport.
From: "asterisk" <sip:asterisk@192.168.192.1>;tag=as41a130af.
To: <sip:225@192.168.192.195:5060;transport=udp>.
Contact: <sip:asterisk@192.168.192.1>.
Call-ID: 64d819011085ba7c1a22de3c4cf73c7e@192.168.192.1.
CSeq: 102 OPTIONS.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Date: Fri, 30 Jan 2009 01:02:45 GMT.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Content-Length: 0.
.

#
U 192.168.192.195:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Call-ID: 64d819011085ba7c1a22de3c4cf73c7e@192.168.192.1.
CSeq: 102 OPTIONS.
From: "asterisk" <sip:asterisk@192.168.192.1>;tag=as41a130af.
To: <sip:225@192.168.192.195:5060>;tag=c0a1a03389c6b00.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK569c0efa;rport.
Content-Length: 0.
Allow:NOTIFY,REFER,OPTIONS,INVITE,ACK,CANCEL,BYE,INFO.
Contact: <sip:225@192.168.192.195:5060;transport=udp>.
Supported: replaces.
User-Agent: Aastra 480i/1.4.3.23 Brcm Callctrl/1.5.1.0 MxSF/v3.2.8.45.
.

#
U 192.168.192.188:5060 -> 192.168.192.1:5060
BYE sip:222@192.168.192.1 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.188:5060;branch=z9hG4bK-1llr3slmwas4;rport.
From: <sip:233@192.168.192.188:5060;line=fuoublp9>;tag=00gpx70lht.
To: "WiFi" <sip:222@192.168.192.1>;tag=as0355e8d4.
Call-ID: 19b2edeb0a61b58a6458caf808c0f46f@192.168.192.1.
CSeq: 1 BYE.
Max-Forwards: 70.
Contact: <sip:233@192.168.192.188:5060;line=fuoublp9>;flow-id=1.
User-Agent: snom320/7.1.35.
RTP-RxStat: Total_Rx_Pkts=805,Rx_Pkts=805,Rx_Pkts_Lost=0,Remote_Rx_Pkts_Lost=0.
RTP-TxStat: Total_Tx_Pkts=820,Tx_Pkts=820,Remote_Tx_Pkts=708.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.188:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.188:5060;branch=z9hG4bK-1llr3slmwas4;received=192.168.192.188;rport=5060.
From: <sip:233@192.168.192.188:5060;line=fuoublp9>;tag=00gpx70lht.
To: "WiFi" <sip:222@192.168.192.1>;tag=as0355e8d4.
Call-ID: 19b2edeb0a61b58a6458caf808c0f46f@192.168.192.1.
CSeq: 1 BYE.
User-Agent: Asterisk PBX (ScopServ).
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Contact: <sip:222@192.168.192.1>.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.188:5060
OPTIONS sip:233@192.168.192.188:5060;line=fuoublp9 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK3dfd74ee;rport.
From: "asterisk" <sip:asterisk@192.168.192.1>;tag=as448f2a76.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>.
Contact: <sip:asterisk@192.168.192.1>.
Call-ID: 5d9ace2700121ac969e495d2423bfa6d@192.168.192.1.
CSeq: 102 OPTIONS.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Date: Fri, 30 Jan 2009 01:02:52 GMT.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Content-Length: 0.
.

#
U 192.168.192.188:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK3dfd74ee;rport=5060.
From: "asterisk" <sip:asterisk@192.168.192.1>;tag=as448f2a76.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>.
Call-ID: 5d9ace2700121ac969e495d2423bfa6d@192.168.192.1.
CSeq: 102 OPTIONS.
Contact: <sip:233@192.168.192.188:5060;line=fuoublp9>;flow-id=1.
User-Agent: snom320/7.1.35.
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 192.168.192.1:5060 -> 192.168.192.198:5060
NOTIFY sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK4bc2405f;rport.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Contact: <sip:233@192.168.192.1>.
Call-ID: 6a34b628cfa9df4e.
CSeq: 180 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 214.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="78" state="full" entity="sip:233@domain:5060">
<dialog id="233">
<state>terminated</state>
</dialog>
</dialog-info>

#
U 192.168.192.1:5060 -> 192.168.192.187:5060
NOTIFY sip:300@192.168.192.187:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK4811d1f2;rport.
From: <sip:233@domain>;tag=as1dc0e514.
To: "private" <sip:300@domain>;tag=D9F0E14B-92E9A130.
Contact: <sip:233@192.168.192.1>.
Call-ID: c251c9a7-16d03ee1-1846e1ae@192.168.192.187.
CSeq: 246 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: presence.
Content-Type: application/xpidf+xml.
Subscription-State: active.
Content-Length: 351.
.
<?xml version="1.0"?>
<!DOCTYPE presence PUBLIC "-//IETF//DTD RFCxxxx XPIDF 1.0//EN" "xpidf.dtd">
<presence>
<presentity uri="sip:300@domain;method=SUBSCRIBE" />
<atom id="233">
<address uri="sip:233@domain;user=ip" priority="0.800000">
<status status="open" />
<msnsubstatus substatus="online" />
</address>
</atom>
</presence>

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK4bc2405f;rport=5060;received=192.168.192.1.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Call-ID: 6a34b628cfa9df4e.
CSeq: 180 NOTIFY.
Contact: "220" <sip:220@192.168.192.198:5060;transport=udp>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-00085D195DCD>".
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.187:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK4811d1f2;rport.
From: <sip:233@domain>;tag=as1dc0e514.
To: "private" <sip:300@domain>;tag=D9F0E14B-92E9A130.
CSeq: 246 NOTIFY.
Call-ID: c251c9a7-16d03ee1-1846e1ae@192.168.192.187.
Contact: <sip:300@192.168.192.187:5060>.
Event: presence.
User-Agent: PolycomSoundPointIP-SPIP_600-UA/3.1.1.0137.
Accept-Language: en.
Content-Length: 0.
.

#
U 192.168.192.187:5060 -> 192.168.192.1:5060
SUBSCRIBE sip:300@domain:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.187:5060;branch=z9hG4bK958e1b434CA2B5FA.
From: "private" <sip:300@domain>;tag=E509561-34300E2E.
To: <sip:300@domain:5060>.
CSeq: 1 SUBSCRIBE.
Call-ID: 49c86d9d-c571b427-e199451c@192.168.192.187.
Contact: <sip:300@192.168.192.187:5060>.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER.
Event: missed-call-summary.
User-Agent: PolycomSoundPointIP-SPIP_600-UA/3.1.1.0137.
Accept-Language: en.
Accept: message/sipfrag.
Max-Forwards: 70.
Expires: 3600.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.187:5060
SIP/2.0 401 Unauthorized.
Via: SIP/2.0/UDP 192.168.192.187:5060;branch=z9hG4bK958e1b434CA2B5FA;received=192.168.192.187.
From: "private" <sip:300@domain>;tag=E509561-34300E2E.
To: <sip:300@domain:5060>;tag=as46f778b4.
Call-ID: 49c86d9d-c571b427-e199451c@192.168.192.187.
CSeq: 1 SUBSCRIBE.
User-Agent: Asterisk PBX (ScopServ).
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
WWW-Authenticate: Digest algorithm=MD5, realm="domain", nonce="0eac5944".
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
CANCEL sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK57370151;rport.
From: "233" <sip:233@192.168.192.1>;tag=as2bc680ed.
To: <sip:220@192.168.192.198:5060;transport=udp>.
Call-ID: 326a93094e8cf84f22dc7e167565929a@192.168.192.1.
CSeq: 102 CANCEL.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Remote-Party-ID: "233" <sip:233@192.168.192.1>;privacy=off;screen=no.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
NOTIFY sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK736854f1;rport.
From: "" <sip:220@domain:5060>;tag=as7e088433.
To: "220" <sip:220@domain:5060>;tag=8b5ed66207.
Contact: <sip:220@192.168.192.1>.
Call-ID: fb14b53315fd1f0c.
CSeq: 144 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 214.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="42" state="full" entity="sip:220@domain:5060">
<dialog id="220">
<state>terminated</state>
</dialog>
</dialog-info>

#
U 192.168.192.1:5060 -> 192.168.192.188:5060
NOTIFY sip:233@192.168.192.188:5060;line=fuoublp9 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK7d700db6;rport.
From: <sip:220@domain>;tag=as11962287.
To: <sip:233@domain>;tag=ne3d1bhnn2.
Contact: <sip:220@192.168.192.1>.
Call-ID: 3c2670155f4c-q4x8jrfxxbeh.
CSeq: 606 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 210.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="504" state="full" entity="sip:220@domain">
<dialog id="220">
<state>terminated</state>
</dialog>
</dialog-info>

#
U 192.168.192.1:5060 -> 192.168.192.188:5060
INVITE sip:233@192.168.192.188:5060;line=fuoublp9 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK1e8a43a4;rport.
From: "233" <sip:233@192.168.192.1>;tag=as69a61cb8.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>.
Contact: <sip:233@192.168.192.1>.
Call-ID: 6ddd50af6342e349350b02334f5a5871@192.168.192.1.
CSeq: 102 INVITE.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Remote-Party-ID: "233" <sip:233@192.168.192.1>;privacy=off;screen=no.
Date: Fri, 30 Jan 2009 01:02:56 GMT.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Content-Type: application/sdp.
Content-Length: 240.
.
v=0.
o=root 1191 1191 IN IP4 192.168.192.1.
s=session.
c=IN IP4 192.168.192.1.
t=0 0.
m=audio 16782 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.
a=sendrecv.

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
NOTIFY sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK2d9a8eda;rport.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Contact: <sip:233@192.168.192.1>.
Call-ID: 6a34b628cfa9df4e.
CSeq: 181 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 231.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="79" state="full" entity="sip:233@domain:5060">
<dialog id="233" direction="recipient">
<state>early</state>
</dialog>
</dialog-info>

#
U 192.168.192.1:5060 -> 192.168.192.187:5060
NOTIFY sip:300@192.168.192.187:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK2f72bb99;rport.
From: <sip:233@domain>;tag=as1dc0e514.
To: "private" <sip:300@domain>;tag=D9F0E14B-92E9A130.
Contact: <sip:233@192.168.192.1>.
Call-ID: c251c9a7-16d03ee1-1846e1ae@192.168.192.187.
CSeq: 247 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: presence.
Content-Type: application/xpidf+xml.
Subscription-State: active.
Content-Length: 356.
.
<?xml version="1.0"?>
<!DOCTYPE presence PUBLIC "-//IETF//DTD RFCxxxx XPIDF 1.0//EN" "xpidf.dtd">
<presence>
<presentity uri="sip:300@domain;method=SUBSCRIBE" />
<atom id="233">
<address uri="sip:233@domain;user=ip" priority="0.800000">
<status status="inuse" />
<msnsubstatus substatus="onthephone" />
</address>
</atom>
</presence>

#
U 192.168.192.187:5060 -> 192.168.192.1:5060
SUBSCRIBE sip:300@domain:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.187:5060;branch=z9hG4bK68cc29b077043CB.
From: "private" <sip:300@domain>;tag=E509561-34300E2E.
To: <sip:300@domain:5060>.
CSeq: 2 SUBSCRIBE.
Call-ID: 49c86d9d-c571b427-e199451c@192.168.192.187.
Contact: <sip:300@192.168.192.187:5060>.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER.
Event: missed-call-summary.
User-Agent: PolycomSoundPointIP-SPIP_600-UA/3.1.1.0137.
Accept-Language: en.
Accept: message/sipfrag.
Authorization: Digest username="300", realm="domain", nonce="0eac5944", uri="sip:300@domain:5060", response="10941f1f3e6d5541bec39ad16753120e", algorithm=MD5.
Max-Forwards: 70.
Expires: 3600.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.187:5060
SIP/2.0 489 Bad Event.
Via: SIP/2.0/UDP 192.168.192.187:5060;branch=z9hG4bK68cc29b077043CB;received=192.168.192.187.
From: "private" <sip:300@domain>;tag=E509561-34300E2E.
To: <sip:300@domain:5060>;tag=as46f778b4.
Call-ID: 49c86d9d-c571b427-e199451c@192.168.192.187.
CSeq: 2 SUBSCRIBE.
User-Agent: Asterisk PBX (ScopServ).
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Content-Length: 0.
.

#
U 192.168.192.188:5060 -> 192.168.192.1:5060
SIP/2.0 200 Ok.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK7d700db6;rport=5060.
From: <sip:220@domain>;tag=as11962287.
To: <sip:233@domain>;tag=ne3d1bhnn2.
Call-ID: 3c2670155f4c-q4x8jrfxxbeh.
CSeq: 606 NOTIFY.
Content-Length: 0.
.

#
U 192.168.192.187:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK2f72bb99;rport.
From: <sip:233@domain>;tag=as1dc0e514.
To: "private" <sip:300@domain>;tag=D9F0E14B-92E9A130.
CSeq: 247 NOTIFY.
Call-ID: c251c9a7-16d03ee1-1846e1ae@192.168.192.187.
Contact: <sip:300@192.168.192.187:5060>.
Event: presence.
User-Agent: PolycomSoundPointIP-SPIP_600-UA/3.1.1.0137.
Accept-Language: en.
Content-Length: 0.
.

#
U 192.168.192.188:5060 -> 192.168.192.1:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK1e8a43a4;rport=5060.
From: "233" <sip:233@192.168.192.1>;tag=as69a61cb8.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>;tag=nmxo2ctyjt.
Call-ID: 6ddd50af6342e349350b02334f5a5871@192.168.192.1.
CSeq: 102 INVITE.
Contact: <sip:233@192.168.192.188:5060;line=fuoublp9>;flow-id=1.
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO.
Allow-Events: talk, hold, refer, call-info.
Content-Length: 0.
.

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK57370151;rport=5060;received=192.168.192.1.
From: "233" <sip:233@192.168.192.1>;tag=as2bc680ed.
To: <sip:220@192.168.192.198:5060;transport=udp>;tag=705869074.
Call-ID: 326a93094e8cf84f22dc7e167565929a@192.168.192.1.
CSeq: 102 CANCEL.
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 487 Request Terminated.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK57370151;rport=5060;received=192.168.192.1.
From: "233" <sip:233@192.168.192.1>;tag=as2bc680ed.
To: <sip:220@192.168.192.198:5060;transport=udp>;tag=705869074.
Call-ID: 326a93094e8cf84f22dc7e167565929a@192.168.192.1.
CSeq: 102 INVITE.
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
ACK sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK57370151;rport.
From: "233" <sip:233@192.168.192.1>;tag=as2bc680ed.
To: <sip:220@192.168.192.198:5060;transport=udp>;tag=705869074.
Contact: <sip:233@192.168.192.1>.
Call-ID: 326a93094e8cf84f22dc7e167565929a@192.168.192.1.
CSeq: 102 ACK.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Remote-Party-ID: "233" <sip:233@192.168.192.1>;privacy=off;screen=no.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
NOTIFY sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK736854f1;rport.
From: "" <sip:220@domain:5060>;tag=as7e088433.
To: "220" <sip:220@domain:5060>;tag=8b5ed66207.
Contact: <sip:220@192.168.192.1>.
Call-ID: fb14b53315fd1f0c.
CSeq: 144 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 214.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="42" state="full" entity="sip:220@domain:5060">
<dialog id="220">
<state>terminated</state>
</dialog>
</dialog-info>

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
NOTIFY sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK2d9a8eda;rport.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Contact: <sip:233@192.168.192.1>.
Call-ID: 6a34b628cfa9df4e.
CSeq: 181 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 231.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="79" state="full" entity="sip:233@domain:5060">
<dialog id="233" direction="recipient">
<state>early</state>
</dialog>
</dialog-info>

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK736854f1;rport=5060;received=192.168.192.1.
From: "" <sip:220@domain:5060>;tag=as7e088433.
To: "220" <sip:220@domain:5060>;tag=8b5ed66207.
Call-ID: fb14b53315fd1f0c.
CSeq: 144 NOTIFY.
Contact: "220" <sip:220@192.168.192.198:5060;transport=udp>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-00085D195DCD>".
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK2d9a8eda;rport=5060;received=192.168.192.1.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Call-ID: 6a34b628cfa9df4e.
CSeq: 181 NOTIFY.
Contact: "220" <sip:220@192.168.192.198:5060;transport=udp>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-00085D195DCD>".
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK736854f1;rport=5060;received=192.168.192.1.
From: "" <sip:220@domain:5060>;tag=as7e088433.
To: "220" <sip:220@domain:5060>;tag=8b5ed66207.
Call-ID: fb14b53315fd1f0c.
CSeq: 144 NOTIFY.
Contact: "220" <sip:220@192.168.192.198:5060;transport=udp>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-00085D195DCD>".
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK2d9a8eda;rport=5060;received=192.168.192.1.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Call-ID: 6a34b628cfa9df4e.
CSeq: 181 NOTIFY.
Contact: "220" <sip:220@192.168.192.198:5060;transport=udp>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-00085D195DCD>".
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.188:5060 -> 192.168.192.1:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK1e8a43a4;rport=5060.
From: "233" <sip:233@192.168.192.1>;tag=as69a61cb8.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>;tag=nmxo2ctyjt.
Call-ID: 6ddd50af6342e349350b02334f5a5871@192.168.192.1.
CSeq: 102 INVITE.
Contact: <sip:233@192.168.192.188:5060;line=fuoublp9>;flow-id=1.
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO.
Allow-Events: talk, hold, refer, call-info.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.22:5060
OPTIONS sip:229@192.168.192.22 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK03753dc3;rport.
From: "asterisk" <sip:asterisk@192.168.192.1>;tag=as7341e937.
To: <sip:229@192.168.192.22>.
Contact: <sip:asterisk@192.168.192.1>.
Call-ID: 6ec33f6129df2a6e63bfdbc84fc7b97d@192.168.192.1.
CSeq: 102 OPTIONS.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Date: Fri, 30 Jan 2009 01:02:58 GMT.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Content-Length: 0.
.

#
U 192.168.192.188:5060 -> 192.168.192.1:5060
SIP/2.0 180 Ringing.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK1e8a43a4;rport=5060.
From: "233" <sip:233@192.168.192.1>;tag=as69a61cb8.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>;tag=nmxo2ctyjt.
Call-ID: 6ddd50af6342e349350b02334f5a5871@192.168.192.1.
CSeq: 102 INVITE.
Contact: <sip:233@192.168.192.188:5060;line=fuoublp9>;flow-id=1.
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO.
Allow-Events: talk, hold, refer, call-info.
Content-Length: 0.
.

#
U 192.168.192.188:5060 -> 192.168.192.1:5060
SIP/2.0 200 Ok.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK1e8a43a4;rport=5060.
From: "233" <sip:233@192.168.192.1>;tag=as69a61cb8.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>;tag=nmxo2ctyjt.
Call-ID: 6ddd50af6342e349350b02334f5a5871@192.168.192.1.
CSeq: 102 INVITE.
Contact: <sip:233@192.168.192.188:5060;line=fuoublp9>;flow-id=1.
User-Agent: snom320/7.1.35.
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-Type: application/sdp.
Content-Length: 224.
.
v=0.
o=root 436592007 436592008 IN IP4 192.168.192.188.
s=call.
c=IN IP4 192.168.192.188.
t=0 0.
m=audio 19804 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.

#
U 192.168.192.1:5060 -> 192.168.192.188:5060
ACK sip:233@192.168.192.188:5060;line=fuoublp9 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK422053b1;rport.
From: "233" <sip:233@192.168.192.1>;tag=as69a61cb8.
To: <sip:233@192.168.192.188:5060;line=fuoublp9>;tag=nmxo2ctyjt.
Contact: <sip:233@192.168.192.1>.
Call-ID: 6ddd50af6342e349350b02334f5a5871@192.168.192.1.
CSeq: 102 ACK.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Remote-Party-ID: "233" <sip:233@192.168.192.1>;privacy=off;screen=no.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.198:5060
NOTIFY sip:220@192.168.192.198:5060;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK40845704;rport.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Contact: <sip:233@192.168.192.1>.
Call-ID: 6a34b628cfa9df4e.
CSeq: 182 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: dialog.
Content-Type: application/dialog-info+xml.
Subscription-State: active.
Content-Length: 213.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="80" state="full" entity="sip:233@domain:5060">
<dialog id="233">
<state>confirmed</state>
</dialog>
</dialog-info>

#
U 192.168.192.1:5060 -> 192.168.192.187:5060
NOTIFY sip:300@192.168.192.187:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK2e33ebb4;rport.
From: <sip:233@domain>;tag=as1dc0e514.
To: "private" <sip:300@domain>;tag=D9F0E14B-92E9A130.
Contact: <sip:233@192.168.192.1>.
Call-ID: c251c9a7-16d03ee1-1846e1ae@192.168.192.187.
CSeq: 248 NOTIFY.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Event: presence.
Content-Type: application/xpidf+xml.
Subscription-State: active.
Content-Length: 356.
.
<?xml version="1.0"?>
<!DOCTYPE presence PUBLIC "-//IETF//DTD RFCxxxx XPIDF 1.0//EN" "xpidf.dtd">
<presence>
<presentity uri="sip:300@domain;method=SUBSCRIBE" />
<atom id="233">
<address uri="sip:233@domain;user=ip" priority="0.800000">
<status status="inuse" />
<msnsubstatus substatus="onthephone" />
</address>
</atom>
</presence>

#
U 192.168.192.187:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK2e33ebb4;rport.
From: <sip:233@domain>;tag=as1dc0e514.
To: "private" <sip:300@domain>;tag=D9F0E14B-92E9A130.
CSeq: 248 NOTIFY.
Call-ID: c251c9a7-16d03ee1-1846e1ae@192.168.192.187.
Contact: <sip:300@192.168.192.187:5060>.
Event: presence.
User-Agent: PolycomSoundPointIP-SPIP_600-UA/3.1.1.0137.
Accept-Language: en.
Content-Length: 0.
.

#
U 192.168.192.198:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK40845704;rport=5060;received=192.168.192.1.
From: "" <sip:233@domain:5060>;tag=as64ca54d3.
To: "220" <sip:220@domain:5060>;tag=c9640f3b45.
Call-ID: 6a34b628cfa9df4e.
CSeq: 182 NOTIFY.
Contact: "220" <sip:220@192.168.192.198:5060;transport=udp>;+sip.instance="<urn:uuid:00000000-0000-1000-8000-00085D195DCD>".
Server: Aastra 57i/2.4.1.37.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.187:5060
OPTIONS sip:300@192.168.192.187:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK027a4d66;rport.
From: "asterisk" <sip:asterisk@192.168.192.1>;tag=as1fca6f3b.
To: <sip:300@192.168.192.187:5060>.
Contact: <sip:asterisk@192.168.192.1>.
Call-ID: 5f3a9caf1968119b5df73c1106df317f@192.168.192.1.
CSeq: 102 OPTIONS.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Date: Fri, 30 Jan 2009 01:02:58 GMT.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Content-Length: 0.
.

#
U 192.168.192.187:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK027a4d66;rport.
From: "asterisk" <sip:asterisk@192.168.192.1>;tag=as1fca6f3b.
To: <sip:300@192.168.192.187:5060>;tag=EC0A4E2F-BBAEC604.
CSeq: 102 OPTIONS.
Call-ID: 5f3a9caf1968119b5df73c1106df317f@192.168.192.1.
Contact: <sip:300@192.168.192.187:5060>.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER.
User-Agent: PolycomSoundPointIP-SPIP_600-UA/3.1.1.0137.
Accept-Language: en.
Content-Length: 0.
.

#
U 192.168.192.22:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK03753dc3;rport=5060.
From: "asterisk" <sip:asterisk@192.168.192.1>;tag=as7341e937.
To: <sip:229@192.168.192.22>;tag=1905804859.
Call-ID: 6ec33f6129df2a6e63bfdbc84fc7b97d@192.168.192.1.
CSeq: 102 OPTIONS.
Accept: application/sdp.
Content-Length: 0.
.

#
U 192.168.192.1:5060 -> 192.168.192.36:5060
OPTIONS sip:222@192.168.192.36 SIP/2.0.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK4ba2e3b3;rport.
From: "asterisk" <sip:asterisk@192.168.192.1>;tag=as0468779b.
To: <sip:222@192.168.192.36>.
Contact: <sip:asterisk@192.168.192.1>.
Call-ID: 1605f0cc7ef79c504b5e1e4416e7cee7@192.168.192.1.
CSeq: 102 OPTIONS.
User-Agent: Asterisk PBX (ScopServ).
Max-Forwards: 70.
Date: Fri, 30 Jan 2009 01:03:00 GMT.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.
Content-Length: 0.
.

#
U 192.168.192.36:5060 -> 192.168.192.1:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 192.168.192.1:5060;branch=z9hG4bK4ba2e3b3;rport=5060.
From: "asterisk" <sip:asterisk@192.168.192.1>;tag=as0468779b.
To: <sip:222@192.168.192.36>;tag=1637588211.
Call-ID: 1605f0cc7ef79c504b5e1e4416e7cee7@192.168.192.1.
CSeq: 102 OPTIONS.
Accept: application/sdp.
Content-Length: 0.
.

exit
173 received, 0 dropped
[root@sip ~]#