Snom ONE IP Technical Manual page 179

Deploying the snom ONE IP Telephone System
510
To: <sip:41@pbx.company.com;user=phone>
Call-ID: 3c2812339279-zvojwzvof6we
CSeq: 1 INVITE
Max-Forwards: 70
Contact: <sip:40@192.168.0.32:2061;transport=tls;line=i339wes
g>;reg-id=1
P-Key-Flags: resolution="31x13", keys="4"
User-Agent: snom360/7.3.14
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUB-
SCRIBE, PRACK, MESSAGE, INFO
Content-Length: 452
SIP/2.0 100 Trying
Via: SIP/2.0/TLS 192.168.0.32:2061;branch=z9hG4bK-
9gohvng3wzak;rport=2061
From: "Roland Wright" <sip:40@pbx.company.com>;tag=g5ua0i7fz6
To: <sip:41@pbx.company.com;user=phone>;tag=eed7a3b4e0
Call-ID: 3c2812339279-zvojwzvof6we
CSeq: 1 INVITE
Content-Length: 0
SIP/2.0 180 Ringing
Via: SIP/2.0/TLS 192.168.0.34:5061;branch=z9hG4bK-
e299f160c512cb066a3a536253aa4d44;rport=5061
From: "Roland Wright" <sip:40@pbx.company.com>;tag=1521860827
To: "Rachel Reed" <sip:41@pbx.company.com>;tag=ozac09qwnh
Call-ID: f6f17567@pbx
CSeq: 28592 INVITE
Contact: <sip:41@192.168.0.31:1037;transport=tls;line=zs4m8le
i>;reg-id=1
Require: 100rel
RSeq: 1
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUB-
SCRIBE, PRACK, MESSAGE, INFO
Allow-Events: talk, hold, refer, call-info
Content-Length: 0
[7] 2010/04/14 16:10:31: SIP Rx tls:192.168.0.31:1037:
SIP/2.0 200 Ok
Via: SIP/2.0/TLS 192.168.0.34:5061;branch=z9hG4bK-
08d0f56ed1e8d82deb32779c5a2cc55b;rport=5061