NTP
protocolversion: 3
stratum: 0
leap: 3
precision: 0
rootdelay: 0.0
rootdisp: 0.0
refid: 1380013125
reftime: 0.0
poll: 3

IncrediblePBX-15.0.37.1(16.0)

SIP/2.0 200 OK
Via: SIP/2.0/UDP nm;branch=foo;received=224.21.150.158;rport=26810
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=as636a678a
Call-ID: 50000
CSeq: 42 OPTIONS
Server: IncrediblePBX-15.0.37.1(16.0)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
Contact: <sip:167.172.26.133:5060>
Accept: application/sdp
Content-Length: 0