NOTIFY sip:3063@192.168.32.84:5060;transport=udp SIP/2.0
Via: SIP/2.0/UDP 192.168.32.1:5060;branch=z9hG4bK564e8ef9;rport
From: "OptimTalk" <sip:sip@vutbr.cz>;tag=as26fac9b5
To: <sip:3063@192.168.32.84:5060>;tag=e26e0d2cf0083ae
Contact: <sip:sip@192.168.32.1>
Call-ID: 201d66817a4b0265062a611560fbdf99@vutbr.cz
CSeq: 103 NOTIFY
User-Agent: Asterisk PBX
Max-Forwards: 70
Event: refer;id=1454146061
Subscription-state: terminated;reason=noresource
Content-Type: message/sipfrag;version=2.0
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Content-Length: 16

SIP/2.0 200 OK