<--- Transmitting SIP request (600 bytes) to UDP:195.185.37.60:5060 --->
REGISTER sip:ipv6.sip.easybell.de SIP/2.0
v: SIP/2.0/UDP [2a00:x:x:x::1]:5060;rport;branch=z9hG4bKPj8b64d24a-2eb8-446f-b6a5-9ed25c83076f
f: <sip:12345@ipv6.sip.easybell.de>;tag=3be6afdc-068f-4be3-a8ca-606befaacd7d
t: <sip:12345@ipv6.sip.easybell.de>
i: af154563-6f92-4d1c-b7cd-2c486da2cf71
CSeq: 50366 REGISTER
m: <sip:12345@[2a00:x:x:x::1]:5060;line=yehihpa>
Expires: 180
Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REGISTER, MESSAGE, REFER
Max-Forwards: 70
User-Agent: Asterisk
l:  0