SIP/2.0 403 Forbidden
Via: SIP/2.0/TLS 192.168.0.25:41076;alias;branch=z9hG4bK.m-SPAXXd3;rport=41076;received=78.220.48.77
From: <sip:smorlat2@siptest.linphone.org>;tag=HW3X1aviU
To: <sip:smorlat2@siptest.linphone.org:5060>;tag=yDXec8ej8Hrea
Call-ID: s69J2OQ4h4
CSeq: 21 REGISTER
Server: Flexisip/0.8.0 (sofia-sip-nta/2.0)
Custom-header: some-value
Content-Length: 0

