│REGISTER sip:sip.alice-voip.de SIP/2.0 93.135.15.88:51340 62.52.19.67:5060 │Via: SIP/2.0/UDP 10.10.10.8:5060;branch=z9hG4bK916b8ab5ca4eab17bdcf79a9fc75797e;rport ──────────┬───────── ──────────┬─────────│From: "49123456789" ;tag=2308572905 01:14:56.402330 │ REGISTER │ │To: "49123456789" +0.103930 │ ──────────────────────────> │ │Call-ID: 3935941274@10_10_10_8 01:14:56.506260 │ 423 Interval Too Brief │ │CSeq: 1 REGISTER +0.031146 │ <────────────────────────── │ │Contact: 01:14:56.537406 │ REGISTER │ │Max-Forwards: 70 +0.248430 │ ──────────────────────────> │ │User-Agent: E630A GO/42.262.00.000.000 01:14:56.785836 │ 401 Unauthorized │ │Expires: 180 +0.031639 │ <────────────────────────── │ │Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, SUBSCRIBE, NOTIFY, REFER, UPDATE 01:14:56.817475 │ REGISTER │ │Content-Length: 0 +0.093368 │ ──────────────────────────> │ │ 01:14:56.910843 │ 403 Forbidden │ │ │ <────────────────────────── │ │