Jetzt gabs auf einmal einen Einwahlversuch:
-------------------------------------------
10:19:12,189: T: 54.217.253.146:5060 (UDP)
REGISTER sip:tel.t-online.de SIP/2.0
Via: SIP/2.0/UDP 87.***.***.**:34124;branch=z9hG4bK003037c5167bef11a8d49ffdc0d3f3f0;rport
From: <sip:+49***********@tel.t-online.de>;tag=2657357557
To: <sip:+49**********@tel.t-online.de>
Call-ID:
003037C5-167B-EF11-A8D2-9FFDC0D3F3F0@87*.*.**.55
CSeq: 1 REGISTER
Contact: <sip:+49******@87.***.***.**:34124>;+sip.instance="<urn:uuid:80DBD5B2-AF7A-EF11-A79F-2D2A173D6F78>"
Allow: INVITE, ACK, BYE, CANCEL, MESSAGE, NOTIFY, OPTIONS, REFER, UPDATE, PRACK
Max-Forwards: 70
Allow-Events: org.3gpp.nwinitdereg
User-Agent: PhonerLite/3.26
Supported: replaces, from-change
Require: mediasec
Proxy-Require: mediasec
Security-Client: sdes-srtp;mediasec
Expires: 600
Content-Length: 0
-------------------------------------------
10:19:30,581: T: 217.0.11.225:3478
STUN Binding Request
-------------------------------------------
10:19:30,601: R: 217.0.11.225:3478
STUN Binding Response
mapped address: 87.***.***.**:56249