[Blink] Config problems with 1&1 SIP provider

"Robert M. Münch" robert.muench at robertmuench.de
Sun Feb 27 19:58:37 CET 2011

Am 27.02.2011 um 17:10 schrieb Adrian Georgescu:

> It first glance, it looks like the SIP server of 1und1 is not able to perform NAT traversal for their SIP customers behind NAT. Most likely they expect the SIP clients to either use STUN or a SIP ALG in their border router to solve the NAT traversal.

I have STUN information for their service. Do I need to configure Blink to use it? Where can I do this?

> Both these techniques are poor and unreliable, 1und1 should have a properly configured SIP server instead and fix the NAT traversal for their clients automatically.

I will post them :-)


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