[Users] Authentication in Trunk-Mode

[Bogdan-Andrei Iancu]

Hi Martin,

Klaus Darilion wrote:

> Martin Klisch wrote:
>
>>> I think Asterisk supports all of them except TLS.
>>>
>>> btw: if you use IP based authentication do not use UDP (as it can be
>>> spoofed easily)
>>
>>
>> That's my problem. We want to use standard SIP trunk (via UDP) to 
>> connect
>> different PBX's and other carriers. So we cant use something, that isnt
>> rfc conform. at the moment we put a cisco router in front of a pbx and
>> build a tunnel to our ser. this is an expensive solution. anyone knows
>> other ways to do it?
>
>
>
> Who authenticates who? Does the PBX authenticate or does openser 
> authenticate?
>
>
if I understand correctly the PBX has to authenticate to OpenSER ,right? 
if so, digest authentication will not be a problem.

regards,
bogdan