[OpenSIPS-Users] Restrict Simultaneous-Use

[Bogdan-Andrei Iancu]

Iñaki Baz Castillo wrote:
> 2009/3/5 Bogdan-Andrei Iancu <bogdan at voice-system.ro>:
>   
>> Hi Inaki,
>>
>> This is an old, hot topic.
>>
>> There are many services that are more appropriate via a B2BUA  (like acc,
>> dialog stuff, security, etc) - last time the discussion started from the
>> question if a proxy is the best place to do accounting.
>>
>> In all the case is about compromising - how much you are willing to lose.
>> You may loose time/resources to build and implement a platform were there is
>> no way for bad thinks to happen (you deal with all corner cases) - and you
>> end up with a huge platform, very complex, difficult to maintain, expensive
>> to run, etc .
>>
>> Or you can loose some corner cases and build a simpler and more efficient
>> platform.
>>     
>
> Yes Bogdan, also the approach described in the wiki is really
> appropiate and valid when the caller or callee is a PSTN gateway which
> sends a BYE if RTP is lost.
>
> But as always, pure "Internet" calls (between users) are really
> difficult to monitorize and control by a proxy.
>   

I agree on this. But this is SIP - from signalling level only you do not 
have information about the call status (during the call).

Regards,
Bogdan