[Users] limiting number of calls

[Bogdan-Andrei Iancu]

Edson,

as the dialog module *just* keeps the dialog state based on external 
triggers (received messages for the moment), I was thinking that in the 
future the module may use as trigger information from rtpproxy regarding 
the RTP stream; it will be able to detect dialog termination based on 
RTP stream even if the BYE is missing.....
that's just a thought of mine on the topic....

regards,
bogdan

Edson wrote:

> Just consider the scenario where some connections/calls has no BYE 
> (say because one of the UA fails, etc). This scenario illustrates the 
> miscount opportunity. This can be avoided only if You count the RTP 
> streams on a RTPProxy configuration. In the case of such a UA fail, 
> the sessions runs on a time-out and after that the counter would be 
> ‘automagically’ decremented, but in the meantime the user could not 
> receive calls, even if it is ‘on-hook’.
>
> Edson.
>
> ------------------------------------------------------------------------
>
> *From:* users-bounces at openser.org [mailto:users-bounces at openser.org] 
> *On Behalf Of *Jayesh Nambiar
> *Sent:* terça-feira, 9 de maio de 2006 16:38
> *To:* Bogdan-Andrei Iancu
> *Cc:* openser
> *Subject:* Re: [Users] limiting number of calls
>
> Hi bogdan,
>
> Thanks for the reply...
>
> My requirement is as follows:
>
> - I want to limit the number of incoming calls per user can receive.
>
> - I think, it is possible using the avpops module. But can someone 
> please give me a hint on where to start to implement this.
>
> - Now since the dialogue module is out, I dont think there wud be a 
> problem of missing byes as it will terminate the session after a 
> certain timeout.
>
> - Is it possible in openser script to somehow set a counter.
>
> - for eg. the counter will be set to 2 when any user receives a call 
> and it will be decremented when the same user receives a call again, 
> and when the count for that user is 0, he will receive no more calls.
>
> - This counter has to be enabled on a per user basis.
>
> - Please let me know if this is possible.
>
> - I need to achieve this because otherwise any user can have an 8 port 
> or 24 port gateway registered with my openser and receive so many 
> calls at the same time. I want to avoid this happening.
>
> thanks in advance......
>
> jayesh.
>
>
> */Bogdan-Andrei Iancu <bogdan at voice-system.ro>/* wrote:
>
>     Hi,
>
>     the dialog module functionality is yet simple - it can monitor the
>     call
>     (catching BYEs and other sequential requests); if no BYE is received,
>     the dialog will expire after a defined timeout.
>
>     it can count the number of calls, but globally and not per user.
>
>     regards,
>     bogdan
>
>     Jayesh Nambiar wrote:
>
>> Hi,
>> how can the dialog module help prevent the issue of missing
>     BYEs?? Is
>> dialog module capable of monitoring the sessions going on in openser.
>> I also wanted to ask that if i try limiting the no. of calls that
>     per
>> user can receicve how do i match the invite with the byes.
>> for eg: I may allow some users to have 5 incoming calls and other 2
>> and so on. So, I'll have to store that value in the DB table
>> somewhere, and when a user receives a call, this column will be
>> checked and the value should be decremented when he receives the
>> invite message.
>> But how do i again increment the value, when the user receives
>     bye. I
>> mean how do i write the logic to match the invite and byes so as to
>> increment and decrement the simultaneous calls value.
>>
>> please help me regarding this....
>>
>> thanks in advance.
>>
>> jayesh.
>>
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