[Freeswitch-users] False Answer Supervision (FAS) - Question

[Alfredo Quiroga-Villamil]

Thanks Michael. Indeed, OpenSips has exactly what I need in this case.

Appreciate the response.

Alfredo

On Mon, Apr 12, 2010 at 7:48 PM, Michael Collins <msc at freeswitch.org> wrote:
>
>
> 2010/4/12 Alfredo Quiroga-Villamil <lawwton at gmail.com>
>>
>> Thanks for the response Vlasis. We run statistical analysis for FAS in
>> our production routes.
>>
>> This request would be for a controlled environment where I am using
>> GrandStreams 488 to convert from Voip to PSTN. I was thinking that
>> perhaps FS has a way to allow me somehow access to the Signaling
>> portion of the protocol. If that was the case, I would be able to hack
>> my way around it and perhaps ignore the first 200 I receive and not
>> propagate it to the origination gateway. This is the setup I am
>> looking at:
>>
>> A => B => GrandStream Device => PSTN
>>
>>   SIP   SIP
>>
>> A/B - Both Gateways
>>
>> This is a test environment I am using, something I am just playing
>> with. So in every case I will receive a FAS from the GrandStream
>> device.
>>
>> Do you know if there is a way to launch an application from the
>> DialPlan and have access to intercept Signaling; something that would
>> allow me to see the messages coming in and make decisions based on
>> them like propagate or do not propagate that message. I know this is a
>> tough thing since I am literally asking for access to the SIP Stack.
>
> I think those last two sentences describe a natural feature of a SIP proxy.
> I'd check out OpenSIPS to see if it has the stack-level control and
> functionality that you need.
> -MC
>
>
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