[OpenSIPS-Users] Async Event route_replies

[DanB]

Hi Bogdan,

I cannot claim IPR of the idea since we are using it already inside 
CGRateS with another proxy so it was not invented by us :).

The process should be something like: when OpenSIPS sends out an event 
over a connection, it should be also possible to receive data (answer or 
not) over these connections.
OpenSIPS should make the events received (replies or not, depending on 
the script admin to identify them) somehow available in some script 
routes where we can pick up parked transactions (sharing the ids via the 
replied events).

We use such scenario for call authorization inside billing (send 
call_auth to billing engine and receive maximum duration for it). 
Processing the answer is done in the script and whole thing would happen 
asynchronously, hence not anymore depending on the time it takes for 
billing to process the request.

Another usage would be for dialog kill when the funds available for the 
calls are emptied on billing side. The same event_route will receive the 
disconnect request from billing side, will identify there the dialog and 
kill it.

If this two way communication would be not suitable for events 
infrastructure which you have already developed, would it be possible to 
"wake up" the transaction over MI and send it to a script route plus 
setting some avps for it maybe?

Thanks for your thoughts on this!
DanB

On 27.01.2015 18:07, Bogdan-Andrei Iancu wrote:
> Hi Dan,
>
> Could you detail a bit more your idea ? I'm not sure I get the whole 
> concept.
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
>
> On 27.01.2015 13:38, DanB wrote:
>> Hey Guys,
>>
>> Now that async script routes is an actual subject, I was wondering if 
>> you are considering event replies in script routes (eg: have a 
>> dedicated event_reply route where we can pick up a specific 
>> transaction parked and continue processing it).
>> A particular applicability is 2 way communication with an external 
>> application like billing engine.
>>
>> Thanks in advance!
>> DanB
>>
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>