[asterisk-dev] Integration with legacy systems ...

[Kevin P. Fleming]

Mauro Sergio Ferreira Brasil wrote:

> Which is the better choice when talking about call setup interception ?
> For example: 1- We will need to request autentication and validate it on
> our legacy backend, so we need to intercept SIP/REGISTER; 2- On the same
> way, any outgoing INVITE will need to be handled in order to validate if
> the user have autorization to call another internal number, or enough
> credit to establish outgoing calls.

That really sounds like a job for OpenSER/OpenSIPS/Kamailio/etc., which
are SIP proxies you can put in between existing systems and add your own
logic to manipulate requests and responses. While you could do that with
Asterisk, it's much harder and won't be very transparent.

-- 
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
skype: kpfleming | jabber: kpfleming at digium.com
Check us out at www.digium.com & www.asterisk.org