Hi Andrew,
There are ways to delay the 200 OK, but it is an ugly approach - simply
use sleep() function in onreply route, but I strongly recommend not to
do it as it has a huge penalty in performance.
What I rather suggest is to use the new B2B support in opensips - you
just have to create your own XML scenario to describe the case you have:
http://www.opensips.org/Resources/B2buaTutorial
Regards,
Bogdan
Andrew Pogrebennyk wrote:
> Hi,
>
> I am looking for the ability to send media backward before a call is
> established, allowing the remote side to send some DTMF before a call is
> established. For that purpose, is it possible to delay 200 OK on
> OpenSIPS for a pre-configured interval?
>
> So far I have considered the b2bua module, embedding the execution of
> Perl function with perl.so and some alternatives like SEMS and its
> ann_b2b application from iptel or sippy b2bua but found nothing that
> allow me do this without extra considerable development effort.
>
> Sure it would be better and more correct to implement this logic on the
> remote side, but for some reason this is not an option. Any ideas?
>
>
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