[Freeswitch-users] Integrating mod_callcenter with mobile app

David Villasmil david.villasmil.work at gmail.com
Sat Oct 19 00:18:49 UTC 2019

I’d recommend kamailio/OpenSIPS for this, many of us have done this but
you’d need something like kamailio/OpenSIPS to achieve this. The gist is
when a call needs to be sent to that user, you’d put that call “on hold”
while sending the push to the called number. The app would get the push and

When the called user registers then you’d deliver the call to the user.
You’d need transaction, etc for this to work. I didn’t think this is
feasible with FS. Maybe it is, but I’ve never heard of it



On Fri, 18 Oct 2019 at 20:22, Alejandro Recarey <ar at cyberfonica.com> wrote:

> Hi all, thanks for taking the time to read this post.
> We are trying to integrate mod_callcenter with our mobile app. However,
> phone apps are put on pause when the phone is locked. This means that
> mod_callcenter will try the user agent, and find it is not registered, and
> immediately pass to the next agent.
> The correct way to get a mobile app to receive an inbound VoIP call is to
> send a push notification, and then the app will re-register, and the
> Freeswitch will need to dial the agent again.
> Ideally, mod_callcenter could send an event whenever it is trying an
> agent, which would allow us send a push notification if the agent dialled
> is on a mobile_app. mod_callcenter would also need to wait for the agent to
> reregister to send the call to that agent again.
> I have not found a way to do this with mod_callcenter. Is there a way to
> do this? Or is this sort of functionality ousourced to another server by
> placing something like kamailio between the FS server and the user?
> Thanks for the help,
> Alex
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David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337
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