[Freeswitch-users] Need help on a calling card service

[Anton VG]

I do that in my billing.

2011/5/13 Alfred Stainer <alfred.stainer at gmail.com>:
> Hi all, we are developing a calling card service based on Freeswitch and we
> have the necessity to implement the following features but we have not found
> a way to do that:
> we want that the first 10 seconds of the call are free of charge for the
> caller.
> This is not only a billing issue because most of our customers don't call a
> free number so we want that the connect to the caller is sent only after 10
> seconds we receive the connect from called.
> We bridge the inbound leg with the outbound leg but we are not capable to
> delay the propagation of the connect.
> The perfect solution will be that when we receive the connect from outgoing
> leg we send the preanswer on incoming leg and 10 second after that we send
> the connect.
> There is a way to do that? Any advice?
> Alfred
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