Richard Soderblom wrote:
Hi.
Has anyone had any success in implementing a callback or ringback
function in Asterisk?
I've had a look at the callback-voicemail example on voip-info.org
http://www.voip-info.org/wiki/view/Asterisk+tips+callback
However it won't quite work for me.
I need it for local SIP users which most of them don't have voicemail.
If one SIP user calls another SIP user and the second user is busy or
unavailable then Asterisk should inform the first user that the number
they dialed is busy and hangup the call.
Once the second caller is available again then Asterisk should initiate
a call back to both the users and connect them.
Any ideas on how to achieve this will be appreciated.
Richard,
That shouldn't be too difficult to do. I recently wrote an agi binary
that does nag calling for me which I think is related to what you want
to do except that I am doing more calling out of the system. Maybe
deadagi could work?
Here is it's use in a AEL macro I'm working on:
http://www.datatrakpos.com/pos/datatalk/images/nagcall.htm
The AGI (nagcall) simply takes some parameters and uses them to create a
.call file. See:
http://www.voip-info.org/tiki-index.php?page=Asterisk+auto-dial+out
There is even an example on the page above that shows using the linux
"touch" command to schedule the call to take place at a later time,
although I have not successfully done this yet...still trying.
The biggest difference is that you will need a way to monitor the called
extension to trigger a call back to the original caller using maybe
deadagi or .call files?
http://www.voip-info.org/wiki/index.php?page=Asterisk+manager+API
I'm pretty new to asterisk myself so there may be (probably are) other
ways to do this, but this is where I would start poking around.
--
Warm Regards,
Lee
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