[asterisk-users] Asterisk and cellphone/GSM voicemailbox

jonas kellens jonas.kellens at telenet.be
Wed Mar 3 09:24:00 CST 2010


On Tue, 2010-03-02 at 14:42 -0500, Fred Posner wrote:

> On Mar 2, 2010, at 2:37 PM, jonas kellens wrote:
> > Does Asterisk know when it hits a voicemailbox ?
> > When calling to a cell-phone or GSM, after some rings and no pickup you arrive at a voicemailbox.
> > If Asterisk does not know it's a voicemailbox that has answered the call, the voicemailbox will contain 60minutes of 'silence'. This is very expensive 'silence'.
> > How to avoid this ?
> > Jonas
> 
> You can avoid this is several ways... one of the ways I like best is to dial with a macro that then requires the recipient to press 1 or some dtmf confirmation to accept the call. Very good at avoiding voicemail, cell phone service messages, etc.


Have you a link to documentation on how to implement this ? I wonder
what to do with, and how to connect the caller with the callee, until
this callee presses '1'...

Jonas.
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