On 10:35, Fri 04 Apr 08, Tony Mountifield wrote:
> Has anyone here implemented "Ring back when free" in Asterisk?
> 
> The way it works in the UK is as follows:
> 
> 1. A calls B. B is engaged (busy).
> 2. A hears "The number you called is busy. To use ringback, press 5"
> 3. A presses 5, and hears "Your ringback request has been accepted".
> 4. A hangs up.
> 5. Later, B hangs up. The system then calls A (if A is now busy, it
>    waits until A is clear again).
> 6. If/when A answers, the system calls B on A's behalf and A hears ringing.
> 
> Any implementation has to cater for the fact that when B is busy, he
> could be either the calling or the called party on his current call.
> If he is the calling party, he will execute 'h' when he clears, but
> if he is the called party, he won't be in the dialplan to execute 'h',
> so we need some other way to invoke the ringback (step 5).
> 
> Thoughts?

Have a look at this:
http://bugs.digium.com/view.php?id=10689

-- 

Michiel van Baak
[EMAIL PROTECTED]
http://michiel.vanbaak.eu
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"Why is it drug addicts and computer aficionados are both called users?"


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