[asterisk-dev] Queue and analog PBX

[Senad Jordanovic]

Faruk Kasumovic wrote:
> I'm trying to do following:
> 
> I want to link asterisk queue with analog PBX in fashion that all
> incoming calls will be transfered from queue using flash/recall so
> zaptel channel is free after that. And I made it, but what if number
> I flush to is busy, how can I detect it before confirming transfer.  
> I can read from channel but can't see if it is busy signal. If I
> could detect busy tone then I can recall it to queue and wait, then
> try again.  
> I try to read frames and check progress state frm->subclass it in
> first frame read 4 as answered, then 0, whats probably wrong way. 
> Any ideas ? Thanks.
> 
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Faruk...

If I am understanding this correctly above setup is :
Legacy PBX extension is an asterisk trunk?

What make/model is legacy PBX?


Senad