asterisk users - Feb 2009 - Not answering call when queue is full or has no members

Hello all,


I'm trying to prevent answering a channel when a queue is either full or has
no members. It seems I'm forced to answer a call before I call Queue() or 
else the audio is in the early media (which is unacceptable because of the 
short duration of early media on ISDN).

Is there any way to let Queue() automatically answer a channel if the call is 
going to be placed in the queue and will still be unanswered when the 
QUEUESTATUS is any of FULL, JOINEMPTY, or JOINUNAVAIL?


-- 
Greetings,

Alex Hermann

You can know if the queue is full before issuing the answer() or the queue()
command, so you can avoid answering at all.

l.


2009/2/19 Alex Hermann <alex at speakup.nl>
> Hello all,
>
>
> I'm trying to prevent answering a channel when a queue is either full
or
> has
> no members. It seems I'm forced to answer a call before I call Queue()
or
> else the audio is in the early media (which is unacceptable because of the
> short duration of early media on ISDN).
>
> Is there any way to let Queue() automatically answer a channel if the call
> is
> going to be placed in the queue and will still be unanswered when the
> QUEUESTATUS is any of FULL, JOINEMPTY, or JOINUNAVAIL?
>
>
> --
> Greetings,
>
> Alex Hermann
>
>
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-- 
Loway - home of QueueMetrics - http://queuemetrics.com
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Alex Hermann schrieb:
> I'm trying to prevent answering a channel when a queue is either full
or has
> no members. It seems I'm forced to answer a call before I call Queue()
or
> else the audio is in the early media (which is unacceptable because of the 
> short duration of early media on ISDN).
> 
> Is there any way to let Queue() automatically answer a channel if the call
is
> going to be placed in the queue and will still be unanswered when the 
> QUEUESTATUS is any of FULL, JOINEMPTY, or JOINUNAVAIL?
In Asterisk 1.6 that would be:

Set(free=${QUEUE_MEMBER(support,free)});
if (${free} > 0) {
	Answer();
	Queue(support);
}
else {
	Voicemail();  // or Busy() | ...
}

However that's not atomic so there might be a race condition.

In Asterisk 1.4 you need an AGI script I guess.


    Philipp Kempgen
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