[asterisk-users] Zero length queue

Wes Baehr wbaehr at abilitybusiness.com
Tue Sep 5 07:48:53 MST 2006

I wrote a little patch to app_queue.c so that the function QUEUEAGENTCOUNT
will only return members that are not busy.

My dialplan goes something like this (in AEL):

                if (${QACFREE} > 0) Queue(abc|trnd|||20);

So if there are free agents, it will join the queue, otherwise, it can do
something else. Contact me off-list if you're interested.

Wes Baehr

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Artifex Maximus
> Sent: Tuesday, September 05, 2006 9:56 AM
> To: asterisk-users at lists.digium.com
> Subject: [asterisk-users] Zero length queue
> Hi,
> I have the following problem.
> I need queue because of dynamic agents but I only want service as many
> callers as available members are and want zero length waiting queue.
> For example. I have two queues (q1,q2) and I use AddQueueMembers and
> RemoveQueueMembers for maintain queue members.
> exten => login,1,AddQueueMembers(q1)
> exten => login,n,AddQueueMembers(q2)
> exten => logout,1,RemoveQueueMembers(q1)
> exten => logout,n,RemoveQueueMembers(q2)
> I look for a solution that make possible if my three agents are logged
> in and a fouth caller come we give a message that 'all agents are
> busy. call later' and hangup. No waiting callers in queue just as many
> calls as many agents. So if Asterisk "see" this:
> x*CLI> show queue q1
>    Members:
>       Zap/15 (dynamic) (Busy) has taken 2 calls (last was 126 secs ago)
>       Zap/14 (dynamic) (Busy) has taken 2 calls (last was 739 secs ago)
>       Zap/17 (dynamic) (Busy) has taken 3 calls (last was 341 secs ago)
>       Zap/13 (dynamic) (Busy) has taken 7 calls (last was 156 secs ago)
> then don't put the next caller in queue but skip Queue(q1) over. Same
> as with maxlen > 0 but with maxlen = 0. The maxlen parameter for
> queues is exactly what I want but 0 is meaning unlimited in that
> context so no luck.
> I have tried with joinempty = no and joinempty = strict but doesn't work.
> Any idea?
> bye,
> Zsolt
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