asterisk users - Jan 2010 - is roundrobin and rrmemory the same meaning?

Dear all,

I can't understand the diff between roundrobin and rrmemory strategy.
Could you explain for me ?

and is roundrobin means each available interface ring once or several
times and ring another?

; A strategy may be specified.  Valid strategies include:
;
; ringall - ring all available channels until one answers (default)
; roundrobin - take turns ringing each available interface
; leastrecent - ring interface which was least recently called by this queue
; fewestcalls - ring the one with fewest completed calls from this queue
; random - ring random interface
; rrmemory - round robin with memory, remember where we left off last ring pass
;
;strategy = ringall


Thanks!
-- 
Best regards,
Sucan

In article <a160a7d61001111926h6d2e6f88m64175b92cfcc2b3a at
mail.gmail.com>,
Zhang Shukun <bitzsk at gmail.com> wrote:
> Dear all,
> 
> I can't understand the diff between roundrobin and rrmemory strategy.
> Could you explain for me ?
> 
> and is roundrobin means each available interface ring once or several
> times and ring another?
> 
> ; A strategy may be specified.  Valid strategies include:
> ;
> ; ringall - ring all available channels until one answers (default)
> ; roundrobin - take turns ringing each available interface
> ; leastrecent - ring interface which was least recently called by this
queue
> ; fewestcalls - ring the one with fewest completed calls from this queue
> ; random - ring random interface
> ; rrmemory - round robin with memory, remember where we left off last ring
pass
> ;
> ;strategy = ringall
Both roundrobin and rrmemory will ring phones one at a time, for the
length of time given in "timeout", and then if not answered will move
along to the next phone and ring it.

Let's say you have three of more phones in the queue. Phone 1 gets rung
but not answered, then Phone 2 gets rung and is answered. When another
call comes in, roundrobin would start again with Phone 1, but rrmemory
would start with Phone 3, as it was Phone 2 that picked up the last call.

Hope this helps,
Tony
-- 
Tony Mountifield
Work: tony at softins.co.uk - http://www.softins.co.uk
Play: tony at mountifield.org - http://tony.mountifield.org

On Tue, 2010-01-12 at 11:26 +0800, Zhang Shukun wrote:
> Dear all,
> 
> I can't understand the diff between roundrobin and rrmemory strategy.
> Could you explain for me ?
> 
> and is roundrobin means each available interface ring once or several
> times and ring another?
roundrobin is deprecated in 1.4 and you probably shouldn't use it, but 
rrmemory is probably what you want, trying each extension in order, 
but continuing the position in the queue where it left off for
subsequent calls.

roundrobin always starts at the top of the queue and works along

rrmemory remembers which queue member was tried last, and continues for
subsequent calls from where it left off, rather than starting again from
the top of the queue.

In 1.6, the old "roundrobin" behaviour (or equivalent) is renamed
"linear" and "rrmemory" is renamed "roundrobin"

If you want to add some dialplan actions for queue members, have a look
at PauseQueueMember and UnpauseQueueMember which allows for queue
members to be 'in' and 'out' of the group (although if using
Agents then
you will probably want to implement agents logging in and out), but you
could replace agents with dynamic queues and program buttons on the
phones which dial codes to pause and unpause the queue member.


Rob