[asterisk-users] Split incoming call volume across queues on several asterisk servers

[Alex Balashov]

Asterisk is not a SIP proxy.  You would have to use another piece of 
software, such as Kamailio/OpenSIPS (formerly OpenSER).

Haider Raza wrote:
>  
> I guess what I want to ask is...how do I setup a proxy? In a 
> nutshell...how are calls transfered or handed off to other asterisk 
> servers leaving the originating server free from all call handling once 
> the transfer is done. What dialplan command would do that? Do I setup a 
> trunk and then Dial the call to the trunk? Maybe write an agi script to 
> connect to manager interfaces on the different asterisk servers to see 
> who has a spot free on their queue and then transfer on a trunk.
>  
> I guess what I am not clear on is, are IAX trunks between asterisk 
> servers what I need to accomplish this (Using a proxy or daisy chained 
> asterisk servers)?
> 
> -- 
> Dr. Haider Raza
> BM 5203
> 3508 North West 114 Av.
> Doral, Florida 33178
> 
> Mobile    +(809)-659-0623
> 
> On Fri, Sep 26, 2008 at 11:36 PM, Alex Balashov 
> <abalashov at evaristesys.com <mailto:abalashov at evaristesys.com>> wrote:
> 
>     Proxies do not handle media, so, one can definitely handle 300
>     simultaneous calls.
> 
>     Haider Raza wrote:
> 
>         But will this allow the proxy to handle a load of 300
>         simultaneous calls? I mean will the calls be sent off to other
>         asterisk servers and the proxy be left load-free to route new calls?
> 
>         -- 
>         Dr. Haider Raza
>         BM 5203
>         3508 North West 114 Av.
>         Doral, Florida 33178
> 
>         Mobile    +(809)-659-0623
> 
>         On Fri, Sep 26, 2008 at 10:37 PM, Alex Balashov
>         <abalashov at evaristesys.com <mailto:abalashov at evaristesys.com>
>         <mailto:abalashov at evaristesys.com
>         <mailto:abalashov at evaristesys.com>>> wrote:
> 
>            You can set up a proxy to round-robin/load-balance the incoming
>            calls across three servers.
> 
>            If you need to do this with a view to queue utilisation, an
>         outside
>            process can be set up to mediate this via the Manager API and
>            provide this information to the proxy process in real time.
> 
>            A proxy can also be set up to roll calls over to another Asterisk
>            server if that server returns an error status code because
>         all the
>            agents are unavailable, such as 486 Busy or temporarily
>         unavailable.
> 
>            You can, also, of course, do this in the Asterisk dial plan
>         itself -
>            fiddle with the timeout values on the Queue() app.  However,
>         in this
>            paradigm, the first Asterisk box is going to have to
>         cross-connect
>            the call to others in the series, in a daisy chain.  But if
>         you can
>            avoid media handling in such scenarios (i.e. use re-INVITEs),
>         that
>            shouldn't be too bad.
> 
>            Haider Raza wrote:
> 
>                Hi,
>                    I was wondering if there is anyway to split, say, 300
>         calls
>                that come in from the SIP provider across 10 asterisk servers
>                with 30 agents each, without having the telco do the
>         splitting.
>                Is there any way to do call distribution, e.g. we send an
>                incoming call to a similar queue on the next asterisk
>         server if
>                all agents on the first asterisk server are busy and the
>         queue
>                already has a certain number of calls in it?
> 
>                Thanks,
>                --        Dr. Haider Raza
> 
> 
>              
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> 
>            --    Alex Balashov
>            Evariste Systems
>            Web    : http://www.evaristesys.com/
>            Tel    : (+1) (678) 954-0670
>            Direct : (+1) (678) 954-0671
>            Mobile : (+1) (706) 338-8599
> 
> 
> 
> 
> 
> 
>     -- 
>     Alex Balashov
>     Evariste Systems
>     Web    : http://www.evaristesys.com/
>     Tel    : (+1) (678) 954-0670
>     Direct : (+1) (678) 954-0671
>     Mobile : (+1) (706) 338-8599
> 
> 
> 
> 


-- 
Alex Balashov
Evariste Systems
Web    : http://www.evaristesys.com/
Tel    : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
Mobile : (+1) (706) 338-8599