[asterisk-users] SIP Load Balancing

[Tim King]

Its not so much me load balancing but the carrier requires that every other
call I send goes to the other address..

On Thu, Oct 28, 2010 at 2:36 PM, Barry Miller <asterisk-users at notanet.net>wrote:

> On Thu, Oct 28, 2010 at 11:08:12AM -0400, Tim King wrote:
> > I have a very simple setup with two SIP routes to my carrier. I need to
> have
> > every other phone call placed to that carrier go to a different address.
> >
> > This is what I need the call flow to look like. I have spent many hours
> > searching and have not found a working example.
> > Call1  exten => NXXNXXXXX,2,Dial(SIP/${DIALEDNUM}@2.4.6.8<DIALEDNUM%7D at 2.4.6.8>
> <DIALEDNUM%7D at 2.4.6.8 <DIALEDNUM%257D at 2.4.6.8>>
> > )
> > Call2  exten => NXXNXXXXX,2,Dial(SIP/${DIALEDNUM}@1.2.3.4<DIALEDNUM%7D at 1.2.3.4>
> <DIALEDNUM%7D at 1.2.3.4 <DIALEDNUM%257D at 1.2.3.4>>
> > )
> > Call3  exten => NXXNXXXXX,2,Dial(SIP/${DIALEDNUM}@2.4.6.8<DIALEDNUM%7D at 2.4.6.8>
> <DIALEDNUM%7D at 2.4.6.8 <DIALEDNUM%257D at 2.4.6.8>>
> > )
> > Call4  exten => NXXNXXXXX,2,Dial(SIP/${DIALEDNUM}@1.2.3.4<DIALEDNUM%7D at 1.2.3.4>
> <DIALEDNUM%7D at 1.2.3.4 <DIALEDNUM%257D at 1.2.3.4>>
> > )
> > Call5  exten => NXXNXXXXX,2,Dial(SIP/${DIALEDNUM}@2.4.6.8<DIALEDNUM%7D at 2.4.6.8>
> <DIALEDNUM%7D at 2.4.6.8 <DIALEDNUM%257D at 2.4.6.8>>
> > )
> > Call6  exten => NXXNXXXXX,2,Dial(SIP/${DIALEDNUM}@1.2.3.4<DIALEDNUM%7D at 1.2.3.4>
> <DIALEDNUM%7D at 1.2.3.4 <DIALEDNUM%257D at 1.2.3.4>>
> > )
> > Call7  exten => NXXNXXXXX,2,Dial(SIP/${DIALEDNUM}@2.4.6.8<DIALEDNUM%7D at 2.4.6.8>
> <DIALEDNUM%7D at 2.4.6.8 <DIALEDNUM%257D at 2.4.6.8>>
> > )
> > Call8  exten => NXXNXXXXX,2,Dial(SIP/${DIALEDNUM}@1.2.3.4<DIALEDNUM%7D at 1.2.3.4>
> <DIALEDNUM%7D at 1.2.3.4 <DIALEDNUM%257D at 1.2.3.4>>
> > )
> > ..........................
>
> If your goal is really load balancing, not just alternating between
> providers, you might look at the GROUP* functions.  Otherwise, if you
> hit a stretch where you have, e.g., several even-numbered calls of long
> duration mixed with short odd-numbered calls, most of your traffic will
> wind up on the same route.
>
> --
> Barry
>
> --
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