[Asterisk-Users] T1 multiplexer (or ?) for failover in largeinstallation

[Trey Scarborough]

It sounds like your looking for a t1 protection switch with will do what you 
want It can switch t1's for failover or  loss of signal on a t1. These are 
usualy rather expensive and Might work 100% in your example because they 
will only switch over if th actuall t1 goes down. So If your server 
dies/locks up and doesnt tell the t1 to go into alarm it will still think it 
is up and not switch to the other.


----- Original Message ----- 
From: "Mike" <mike-asterisk at potatoslicer.com>
To: <asterisk-users at lists.digium.com>
Sent: Monday, June 13, 2005 10:35 AM
Subject: [Asterisk-Users] T1 multiplexer (or ?) for failover in 
largeinstallation


> Hi,
>
> Please forgive my terminology, still a bit new to T1s and such.
>
> I'm looking for a way to have 5 T1s from a carrier terminate into some 
> type
> of box (multiplexer?), then be able to plug 7 asterisk servers into that 
> box
> (each with single port T1 card) and be able to have 2 * servers go down at
> any given time and not actually have the carrier see that anything has 
> happened.
> Obviously if a * server crashes the calls on it at the time will drop, but
> then once the box (multiplexer?) sees that a T1 is down (between the box
> and asterisk) it will terminate those DS0's on another T1. Basically some
> type of hunting/pooling/load balancing.
>
> Anyone heard of anything like this? Or am I off my rocker?
>
> Thanks,
> Mike
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