asterisk users - Sep 2004 - Channel banks that you've used

I'm looking to buy a channel bank. I'll be using this to basically dual
a Toshiba PBX and Asterisk so that we can deploy Asterisk in small steps
and have the Toshiba as a fallback in case something goes wrong. 
 
What I need is a channel bank that will allow me to take in 12 lines
using the FXO ports in the CB and then output those lines to the Digium
T100P.
 
Has anyone had experience with this type of setup? Do you have opinions
about any particular channel banks? I've been looking at the Carrier
Access ADIT 600. Has anyone had good or bad experience with this
make/model?
 
 
Thanks,
 
Andrew
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Quoting "Nichols, Andrew" <anichols@itiusa.com>:
> I'm looking to buy a channel bank. I'll be using this to basically
dual
> a Toshiba PBX and Asterisk so that we can deploy Asterisk in small steps
> and have the Toshiba as a fallback in case something goes wrong. 
>  
> What I need is a channel bank that will allow me to take in 12 lines
> using the FXO ports in the CB and then output those lines to the Digium
> T100P.
>  
> Has anyone had experience with this type of setup? Do you have opinions
> about any particular channel banks? I've been looking at the Carrier
> Access ADIT 600. Has anyone had good or bad experience with this
> make/model?
I've used their AccessBank 1 and AccessBank 2 FXS channel banks and they
work quite well.  I
suspect the Adit will do as well.

I had a Newbridge channel bank and a Vina T1 Integrator which I could not get
the Message Waiting
Indicator to work, I would not suggest either of those.