newbye starting with bayonne... what is the right way?

Hi there,
I need to setup an IVR (a PRI/E1, with 30 concurrent incoming calls and no=
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outbound calls), and I'm wondering if I should use bayonne or asterisk.

In my understanding, bayonne should fit better to my needs, but I have=20
difficult to find documentation about supported hardware and features.

The IVR is very simple:

I need to ask a couple of numbers to the user (digits will be entered using=
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touchpad, no voice input) then execute a sql query and give back result (a=
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predefined message OK/KO) to the user.

Should I use bayonne 1.2.16 or 2.3.2 ?

I have to choose my card; I'm in doubt to use:
Dialogic=AE Diva=AE PRI/T1/E1-CTI
Dialogic=AE Diva=AE V-PRI/E1-30

Are they supported by Bayonne? I know that they were EICON cards so I'm not=
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sure if they will work without troubles. If both are supported, have you an=
y=20
suggestion about which one should I choose?

I would like to use debian etch (Debian 4.0, stable). has anyone succesfull=
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installed bayonne on this os?
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Thanks, Luca Arzeni