On Wed, 2008-06-11 at 16:30 +0100, Ade Vickers wrote:
> Hi,
> 
> I've been asked to spec up a small Asterisk system, which needs to:
>  - Connect to ISDN2e  (I'm thinking of using a B100P card here)
>  - Connect to the POTS (A400P with 1 FXO)
>  - Allow remote phones (thinking of an ETC 6050 utilising IAX2)
> 
> It is a requirement that the POTS analogue card picks up CLI information -
> and I'm in the UK which, historically, has lousy CLI support.... certainly,
> my AX100P doesn't do it... does anyone have any good news about the A400P,
> or do I need to be hunting down a genuine Digium card?
> 
> I'm further assuming that an IAX2 phone will work far more reliably through
> firewalls & non-static IP addresses (Asterisk box will be on a static IP,
> remote/roaming "office" may not be) than a SIP phone, based on my
> experiences of getting IAX2 between Asterisks to work.
> 
> So -- am I on the right lines with the hardware I've specced above, or
> should I be looking at alternatives?

Can't you leave the picking up of the cli to the isdn line?
Even if it is an ISDN1 (just a B-channel and a D-channel), the chances
of tranferring channel info, like CLI, is better.

I would leave the pots-interfaces for the people stuck with an ordinary
phone (or fax)..
Did you consider sipura 3102? Easier to scale than analogue cards.
And perhaps easier to deploy, no spof,..

hw

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