[asterisk-users] Asterisk Advice

[Tim Panton]

On 3 Oct 2006, at 08:31, K Y Iyer wrote:

> Hi
>
> Looking at using Asterisk for a new remote office with about 200  
> extensions.  We have an existing EPABX in our central office with  
> about 120 POTS lines.
>
> The central office and the new office will be connected over a  
> 4Mbps leased line.
>
> We want to be able to connect our Asterisk box to our EPABX so that  
> people with Asterisk VoIP extensions can dial out using the POTS  
> line - and, of course, receive calls through the POTS line.
>
> I am informed that we will require a Digium card to connect the  
> Asterisk box to the existing EPABX. This card, I am told is a PRI  
> card that can handle 30 voice channels.  This is fine.

Depending on the card you can have 1, 2 or 4 E1s on a card.
>
> My question is -  how many such cards can one Asterisk system handle?
The consensus seems to be that 2 x 4 E1 cards is a sensible maximum.  
Sounds like you
won't need that (yet).
>
> What if I want to enable three PRI lines on Asterisk?  Is it  
> recommended to put in three or four PRI cards in one Asterisk box?
>
> I have a dual Xeon 3.0Ghz (I think!) box with 2GB RAM - this box  
> can be upgraded or changed as well and am running RHEL 4.0 AS on it.
>
Sounds fine.

Tim Panton

www.mexuar.com