[asterisk-users] Big time system

[Kevin P. Fleming]

On 06/25/2010 10:00 AM, Cary Fitch wrote:
> Thanks for the feed back, but the rates are more or less predetermined.
> 
> AT&T rates would be $.0007 per minute for local calls.  The operation would
> be providing local phones wired to houses with copper pairs.
> 
> What I am looking for is the "best" ways to handle those lines when brought
> to a local "switch" site.  The actual "switch" might not be there but back
> hauled, might be a TDM switch, a concentrator (TNT, etc) "10" ganged
> Asterisk systems, or "tin can and string". 
> 
> I see some talking about TNTs in this forum.  Those are 672 lines or in some
> versions double that, what is used behind them to do the processing, etc.

You really, really want to use IP backhaul as close to the end customers
as you can push it. If you can't, then you need to use multiplexing to
avoid having to have one channel per customer, which is excessive for
residential usage. This is what GR-303 was designed (and is still used) for.

-- 
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
skype: kpfleming | jabber: kfleming at digium.com
Check us out at www.digium.com & www.asterisk.org