[lug] Delightful ISDN technology (was: Re: Business VOIP Advice...)

[Sean Reifschneider]

On 09/03/2009 11:36 AM, Nate Duehr wrote:
> little off-shoot that technology is!  (I always thought it was a clever 

The thing that pissed the telcos off, and why they pretty quickly changed
from unlimited local ISDN calling to per-minute charges, is that the ISDN
128kbps service tied up two phone line channels worth of bandwidth whether
you were sending something across it or not.  I had my line set up so that
normally it only had one line up, and when I started using it particularly
heavily it would bring the other channel up.  Since an ISDN call took less
than a second to fully connect, IIRC, it wasn't a big deal.

So, IDSL makes a lot of sense.  It allows them to provide ISDN to places
that can't get DSL, without having to tie up that bandwidth between the
switches.

Sean
-- 
Sean Reifschneider, Member of Technical Staff <jafo at tummy.com>
tummy.com, ltd. - Linux Consulting since 1995: Ask me about High Availability

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