[asterisk-users] New T1 Asterisk installation

[Alex Balashov]

In general, you're going to have better luck with a PRI.  A lot of echo 
occurs at the point where analog lines are broken out of a digital 
transport.  Also, from an economic standpoint, you *really*, *really*
don't want to order 15 analog lines.  Generally the rule of thumb in most 
areas of the US is that if you're ordering six or more analog lines, you 
might as well just buy a PRI, the way the price points are structured.

Plus, with 15 analog lines, that's a lot of termination hardware.  And if 
you're thinking of putting it in the same chassis, expect possible
bus problems / IRQ issues / etc. of the sort that are regularly discussed 
here.

Sorry if I misunderstood your question...

-- Alex

On Mon, 16 Apr 2007, Al said something to this effect:

> Hi List,
> I need to change my provider, at this time Asterisk box is on VOIP trunk.
> I have two options, T1 or 15 analog lines.
> I have some experience with analog and I have had two main issues with it.
> first is echo (I have not tried HPEC yet) and second unpredictable volume.
> The question is, if I use TE100 with PRI , will I have same issues?
> I would appreciate any comments and sample zaptel.conf and zapata.conf

--
Alex Balashov <sasha at presidium.org>