Tom, Thank you! This was all hypothetical, because I'm trying to wrap my
mind around the concept. But you've made it much clearer for me. I still
have a few follow-up questions...
1a) Forget the hypothetical company now. Let's say 6 outside lines were
deemed sufficient, and there were 12 employee (i.e. inside lines). Could I
have the same Digium T1 card to service out and inside the company?
1b) I'm fairly certain of this, but anything going outside, I could use the
same T1 for receiving calls as for sending them, right? (not with the same
channel at the same time, obviously, but I could use 2 lines incoming and 4
outgoing, or 3 incoming and 3 outgoing, depending on the current situation,
without reconfigurin the PBX?)
2) When you say a PRI is necessary for a Caller-ID name (as opposed to just
number), I've looked around and I understand a PRI uses a T1 tunnel (24
channels) but a bit more expensive. Is this a fact, or is it something
completely separate that I couldn't use with Asterisk? Or am I completely
out in left field?
Yes, this will easily work via the T1. Your Provider will send the
DNIS information when the call comes in. Normally they provide the
last 4 or last 7 digits of the dialed number (Choose seven. We used
Exactly what I wanted to know, thank you.
Yes, but you could use a Sangoma card, too.
Will definitely take a look and compare. Any pros and cons I should know
that isn't obvious from their documentation?
- Something (not sure what) on the outside to connect to those 72
phones (3 T1 cards internally connecting to a wire panel, in turn
connected to 60 phones?
3.) Analog phones connected to a Channel bank, connected to a T1 card.
Thanks. I already knew about SIP and IAX, since I'm more of a computer geek
than a telecom one that part means more to me :-) Channel bank is what I
meant.
Well, experience, patience, and a working dialplan will all be
important! I would personally recommend a GUI configuration tool,
such as AMP, IPManager, or something of the like. This, of course,
depends on your preferences, though, so feel free to hand-code if you
so desire.
I'm handcoding right now (I like learning the hard way so I can appreciate
the GUIs after) but I'll definitely look into those.
For something like this as your first serious production install, you
might want to consider hiring a consultant.
I'll certainly consider that when (I should say if) a real project does
require me to do so.
No, but again, you might want to consider hiring a consultant before
you tackle something like this. At the very least, take it slowly as
I suggested above.
Tom
------------------------------------
Tom Rymes
Cascade Link Systems
www.cascadelinksystems.com
(603) 375-1414
Thanks alot Tom, it makes me feel more secure in considering Asterisk for
jobs like this when there are helpful people like you around.
Mike
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