[Asterisk-Users] Newbie hardware question

[Andy Hester]

  -----Original Message-----
  From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com]On Behalf Of Just ME
  Sent: Thursday, October 30, 2003 11:00 AM
  To: asterisk-users at lists.digium.com
  Subject: [Asterisk-Users] Newbie hardware question


  Hi,
  I have scanned through the archives of this list and found a number of
question about hardware, but I just can not find the answer to my question.
I am new to phone systems, I got "drafted" to come up with a new phone
system for our company (I guess they figure since I know computers I know
phone systems as well :O).
  We have 5 analog (I guess they are called PSTN lines) lines coming in and
16 clients (telephones) in our office.  I am not worried about the minimum
computer requirements because I have a couple of spare P4 based servers with
512 megs of memory, but I need to know what cards should I be looking at
using because I will run out of PCI slots if I use 4 TDM400P cards (for the
clients) and 5 of the X100p (for the lines).
  Any help or advice would be greatly appreciated.
  Thanks

  Jon Hoffman

  Jon,
      Steven just answered this question quite well, so I'll just refer to
him:

  Andy
  snip
  You will want either a T100P, or a T400P. Then you will want a channel

  bank that is modular enough to add a FXO card to it. With 5 lines of

  FXO, the Adtran units will be a good choice as they are in units of 6

  lines. The Adit cards are 8 lines at a time. The Adtran unit would let

  you get 18 extensions and 6 incoming lines on a single T1 interface.

  Both of these units can be bought on Ebay for relatively inexpensive

  compared to new prices. Then you will either have to scour the net for

  the FXO card, or go pay full price for it.

  Either way, this gets you down to 1 PCI card. If you go the route of a

  T400P card, adding more service later will be less of a hassle. You

  could also use it to do your network routing if you decide to go frac T1

  for data and some phone service tacked onto the same T1 interface. This

  could potentially even be a better route as you wouldn't need to find

  FXO interfaces anymore. You would also get the benefit of using the new

  software fax setup to get yourself on the way to unified messaging.

  --

  Steven Critchfield <critch at basesys.com>


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