[Asterisk-Users] More on the IAD connection

[Wiley Siler]

AdTran can come in either flavor depending on the modules they install.

It can dump analog lines or it can be fully digital and split off voice
T.
I would recommend the digital domain for sure.  
Get yourself a Digium T1 card and keep everything digital.
Get a block of DIDs (20 is the norm for XO) and you will have a great
solution.
Don't bother with analog lines.  They work but consider it this way.

T1 card = around $600 and can support up to 23 voice channels with 1
control data channel.
4 Port Analog - $330 - will never support more than 4 ports and IRQ
becomes issue as you add more cards

Obviously with a split T, you are not coing to use all 23 channels of
voice.
However, you will have room to grow, get better features, and avoid IRQ
problems (probably).

That is my $0.02.

Cheers,
Wiley



-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Corwin
Nichols
Sent: Monday, June 13, 2005 9:58 AM
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] More on the IAD connection

As a follow-up to my previous post where I stated the IAD would be a
Vina model, after some more prodding to XO, they have told me it will
either be an Adtran TA-600 or a CAC Adit 600. These products are covered
pretty well on the web and I have manuals on both. So, if those
knowledgeable folks had to use one of these to attach to an Asterisk
box, what interface would be best or at least workable?
Thanks,
-Corwin Nichols

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