[Asterisk-Users] Some questions re. T1 cards & QoS

[Cory Andrews]

You are going to likely want to use a Digium TE110P or Sangoma A101, Single
T1/PRI interface.  If you want echo cancellation, you would need to go with
something like Tellabs, which you can find info on here
http://www.voip-info.org/wiki/view/Tellabs+Hardware+Echo+Cancellers

The connector on the TDM2400 is for an amphenol connections, you need a M-F
Amphenol cable, which attaches to a mini RJ11 patch panel, to physically
break-out your FXS and FXO resources.

For QoS Router, I might suggest an Adtran Netvanta series, or a Sonicwall
TZ170 Series.


Cory Andrews
Executive Vice President
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VoIPSupply.com
PBXSelect.com
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Buffalo, NY 14225
voice - 800.398.VoIP X3402
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e - Cory at VoIPSupply.com
m - 716.907.4059
aim - B2Cory

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of hugolivude
Sent: Monday, April 24, 2006 3:57 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [Asterisk-Users] Some questions re. T1 cards & QoS

I've been asked to assess the cost of implementing Asterisk with a
single T1 line in one of our offices.  I've had plenty of experience
w/ TDM400 cards, but T1 is new for me so a couple of questions:

1)	Will I need a digital or analogue interface card?  I expect digital
is the answer, but the Digium web site said something about analogue
cards being able to support "provider T1 lines" whatever that means,
so I was thinking about a TDM2400P because I want on board echo
cancellation.  BTW the connector on the TDM2400P is a new one for me,
how do you connect to it?

If I have to go digital, which of the TE series do I need?  Again, I'm
looking for echo cancellation and 1 T1 line.  The TE110P offers a
single span T1, but no echo cancellation.

2)	Any recommendations on a good QOS router?  I'm using a Lynksys
router running Sveasoft currently for my 15 user TDM system, but I
think I'll need something more industrial strength for the new
installation.  Any recommendations?

Thanks,
Hugh
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