In the case of our Sangoma card, the echo cancellation module constituted approximately half the price of the card, so yes you should find it considerably cheaper than the Digium card.

Just be aware of the extra fiddling around having to install the Sangoma drivers in addition to the Zaptel drivers.


Bobby Crawford wrote:
The higher price on the Sangoma is for hardware echo cancellation.  There
should be a model (A20400) that doesn't have the echo cancellation and it
probably is less expensive than the Digium card.

Bobby

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jim Freeze
Sent: Monday, April 09, 2007 9:53 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: RE : [asterisk-users] Upgrade 4 to 8 Analog Lines Question

On Apr 9, 2007, at 9:29 AM, William Moore wrote:

On 4/9/07, Jim Freeze <[EMAIL PROTECTED]> wrote:
Or a new Digium TDM880B replacing the old TDM40B for only one
IRQ...
Do you know if this board will fit in a 2U machine?
The TDM800P is about the same height as the TDM400P and is about an
inch longer, so you should have no problem putting it in the same slot
as the TDM400 was in.

I really appreciate all the info. I think I am going to go the route of an 8 FXS card,
but still need to decide between Digium and Sangoma.

Are there any recommendations between:

  TDM880B - $679
  A20400D  - $906

Also, why the higher price on the Sangoma?


Jim

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