[Asterisk-Users] ISDN (E1) Hardware Echo Cancellation

[Doug Lytle]

Avi Miller wrote:
> Hey guys,
>
> Could someone recommend some good hardware echo cancellation devices 
> for a single ISDN E1 line? I need something to sit between the wall 
> and a Sangoma A101u PCI card.
>
A Tellabs 2572 64ms EC.  Check ebaY.  Instructions on the Wiki.

Doug



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