Specifications

Digium, Inc.
Users without the VPMADT032 using open source echo c
included with DAHDI should configure echocancel to the
(16ms) or 256 (32ms). Setting "yes" will default the option to
Users who have not purchased an 800 Series card with the
cancellation module are encouraged to take advantage of D
Performance Echo Canceler software. This commercially l
software, which is made available at no charge to in-warra
analog interface card customers, provide toll quality echo c
performed on the host CPU, at up to 1024 taps (128ms) pe
further details about HPEC, please refer to the Digium we
http://www.digium.com/en/products/software/hpec.php
When HPEC is enabled, users may set the value of the ech
parameter to any of the following values:
128 - 16ms
256 - 32ms
512 - 64ms
1024 - 128ms
Note: Higher values will result in dramatically increase
consumption. In order to optimize system performance
encouraged to choose the minimum value required to c
echo.
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