Rich Adamson wrote:
[...]
If you install a T1 card and an external T1 mux (with fxo cards), the
echo can function already exists within the mux and/or cards. Don't
really need 'another' external echo can box unless you actually purchased a T1 mux that didn't have echo can in the first place (and
they do exist).
[...]
T1 muxes do not normally contain an echo canceller. It is a special item if it actually *does* contain an echo canceller.
Regards, Steve
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