Rich Adamson wrote:
I've tested a large number of other external adapters and have not
found a single one that had a reasonable echo canceller built in. Many
of them work fine on short pstn lines (where echo is much less of a
problem), but provided even reasonable service on longer pstn lines or
lines that involve unusual telco configurations (eg, remote line
concentrators).
What about devices from audiocodes, ipgear/boscom and vegastream? Can
you give a list of products you have tested and your results as well as
your testing environment and methodology?
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