Sean Cook wrote:
One of the primary differences between the two cards is the Sangoma
h/w echo canceler handles more cases of echo then do the Digium cards.
Whether you need that additional coverage is 100% dependent on your
specific implementation (eg, your T1/PRI provider), and not on what
the list thinks about the two products.
Since there are no affordable tools to truly quantify echo for each
specific implementation, as a pbx engineer your toolkit should
probably include both cards. Sort of like try the less expensive card
and if it doesn't address your echo issues, then try the more
expensive one.
No offense but isn't that like saying .... "Don't take what the list has
to say about your purchase... instead you should guess and hope you get
the right answer... but if you don't, gamble again and buy two cards?"
The list cannot guess at what level of echo "you" are going to incur,
therefore there is no way for anyone to accurately tell you how to
address issues. Both cards are quality products, but with slightly
different operational characteristics.
If you can't afford to purchase both cards, then a safe bet is to simply
purchase the Sangoma card since it can address more echo issues then the
Digium card.
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