Nick Chalk wrote:
Evening all.
I'm looking at building an Asterisk system for one
of the projects of the Charity where I'm the
SysAdmin.
The project has two analogue phone lines - BT
Featureline Compact, we're in the UK - that I'd
like Asterisk to handle.
My current quandary is which FXO interface to use.
I've been looking at the Digium TDM400P and
Sangoma A200, which are similar prices for two FXO
lines. Can anyone comment on the relative merits
of those two devices? Are there any other options
in the same price range?
As we're a small Charity, price is a major
consideration. I don't think we can afford the
A200's hardware echo-canceller, for instance.
Thanks for your help.
Nick.
Nick:
If you aren't going for the echo cancellation, then I think either card
will do fine.We have over twenty five systems deployed in rural eastern
North Carolina locations with six analog lines each and the majority
work fine with TDM400s, though we have had to replace several with
Sangoma A200 with echo cancellation to eliminate echo. We are now
deploying only the A200 because we never know if echo will be an issue
or if it can be "tuned" away and it is just easier for support to not
have that worry.
Mike Clark
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