[Asterisk-Users] fxo connection in the UK

[Peter Hoppe]

I have used a x100P card in the test system, and it has performed *reasonably* well with some echo.
  I bought it from telappliant, so I guess it's approved for a UK context. If it is the most 
practical solution I stick with three x100P cards.

In the test system I had some trouble when I used a handytone286 adapter with an Audioline503 
economy telephone (No other phone did ring on incoming calls; sometimes dialled wrong number when I 
used BT analog line; audio sounds 'rough' and 'too bright'). Connection was fine with a grandstream 
IP phone (BT-100).

UK approval is a make-or-break issue for me, as I would not like to connect unapproved devices to a 
public network. The other solution I had a look at was an adit600 channel bank with an 8-way fxo 
card and fxs cards - but I dropped that option for the fxo side because the CAC fxo module seems not 
to be approved for UK use either. Many thanks for all your comments so far!

Peter


> On Tuesday 30 November 2004 13:05, Edward Eastman wrote:
>> Most people get echo issues with x100p's in the UK due to mismatched
>> impedance, the newer TDM400P is much better, and you could get this with 3
>> FXO modules (otherwise known as a TDM03B I believe).
>>
> The TDM fxo modules aren't approved for use in the UK yet - use at your own 
> risk.
> 
> Jon


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