[asterisk-users] A question on ISDN cards... (in the UK)

[Steve Kennedy]

On Wed, Nov 15, 2006 at 11:15:16AM +0000, Gordon Henderson wrote:

> (I'm in the UK if that makes a difference)
> There seems to be a plethora of different ISDN cards available in both the
> BRI and PRI range - all with varying prices too - from £25 to nearly £1000
> from some popular reseller sites...
> Does anyone have (or know of) a good comparison site, or have views on one
> card type over another?
> I'm assuming that the more expensive cards have additional features like
> better echo cancellation and audio processing abilities (or less CPU
> overhead?)
> Would anyone like to recommend a good and reasonable quality ISDN card for
> use in the UK, as after a lot of good results with TDM400P cards with
> several systems installed now, I need to look at a few ISDN BRI (old
> business highway about to move to ISDN2) and possibly a single-line PRI
> (ISDN-30) system.

Remember that ISDN may not be ISDN (well it is), but you specifically
need ISDN2e for BRI and make sure a PRI is configured as EuroISDN (ISDN
v110, the UK default is v85).

Steve

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