In message <(E-Mail Removed)>, Peter Duck wrote:
> In message <(E-Mail Removed)>
> "Dave {Reply Address in.sig}" <noone$$@llondel.org> wrote:
>
>> ... When this new-fangled DSL stuff came along I swapped back to a
>> POTS line seeing as BT can't cope with ADSL-over-ISDN (which is
>> perfectly possible, ask the Germans).
>
> AIUI, the German variant of ADSL is compatible only with ISDN, just as
> ours is compatible only with 'POTS'.
>
> Each adopted only the variant compatible with the great majority of its
> subscribers' lines.
>
It's basically the same thing except that with the ISDN flavour some of the
lower-frequency subcarriers are removed because they're in the ISDN
passband. There's no reason why it wouldn't work on a POTS line as well.
The only side-effect is a small decrease in maximum bandwidth available but
as most ADSL links don't run at max, it's not noticeable.
--
Dave
mail da
(E-Mail Removed) (without the space)
http://www.llondel.org/
So many gadgets, so little time...