> > Why would you not need error correction [on ISDN]?
>
> Three reasons:
>
> 3) ISDN is a fully digital service and is therefore not very prone to
> errors (compared with analogue systems).
pet peeve warning:
I disagree. Speech is the most analogue system of all. You can remove 99% of
speech and still have enough left for communications. But can you point
out thte error-correction mechanisms underlying speech? Anyone who've heard what
ham's can stand for speech degradation will know what I mean. On the other hand
there are plenty digital systems where a single bit-error will mean catastrophic
failure.
I'm not exactly pleased with the current 'digital is better'-tantrum.
It's the implementation, not the technology that defines robustness.
---Ruben
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