RB> V.34 will either retrain or speed shift
RB> to a higher speed as conditions improve.

RS> So will any decent V32bis modem too.

SA> From a 1990 USR V.32Bis with ASL Courier Manual :)

SA> 'Like most high speed modems, Courier modems fall back to the next lower
SA> speed (12k, 9600, 7200. 4800) if poor line conditions warrent. Unlike other
SA> modems, however, that stay at the lower rate for the rest of the call,

Thats completely bogus, the 'unlike other modems' bit.

SA> Courier modems detect improved line coditions and shift upward again
SA> to the next higher speed. ASL keeps the modems online. always operating
SA> at the highest possible speed, and constantly ensuring data integrity'

SA> The old 14k4 USR's also had a 'Enhanced proprietary V.32Bis'
SA> for Faster Connects and Faster Retrains :)

Yes, but thats a completely separate issue to fall forward which was
always part of V32bis, tho optional. Yes, quite a few modem manufacturers
didnt initially implement it, but plenty did too, not just USR.
@EOT:

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