Hello Arthur,

On Aug 19 04:22 in a msg to Peter Collis, Arthur Marsh of 3:800/812 wrote:

 AM> If it were a HST-only modem, it would probably answer with 2100 Hz
 AM> *without* phase reversals (or possibly even the Bell 2225 Hz answer
 AM> tone, which I encountered once when calling South Africa).

 AM> If it supports V.32/V.32bis/V.34 it would answer with 2100 Hz
 AM> incorporating phase reversals which would be detected by the echo
 AM> cancellers. 

At what stage would the 2100Hz signal be sent? I know HST handshake is
pretty quick, and I wonder if the USR looks for something at the start to
go straight into HST mode.

Cheers,
Poe

--- timEd/2 1.10+