US Robotics SportsterVoice User Manual page 54

Register Default
S27 0
instructions for S13.
modulation at 300 bps for
and domestic
only originates V.21 calls.
trellis coded) modulation in
tone to allow two V.42
This setting disables the
viewed on
unusual software
14.400 bps
Function
Bit-mapped register setup. To set the
Bit Value Result
0 1 Enables ITU-T V.21
mode, the modem answers
(U.S. and
1 2 Enables unencoded (non-
of ITU-T Recommendation
2 4 Disables V.32 modulation.
3 8 Disables 2100 Hz answer
more quickly.
4 16 Enables V.23 fallback mode.
5 32 Disables V.32 bis mode.
6 64 Reserved.
7 128 Software compatibility mode.
code instead. The actual rate
the ATI6 screen. Used for
software may not accept
or greater result codes.
overseas calls; in V.21
Canada) calls, but
(Default Bell 103)
V.32 mode; rarely used part
modems to connect
codes and displays the 9600
incompatibilities. Some
register, see
both overseas
V.32.
of the call can be
7200, 12.000 and
51