US Robotics SportsterVoice User Manual page 53

Register Default Function
S19 0 Sets the duration, in minutes, for the
The timer activates when
time-out the modem hangs up. S19 = 0
S20 0 Reserved.
S21 10 Sets the length, in 10-millisecond units, of
the modem to the computer;
S22 17 Stores the ASCII decimal code for the
S23 19 Stores the ASCII decimal code for the
S24 0 Reserved.
S25 20 Sets the duration, in hundredths of a
must be dropped so
glitch as a DTR loss. (Most users will want to
setting compatibility with older systems
older operating software.)
S26 0 Reserved.
50
there is nodata activity on the phone line; at
applies to MNP or V.42 mode only.
that the modem doesn't interpret a random
disables the timer.
use the default; this register is useful for
inactivity timer.
breaks sent from
XON character.
XOFF character.
second, that DTR
running under