Toshiba Satellite R20 User Manual page 219

S8 Comma pause time
S11 DTMF dialing speed
S12 Escape guard time
User's Manual
This register sets the time, in seconds, that the modem must
pause when it encounters a comma (,) in the dial command string.
In some countries/regions, S8 will set both wait before dialing and
comma pause time.
Range:0-255
Default:2
Units:seconds
This register determines the dialing speed which is prefixed for
each country/region.
Range:50-255
Default:95
Units:.001 seconds
This register sets the value (in 20 millisecond increments) for the
required pause after the escape sequence.
Range:0-255
Default:50
Units:.02 seconds
S-registers
D-4