S0
rings
S 1
rings
S 2
decimal
S 3
decimal
S 4
decimal
S 5
decimal
S 6
seconds 2–255
S 7
seconds 1–255
S 8
seconds 0–255
S 9
1/10 sec 0–255
S 1 0
1/10 sec 1–255
S 1 1
1 ms
Register Unit
S 1 2
1/50 sec 50–255
0, 1–255 1
0–255
0
0–255
43 (+)
0–127
13 (^M) Sets ASCII code for the carriage
0–127
10 (^J) Sets ASCII code for the line feed
0–255
8 (^H)
2
50
2
6 (0.6) Sets the time, in tenths of a second,
14 (1.4) Sets the time, in tenths of a second,
50–255
95
Range
Default Description
50 (1sec)
Sets the number of rings before the
modem answers. ATS0=0 disables
auto-answer completely.
Counts the number of rings that
have occurred.
Sets ASCII code for the escape
character. Values greater than 127
disable the escape sequence.
return character.
character.
Sets ASCII code for the backspace
character. Values greater than 32
disable the backspace character.
Sets the time the modem waits after
it goes off-hook before it begins to
dial the telephone number.
Sets the time the modem waits for
a carrier signal before aborting a
call. Also sets the wait for silence
time for the @ dial modifier.
Sets the length of a pause caused by
a comma character in a dialing
command.
that the carrier must be present
before the modem considers it valid
and turns on the RLSD.
that a carrier signal must be lost
before the modem disconnects.
Sets spacing and duration of dialing
tones.
Defines the maximum period, in
fiftieths of second, allowed between
receipt of the last character of the
three escape character sequence