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have been issuing commands in the middle of a telecommunication session.
You can use the Escapte code (3 plus signs) to get out of terminal mode
without terminating the session, issue commands, then type ATO to resume
telecommunicating.
S - Set registers: sets the 14 registers that control various elements of
communicating. Registers and their function are listed below.
Sr? - Query register: tells you the current value of register "r".
Xn - Result codes: status reports that are displayed on the screen in
numeric or verbal form (see the V command). YOu can prevent the codes from
being displayed (see the Q command). There are 10 codes divided into three
overlapping groups. X0 selects codes 0 thru 4, X1 selects 0 thru 5, and X2
selects the full set of codes. The following table lists and describes the
codes.
0 OK Command being executed
1 CONNECT Going online
2 RING Incoming call (enters answer mode)
3 NO CARRIER You're disconnected
4 ERROR Invalid command
5 CONNECT 1200 Online at 1200 baud
6 NO DIAL TONE Returns to command mode
7 BUSY The host is busy
11 RINGING The host is not busy
12 VOICE A person, not a modem, answered
Qn - Quiet: decides whether or not to display result codes. Q0, the
default, displays the codes and Q1 suppresses them.
Vn - Verbal: determines whether result codes are displayed as words (V1,
the default) or code numbers (V0).
Z - Zap: resets modem to all default settings. Has the same effect as
unpluggin, then plugging it in again. Can be used to initiate new DIP
switch settings.
Setting Registers
=================
There are 14 registers, most of which deal with timing, that alter aspects
of the modem's memory to tailor the performance to your needs. All the
commands use the same structure:
ATSr=n where r is the register number and n is the new value
Reg Default Function
=== ======= ==========
S0 DIP 1 Sets number of rings before auto-answering