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Appendix A. AT Commands and S-Registers
61203153L2-20 Express 3000 User Manual A-3
Changing S-Registers
To change an S-register, type AT, the S-register number to change, an
equals sign, the numeric value to assign to the register, and then press
the
Enter
key. For example,
ATS0=2
changes the Auto Answer to 2
(dump all calls).
S-REGISTER STRINGS
S-register Strings store strings of digits such as stored phone numbers
and SPIDs (the S-registers String list begins on page A-16).
Reading S-Register Strings
To read an S-register String, type
AT
, the number of the string S-regis-
ter to read, a question mark, and then press the
Enter
key. For exam-
ple,
ATSS80?
shows the number stored in location 0.
Changing S-Register Strings
To change an S-register string, type AT, the number of the S-register
string to change, an equals sign (=), the numeric string to assign to the
register, and then press the
Enter
key.
ATSS80=5551212
, for exam-
ple, changes the number stored in location 0 to 5551212.
Dialing a Call using AT Commands
To dial a call using the DTE terminal and AT commands, on one line
type ATD, ATDT, or ATDP and the telephone number; then press the
Enter
key. For example,
ATD5551212
dials phone number 555-1212.
Disconnecting a Call using AT Commands
To end an active call using the AT commands, press the break-in key
sequence
+++
. Then type ATH and press the
Enter
key to hang up the
line.