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TECHNICAL QUICK REFERENCE
115
Command Set
$ Use in conjunction with D, S,
or & commands (or just AT)
to display a basic command
list; online help.
A Manual Answer: goes off hook
in answer mode. Pressing any
key aborts the operations.
A/ Re-executes the last issued
command. Used mainly to
redial. This does not require
the AT prefix or a Carriage
Return.
A> Re-executes the last-issued
command continually.
Any key Aborts off-hook dial/answer
operation and hangs up.
AT Required command prefix, except
with A/ and +++. Use alone to test
for OK result code.
Bn U.S./ITU-T answer
sequence.
B0 ITU-T answer
sequence
B1 U.S. answer tone
Dn Dials the specified phone
number. Includes the
following:
L Dials the last dialed
number.
P Pulse (rotary) dial
R Originates call using
answer (reverse)
frequencies.