US Robotics Sportster Operating Instructions Manual page 134

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.
Aborts off-hook dial/answer
Any key
operation and hangs up.
AT Required command prefix, except
with A/ and +++. Use alone to test
for OK result code.
130
T Q R
ECHNICAL UICK EFERENCE
Bn
Dn
U.S./ITU-T answer
sequence.
B0 ITU-T answer
sequence
B1 U.S. answer tone
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.
Sn Dials the phone
number string stored in
NVRAM at position n
(n = 0 3). Phone