US Robotics 56K Series Manual page 65

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:
0-9 Numeric digits
#, * Extended touch-tone
pad tones
L Dials the last dialled
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 numbers are
stored with the &Zn=s
command
T Tone dial
, (Comma) Pause, see the
definition of the S8
register to which it is
linked
; (Semicolon) Return to
Command mode after
dialling
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