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Technical Reference
53
Any key Aborts off-hook dial/answer operation and hangs up.
AT Required command prefix, except with A/, +++, and A>. Use
alone to test for OK result code.
B
n 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 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 numbers are stored with the
&Zn=s command
T Tone dial
, (Comma) Pause, See S8 definition; which it is linked to
; (Semicolon) Return to Command mode after dialing
“ Dials the letters that follow (in an alphabetical phone
number)
! (Exclamation point) Flashes the switch hook
/ Delays for 125 ms. before proceeding with dial string
W Wait for second dial tone (X2 or X4); linked to S6 register
@ Dials, waits for quiet answer, and continues (X3 or higher)
$ Displays a list of Dial commands
En Sets local echo
E0 Echo OFF
E1 Modem displays keyboard commands
Fn Sets online local echo of transmitted data ON/OFF
F0 Local echo ON, modem sends a copy of data it sends to
the remote system to your screen
F1 Local echo OFF, receiving system may send a
remote echo of data it receives