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For example, you might enter a dollar amount for a banking transaction by entering
AT D 1400 ;
This sends the sequence 1400 and then returns to the command mode for further entries, according to
the requirements of the banking service.
6.7.9 R
C
EMAINING IN
To remain in command mode after dialing, place a semicolon at the end of the dial string.
AT D 234-5678 ;
The modem will dial the telephone number entered but will not attempt to train when the remote
service answers the call.
This is used to retain control so that further tones may be entered with
AT DTn ;
The semicolon should be placed at the end of each sequence of digits in order to remain in command
mode (n=additional tones to be sent).
6.7.10 D
S
IALING A
TORED
Use the S command to dial a previously stored command line.
ATDS—Dials number stored at location 1. ATDS and ATDS1 are the same.
To dial one of the multiple stored numbers, enter ATDSn, where n is between 1 and 9.
AT D S9
In this example the number stored in location 9 is dialed.
AT*AUn—Selects stored number n (n=1 to 9) to be autodialed. This is the autodial number, which is
used for dial backup or if DTR-controlled dialer is enabled.
6.7.11 V
C
OICE
ALLS
To make a voice call, place modem in TALK mode by pressing the TALK / DATA button and dial the
number with the telephone. If you wish to use the dial command for the call
Enter AT D (number) ;
Then place the modem in TALK mode to give the telephone control of the phone line. The semicolon
character (;) recalls the command mode and prevents the modems from training. The remote site must
be answered by the phone with the modem in talk mode.
6.7.12 S
WITCH FROM
After dialing in TALK mode, place the modems in DATA mode by pressing the TALK/DATA button.
M
(;)
OMMAND
ODE
T
C
ELEPHONE
OMMAND
V
D
OICE TO
ATA
CHAPTER 6: Asynchronous Operating Commands
L
(S)
INE
6 5
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