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AT Commands
AT DTn; (n= additional tones to be sent)
Wait for 5 Seconds of Silence @
To wait for 5 seconds of silence (no answer back tone) after accessing an
electronic service, use the @ command in the dialing sequence.
AT D 399-4700 @ 2251 ;
In this example the modem dials the number and, after the connection,
waits for 5 consecutive seconds of silence. The modem then sends
service code 2251 and returns to command mode for further input.
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.
Dialing a Stored Telephone Number S n
To dial one of the previously stored numbers, enter Sn where n repre-
sents a stored telephone number location between 1 and 9.
AT D S9
In this example, the number stored in location 9 is dialed.
Note
DS and DS1 are the same location.
Autodial Number Location *AUn
The *AUn command selects stored number n (n=1 to 9) to be autodialed.
This is the autodial number, which is used for any autodial application.
Voice Calls
To make a voice call, dial the number with the telephone. To use the
dial command for the call, enter the following dialing sequence.
AT D (number);
5-16
V.3400
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