AT Commands
5-16
V.3600
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 — Sn
To dial one of the previously stored numbers, enter
Sn
where
n
represents 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);
The ; modifier recalls the command mode and prevents the modem from
training. The remote site must be answered by the telephone for the
voice call to be successful.
