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The first example is a banking
transaction: The command AT
D333-1234; dials the bank's phone
number and returns the modem to
the command state. After the OK
prompt is displayed on the DTE,
the command AT D T 0901# is
entered. This transmits the
identification number 0901 to
the bank, and again returns the
modem to the command state. An
account number and other data
may be transmitted in the same
way.
The second example illustrates
one method of autodialing: Enter
a dial string that ends with a
semicolon, for example, AT DT9,
3331234. During the ring signal or
when the call is answered, pick up
the phone and enter AT H. You
may then use a telephone
connected to the modem for voice
communication.
@—WSAIT FOR SILENCE
BEFORE DIALING. The @
command is used to gain access to
a system that does not provide a
dial tone. It tells the modem to wait
for 30 seconds or the time specified
by a register S7 for one or more
rings followed by 5 seconds of
silence before processing the next
symbol in the dial string.
!—INITIATE FLASH HOOK.
The ! command causes the modem
to go on-hook for 1/2 second. This
has the same effect as holding the
switch-hook button on your
telephone down for 1/2 second.
CHAPTER 5: Hayes Emulation Mode
You may be able to use this
command for transferring calls.
&F—RECALL FACTORY
CONFIGURATION. The &F
command restores the modem to
its original factory configuration,
using data stored in ROM.
However, this change is not
permanent. If the modem is turned
off or reset, the recalled
configuration will be replaced with
the default stored profile. (See the
&Y command.)
&V—VIEW ACTIVE
CONFIGURATION, ETC. This
command displays the active
modem configuration, user profiles
stored using the &W command,
and phone numbers stored using
the &Z command. When &V is
invoked, the DTE displays the
configuration commands last
issued, including parameters used,
and the values currently stored in
the S registers. The &V command
should be issued as the last
command on a line.
&W—WRITE PROFILE TO
MEMORY. The &W command
saves the storable parameters of the
modem's active configuration by
writing the configuration profile to
non-volatile memory. By selecting
either &W0 or &W1, two different
user profiles can be saved (profile 0
or 1). One of these profiles will be
automatically restored whenever
the modem is powered on or when
the Z command is issued. (See the
&Y and Z commands.)
105
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