Specifications

ISI3334/4 Hardware/Driver Installation Manual
12
2.1 AT Commands
AT commands are the means by which you, and your
communications software, are able to communicate with and
configure your modem. They enable you to establish, read, and
modify parameters in addition to dialing. The following provides a
summary and brief explanation of the AT commands recognized by
the MultiModemISI.
COMMAND: AT
VALUES: n/a
DEFAULT: n/a
DESCRIPTION: Attention Code that precedes most
command strings except A/, A: and Escape
Codes.
COMMAND: Return
VALUES: n/a
DEFAULT: n/a
DESCRIPTION: Pressing RETURN key executes most
commands.
COMMAND: A
VALUES: n/a
DEFAULT: n/a
DESCRIPTION: Answer call, even if no ring present.
COMMAND: A/
VALUES: n/a
DEFAULT: n/a
DESCRIPTION: Repeat last command. (Do not precede this
command with AT. Do not hit RETURN to
execute.)
COMMAND: A:
VALUES: n/a
DEFAULT: n/a
DESCRIPTION: Continuous redial (10 redials in DOC units)
of last number until answered. (Not used in
International Models.)