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Introduction to AT Commands
Command
F
This command selects the line modulation standard. This command is used for
backward compatibility only.
H
This command hangs-up, or terminates a particular call, whether is a voice or data
call, or whether it is an incoming, originating, waiting or connected call.
I
This command requests data adaptor information.
L
This command monitors the speaker loudness.This command is used for backward
compatibility only.
M
This command monitors the speaker mode.This command is used for backward
compatibility only.
N
This command enables auto mode. This command is used for backward
compatibility only.
O
This command returns a phone to the Online Data mode and issues a CONNECT or
CONNECT <text> result code.
P
This command selects pulse dialing.This command is used for backward
compatibility only.
Q
This command determines whether to output/suppress the result codes.
S
This command reads/writes values of the Bit Map and S-registers.
T
This command selects tone dialing.This command is used for backward compatibility
only.
V
This command determines the response format of the data adapter and the contents
of the header and trailer transmitted with the result codes and information
responses.
X
This command defines the data adaptor response set, and the CONNECT result
code format.
Y
This command disconnects on long space. This command is used for backward
compatibility only.
Z
This command resets the default configuration.
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Table 5. Core AT Commands (Continued)
Description
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