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AT
Command
B
This command selects the communications standard used by the data adapter. This
command is used for backward compatibility only.
CGQREC
This command returns the requested quality of service profile.
D
This command places a voice call on the current network, when issued from an
accessory device.
D*99
This command enables the MT to perform the actions necessary for establishing
communication between the terminal and the external PDN.
D>
This command places a voice/fax/data call on the current network by dialing directly
from the g20 phone book.
DL
This command places a voice call to the last number dialed.
E
This command defines whether the g20 echoes the characters received from the
accessory, (whether input characters are echoed to output).
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.
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.
RING
This unsolicited event is received when an incoming call (voice, data or fax) is
indicated by the cellular network. The +CRING indicates the type of incoming call.
S
This command reads/writes values of the S-registers.
98-08901C68-O
Table 137. AT Commands (Alphabetical) (Continued)
Description
Reference Tables
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