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ATBn
B0
B1
ATD
P
T
,
;
!
W
@
R
ATDL
ATDSn
ATEn
E0
E1
ATHn
H
H0
H1
ATIn
I0
I1
I2
Handshake operation
Select ITU-T V.22 for 1200 bps communication
Select Bell 212A for 1200 bps communication
Dial number and options that follow
Pulse dial
Tone dial
Pause for a specified time
Return to command state after dialing
Hook flash, call transfer
Wait for second dial tone
Wait for 5-second silence before proceeding, otherwise
return O ANSWER"
Reverse Dial (Originate a call in answer mode)
Dial last number
Dial number stored in NVRAM at position n. n=0-9
Command mode local echo of keyboard commands
Echo off
Echo on
On/Off hook control
Hang up modem
Hang up (on hook), same as ATH
Get off hook
Display inquired information
Display product code
Display product information and ROM checksum
Link status report
B - AT Commands
73
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