FALCOM C2D-SI
VERSION 1.07
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Page 24
4.3.1
General AT commands
Command
Meaning
Command
Meaning
+++
Switch to command mode
when connected
AT&C1
DCD matches state of the
remote modem’s data
carrier
ATA
Answer call
AT&D0
Ignore DTR signal
ATDx
Dial data number „x”
AT&D1
At DTR-> OFF: Switches
from data to command
mode
ATDx;
Dial voice number „x”
AT&D2
At DTR-> OFF: Clear
down the call
ATE0
Disable command echo
AT&W
Store current
configuration
ATE1
Enable command echo
T+IPR
Select the modem’s data
rate
ATH
Disconnect existing
connection
AT+IFC
Select the modem’s local
flow control setting
ATO
Return to data mode
AT+VGR
Tune the receive gain
ATS0=n
Go off-hook after n-th
ringing signal (n = „1”- „5”)
AT+VGT
Tune the transmit gain
ATS0=0
No automatic answering of
calls
AT+VTD
Define DTMF tone
duration
ATZ
Load stored profile
AT+VTS
Send DTMF tone
AT&C0
DCD always ON
AT+CBST
Select the bearer type
AT+CPIN
Enter PIN and query
blocks
AT+CCFC
Control the call forwarding
supplementary service
AT+CPWD
Change PIN or the
supplementary password
AT+CCWA
Control the call waiting
supplementary service
AT+CSQ
Display signal quality
information
AT+CFUN Select the functionality level
in the modem
AT+CR
Select connection service
report