Operation Manual

5
AT Commands Set Summary
Command Description Command Description
A/ Re-execute command &Dn Data terminal ready
(DTR) option
AT=X Write to Selected
S-register
&Fn Restore default
configuration
AT? Read selected
S-register
&Gn Select guard tone
A Answer &Kn Flow control
Bn CCITT/Bell mode &Mn Mode selection
Cn Carrier control
Dn Dial &Pn Pulse dialing control
En Command echo &Qn Mode selection
Hn Disconnect and hook
control
&Tn Test and diagnostics
In Modem identification &Sn Data set ready (DSR)
option
Ln Speaker volume &V Display current
configuration
Mn Speaker control &Wn Store current
configuration
On Return to on-line data
mode
&Yn Select default reset
profile
P Set pulse dialing as
the default
&Zn=x Store telephone
number
Qn Result code control %En Auto fallback/
fallforward control
Sn Access S-register \An Select maximum MNP
block size