17
N1
Enable Autoscan mode
O_
O0
Return to Data Mode
O1
Return to Data Mode and initiate an
equalizer retrain
P
Set Pulse dial as default
Q_
Q0
Modem sends responses
Q1
Modem does not send responses
Sr?
Read and display value in register r.
Sr=n
Set register r to value n (n = 0-255).
T
Set Tone Dial as default
V_
V0
Numeric responses
V1
Word responses
W_
W0
Report DTE speed only
W1
Report line speed, error correction
protocol, and DTE speed.
W2
Report DCE speed only
X_
X0
Hayes Smartmodem 300 compatible
responses/blind dialing.
X1
Same as X0 plus all CONNECT
responses/blind dialing
X2
Same as X1 plus dial tone detection
X3
Same as X1 plus busy
detection/blind dialing
X4
All responses and dial tone and
busy signal detection
Y_
Y0
Modem does not send or respond
to break signals
Y1
Modem sends break signal for four
seconds before disconnecting
Z_
Z0
Reset and retrieve active profile 0
Z1
Reset and retrieve active profile 1
3.4 Extended AT Commands
