Toshiba Satellite 2430 User Manual page 179

Xn Result code selection, call progress monitoring
This command sets detection options for dial tones and busy signals,
which is its primary function. It also, however, enables or disables
extended result codes.
Refer to table H-1 for country-specific codes.
Command
X0
X1
X2
X3
X4 (default)
X5
X6
X7
Extended result codes
Dial tone detect
Busy tone detect
Satellite 2430 Series
Extended result
code
Disable
Enable
Enable
Enable
Enable
Enable
Enable
Disable
Displays only the basic result codes OK, CONNECT,
Disabled:
RING, NO CARRIER, and ERROR.
Enabled: Displays basic result codes, along with the connect
message and the modem's data rate, and an
indication of the modem's error correction and data
compression operation.
Disabled: The modem dials a call regardless of whether it
detects a dial tone. The period of time the modem
waits before dialling is specified in register S6.
Enabled: The modem dials only upon detection of a dial tone,
and disconnects the call if the dial tone is not
detected within 10 seconds.
Disabled: The modem ignores any busy tones it receives.
Enabled: The modem monitors for busy tones.
Result Codes:
OK
n=0,1,2,3,4,5,6,7
ERROR Otherwise
Dial tone Busy signal
detect detect
Disable Disable
Disable Disable
Enable Disable
Disable Enable
Enable Enable
Enable Enable
Enable Enable
Enable Enable
AT Commands
H-7