Toshiba Libretto U100 - Manual (Page 208)

C-6 User’s Manual
AT Commands
Xn Result code selection, call progress monitoring
This command selects which result codes will be used by the modem.
Dial tone detect
Busy tone detect
Result Codes:
OK
n=0,1,2,3,4,5
ERROR
Otherwise
Command Dial tone
detect Busy
signal
detect
Supported Result Code
X0 Disable Disable OK, CONNECT, RING, NO CARRIER,
ERROR
X1 Disable Disable OK, RING, NO CARRIER, ERROR,
CONNECT <RATE>
X2 Enable Disable OK, RING, NO CARRIER, ERROR,
NODIALTONE, CONNECT <RATE>
X3 Disable Enable OK, RING, NO CARRIER, ERROR, BUSY,
CONNECT <RATE>, BLACKLISTED
X4 (default) Enable Enable OK, RING, NO CARRIER, ERROR,
NODIALTONE, BUSY, CONNECT <RATE>,
DELAYED, BLACKLISTED, REORDER,
WARBLE, CALL WAITING DETECTED
X5 Enable Enable OK, RING, NO CARRIER, ERROR,
NODIALTONE, BUSY, CONNECT <RATE>,
RRING, NO BONGTONE, DELAYED,
BLACKLISTED, REORDER, WARBLE, CALL
WAITING DETECTED
Disabled: The modem dials a call regardless of whether it detects a dial
tone.
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.