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
X2 Enable Disable OK, RING, NO CARRIER, ERROR,
NODIALTONE, CONNECT
X3 Disable Enable OK, RING, NO CARRIER, ERROR, BUSY,
CONNECT , BLACKLISTED
X4 (default) Enable Enable OK, RING, NO CARRIER, ERROR,
NODIALTONE, BUSY, CONNECT ,
DELAYED, BLACKLISTED, REORDER,
WARBLE, CALL WAITING DETECTED
X5 Enable Enable OK, RING, NO CARRIER, ERROR,
NODIALTONE, BUSY, CONNECT ,
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.