Toshiba SATELLITE PRO A120, Tecra A8 Dial tone detect, Busy tone detect, Zn Recall stored profile

AT Commands

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

Dial tone detect

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.

Busy tone detect

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

ERROR Otherwise

Zn Recall stored profile

The modem performs a soft reset and restores (recalls) the configuration profile according to the parameter supplied. If no parameter is specified, zero is assumed. Either Z0 or Z1 restores the profile.

Result Codes: OK n=0,1 ERROR Otherwise

&Cn Data Carrier Detect (DCD) control

Data Carrier Detect is a signal from the modem to the computer indicating that a carrier signal is being received from a remote modem. DCD normally turns off when the modem no longer detects the carrier signal.

&C0 The state of the carrier from the remote modem is ignored. DCD circuit is always on.

&C1 DCD turns on when the remote modem’s carrier signal is detected, and off when the carrier signal is not detected (default).

C-6 User’s Manual