Toshiba TECRA A2 User Manual page 197

T Select tone dialing
This command instructs the modem to send DTMF tones while dialing.
Dialed digits are tone dialed until a P command or dial modifier is received.
This is the default setting.
Vn DCE response format
This command controls whether result codes (including call progress and
negotiation progress messages) are displayed as words or their numeric
equivalents.
Xn Result code selection, call progress monitoring
This command selects which result codes will be used by the modem.
Command Dial tone
detect
X0 Disable
X1 Disable
X2 Enable
X3 Disable
X4 (default) Enable
X5 Enable
User's Manual
V0 Displays result codes as digits.
V1 Displays result codes as text (default).
Result Codes:
n=0,1
OK
ERROR Otherwise
Busy
signal
detect
Disable
Disable
Disable
Enable
Enable
Enable
Supported Result Code
OK, CONNECT, RING, NO CARRIER,
ERROR
OK, RING, NO CARRIER, ERROR,
CONNECT <RATE>
OK, RING, NO CARRIER, ERROR,
NODIALTONE, CONNECT <RATE>
OK, RING, NO CARRIER, ERROR, BUSY,
CONNECT <RATE>, BLACKLISTED
OK, RING, NO CARRIER, ERROR,
NODIALTONE, BUSY, CONNECT <RATE>,
DELAYED, BLACKLISTED, REORDER,
WARBLE, CALL WAITING DETECTED
OK, RING, NO CARRIER, ERROR,
NODIALTONE, BUSY, CONNECT <RATE>,
RRING, NO BONGTONE, DELAYED,
BLACKLISTED, REORDER, WARBLE, CALL
WAITING DETECTED
AT Commands
C-5