AT Commands

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.

V0 Displays result codes as digits.

V1 Displays result codes as text (default).

Result Codes: OK n=0,1 ERROR Otherwise

Xn

Result code selection, call progress monitoring

 

This command selects which result codes will be used by the modem.

 

 

 

 

Command

Dial tone

Busy

Supported Result Code

 

detect

signal

 

 

 

detect

 

 

 

 

 

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

 

 

 

 

User’s Manual

C-5

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Toshiba A50 user manual Select tone dialing, Vn DCE response format, Result code selection, call progress monitoring