AT Commands

63

AT command formats

Result Codes:

OK n=0,1

ERROR Otherwise

Wn Result Code Option

W0 CONNECT result code reports DTE speed.

Disable protocol result codes.

W1 CONNECT result code reports DTE speed.

Enable protocol result codes.

W2 CONNECT result code reports DCE speed.

Enable protocol result codes (default).

Result Codes:

OK n=0,1,2

ERROR Otherwise

Xn Result code selection, call progress monitoring

This command sets detection options for dial tones and busy signals, which is its primary function. However, it also enables or disables extended result codes.

 

Extended

Dial tone

Busy signal

Command

Result code

Detect

Detect

 

 

 

 

X0

Disable

Disable

Disable

X1

Enable

Disable

Disable

X2

Enable

Enable

Disable

X3

Enable

Disable

Enable

X4

Enable

Enable

Enable

(default)

 

 

 

X5

Enable

Enable

Enable