Host-Based Controller Modem AT Command Set User's Manual

Host-Based Controller Modem Data Addendum

AT Command Set June 15, 1998

AT Command Reference (continued)

Lucent Technologies Inc. Version 1.0

Wn Result Code Option

W0: CONNECT result code reports DTE receive speed. Disable protocol result codes.

W1: CONNECT result code reports DTE receive speed. Enable protocol result codes.

W2: CONNECT result code reports DCE receive speed. Enable protocol result codes (default).

Result Codes:

OK n = 0, 1, 2

ERROR Otherwise

Xn Result Code Selection and Call Progress Monitoring

This command enables tone detection options used in the dialing process. As these functions are chosen, the

modem chip set’s result codes are also affected. Therefore, this command is frequently used to control the

modem chip set’s responses. The primary function of this control is to control the modem chip set’s call response

capabilities.

Ext. Result Code

Dial Tone Detect

Busy Tone 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

X6 Enable Enable Enable

X7 Disable Enable Enable

Extended Result Codes

Disabled: Displays only the basic result codes OK, CONNECT, RING, NO CARRIER, and ERROR.

Enabled: Displays basic result codes, along with the connect message and the modem's date rate,

and an indication of the modem's error correction and data compression operation.

Dial Tone Detect

Disabled: The modem dials a call regardless of whether it detects a dial tone. The period of time

the modem waits before dialing is specified in register S6.

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, 6, 7

ERROR Otherwise