AT Command Summary (continued)

Command

Description

 

 

X4

Enables all result codes

 

 

Y0

Disable long space disconnect

 

 

Y1

Enable long space disconnect

 

 

 

 

 

 

Z0

Software reset; recalls user configuration 0

 

 

Z1

Software reset; recalls user configuration 1

 

 

&C0

DCD signal always on

 

 

&C1

DCD signal on when carrier present

 

 

 

 

 

 

&D0

Ignore DTR signal

 

 

&D1

Returns to command mode when an on-to-off DTR transition

 

 

 

occurs

 

 

 

 

 

 

&D2

Hangs up and returns to command mode when an on-to-off

 

 

 

DTR transition occurs

 

 

 

 

 

 

&D3

Resets when an on-to-off DTR transition occurs

 

 

&F

Loads factory configuration settings

 

 

&G0

No guard tone in CCITT mode

 

 

 

 

 

 

&G1

550 Hz guard tone in CCITT mode

 

 

&G2

1800 Hz guard tone in CCITT mode

 

 

&P0

Pulse dial make/break ratio = 39%/61%(U.S.)

 

 

 

 

 

 

&P1

Pulse dial make/break ratio = 33%/67%(U.K.)

 

 

&V

Display configuration values and dialog settings

 

 

 

 

 

 

&W0

Save storable parameters as user configuration 0

 

 

 

 

 

 

&W1

Save storable parameters as user configuration 1

 

 

 

 

 

 

&Y0

Load user configuration 0 on power up

 

 

&Y1

Load user configuration 1 on power up

 

 

 

 

 

 

&Z n=x

Store phone number x in location n(n=0-3)
Fax/Modem B-5