AT Command Summary (continued)
Command
X4
Y0
Y1
Z0
Z1
&C0
&C1
&D0
&D1
&D2
&D3
&F
&G0
&G1
&G2
&P0
&P1
&V
&W0
&W1
&Y0
&Y1
&Z n=x
Description
Enables all result codes
Disable long space disconnect
Enable long space disconnect
Software reset; recalls user configuration 0
Software reset; recalls user configuration 1
DCD signal always on
DCD signal on when carrier present
Ignore DTR signal
Returns to command mode when an on-to-off DTR transition
occurs
Hangs up and returns to command mode when an on-to-off
DTR transition occurs
Resets when an on-to-off DTR transition occurs
Loads factory configuration settings
No guard tone in CCITT mode
550 Hz guard tone in CCITT mode
1800 Hz guard tone in CCITT mode
Pulse dial make/break ratio = 39%/61%(U.S.)
Pulse dial make/break ratio = 33%/67%(U.K.)
Display configuration values and dialog settings
Save storable parameters as user configuration 0
Save storable parameters as user configuration 1
Load user configuration 0 on power up
Load user configuration 1 on power up
Store phone number x in location n(n=0-3)
B-5
Fax/Modem