AT Commands

67

AT command formats

&Gn V.22bis guard tone control

This command determines which guard tone, if any, to transmit while transmitting in the high band (answer mode). This command is only used in V.22 and V.22bis mode. This option is not used from North America and is for international use only.

&G0

Guard tone disabled (default).

&G1

Sets guard tone to 550 Hz.

&G2

Sets guard tone to 1800 Hz.

Result Codes:

OK n=0,1,2

ERROR Otherwise

&Kn Local flow control selection

&K0

Disables flow control.

&K3

Enables RTS/CTS flow control (default).

&K4

Enables XON/XOFF flow control.

Result Codes:

OK n=0,3,4

ERROR Otherwise