Airlink Response Codes, S-Registers, AT Commands, Host RJ-11 IP Gateway User Guide, version

AT Commands

Command	Function	Response
%X	Any % command is ignored	OK(0)
+X	Any + command is ignored	OK(0)
$Xn	Any $ command is ignored including 0	OK(0)
	or more digits after the command.

S-Registers

S Registers are 1 byte, volatile registers used to store configuration data. They are reset to the default state whenever modem emulation is enabled, or the ATZ/AT&F command is received. They can be saved to flash memory with the AT&W command. When the port is opened, the saved parameters are applied to the port.

Register	Contents	Default
S0	Automatic Answer(# of RING's)	0 (disabled)
S1	Number of RING's Received	0
S3	Command Line Termination Character	CR(13)
S4	Response Formatting Character	LF(10)
S5	Command Line Editing Character	BS(08)
S12	Guard time on either side of the +++	50
	sequence to break into command mode.
	Specified in 50ths of a second.

Response Codes

Result Code (ATV1)	Numeric (ATV0)	Reason
OK	0	Command Successful
CONNECT	1	Connection Established
RING	2	Incoming connection awaiting answer
NO CARRIER	3	Connection Terminated
ERROR	4	Error in AT command string
CONNECT 1200	5	Connected – Serial Port Speed is 1200 baud
NO DIALTONE	6	Not Used
BUSY	7	Not Used
NO ANSWER	8	Not Used
CONNECT 2400	10	Connected – Serial Port Speed is 2400 baud
CONNECT 4800	11	Connected – Serial Port Speed is 4800 baud
CONNECT 9600	12	Connected – Serial Port Speed is 9600 baud
CONNECT 14400	13	Connected – Serial Port Speed is 14400 baud

Host RJ-11 IP Gateway User Guide, version 42