ATO V.9256K Hn Hook control, In Request ID information

AT Commands	55
AT command formats

Hn Hook control

This command instructs the modem to go on-hook to disconnect a call, or off-hook to make the phone line busy.

H0 Modem goes on-hook (default).

H1 Modem goes off-hook.

Result Codes:

OK n=0,1

ERROR Otherwise

In Request ID information

This command displays product information about the modem.

I0 or	Returns the modem identity string and driver
I3	version number.
I1	Returns OK (no function).
I2	Returns OK (no function).
I4	Returns the driver build date.
I5	Returns the driver version, bus type (PCI,
	AC97), codec type, and country.
I6	Returns OK (no function).
I7	Returns the hardware version.
I8	Returns the codec type.
I9	Returns the country ID in English.
I10	Returns OK (no function).
I11	Returns connection information.