Windows Marketplace V.90 - Manual (Page 31)

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Result Codes:
OK n = 1
ERROR Otherwise
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 specific product information about the modem.
I0: Returns default speed and controller firmware version. (same as I3)
I1: Calculates ROM checksum and displays it on the DTE (e.g., 12AB).
I2: Performs a ROM check and calculates and verifies the checksum dis-
playing OK or ERROR.
I3: Returns the default speed and the controller firmware version. (same as
I0)
I4: Returns firmware version for data pump (e.g., 94).
I5: Returns the board ID: software version, hardware version, and country
ID.
I6 Response OK
I7 Response OK
I8 Response OK
I9: Returns country code (e.g., North America Ver. 1).
Result Codes:
OK n = 0-9
ERROR Otherwise
Ln Monitor Speaker Volume
This command sets speaker volume to low, medium, or high.