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Host-Based Controller Modem Data Addendum
AT Command Set June 15, 1998
AT Command Reference (continued)
Lucent Technologies Inc. Version 1.0
8
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 modem identity string and driver version number, same as I3.
I1: Calculates ROM checksum and displays it on the DTE.
I2: Performs a ROM check and calculates and verifies the checksum displaying OK or
ERROR.
I3: Returns modem identity string and driver version number, same as I0.
I4: Returns firmware version for data pump.
I5: Returns the board/firmware ID and country ID in hexadecimal (for Apollo).
Returns the code ver, board ID, country ID and subsystem vendor ID in hexadecimal (for
MARS).
I6-8: Returns OK for compatibility.
I9: Returns country ID in English.
I11: Displays connection information as described in the following example.
Result Codes:
As described n = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11
ERROR Otherwise