ZyXEL Communications 2864 Series, User Manual, Page: 187 / 267

16–11
• AT+FCLASS=?
The DCE returns permitted modes. The response is (with
S57.4=1
):
0,1,2,2.0,6,8,Z
OK
• AT+V LH =?
This enables the DTE to inquire the hook status of the connected local phone. The
DCE will return 0 for on-hook and 1 for off-hook status.
• AT+V NH =<hook>
The DCE enables or disables automatic hang-up to a varying degree for data and
fax modes.
• AT+V NH ?
The DCE returns the current hang-up setting, followed by the
OK
result code.
• AT+V NH =?
The DCE returns permitted hang-up modes. The response is :
0,1,2
OK
• AT+ FLO =<
method
>
The DCE selects the type of flow control provided and used.
The DCE returns the
OK
result code if the DCE accepts the command. The DCE
returns the
ERROR
result code if the <
method
> subparameter is out of range.
<hook> Hook Control Description
0 The DCE retains automatic hang-ups as is normal in the other modes
(such as hanging up the phone when the DCE does not detect a data
carrier within a given time interval). (Default)
1 The DCE disables automatic hang-ups usually found in the other
Non-Voice Modes.
2 The DCE disables automatic hang-ups in the other Non-Voice Modes.
The DCE only performs a ”logical” hang-up (returns the
OK
result
code).
<method> Flow Control Method
0 XON/XOFF and RTS/CTS flow control is turned off.
1 Uses software XON/XOFF flow control in either direction.
2 Uses hardware RTS/CTS flow control.