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49
Using the Internal Modem
Basic operation
5.375 x 8.375 ver 2.4.0
Receiving a call
To set the number of rings before the internal modem
automatically answers the phone, set the S0 register as
follows:
ATS0=* and press Enter.
The asterisk * indicates the number of rings.
See “S-Register values” on page 82 for more details.
Terminating a call
The methods for terminating a call depend on the status of the
connection.
❖ If the internal modem is dialing or has not yet gone
online, you can terminate a call by pressing any key.
❖ If the terminal is online, enter the escape code (+++), then
type:
ATH and press Enter.
❖ If the remote party disconnects, the call will be
automatically cut off.
❖ If the power to the computer is cut off, the call is
terminated.
Setting the data flow control
Data flow control is used to start and stop data transmission
according to the status of the data buffer (full or empty). The
following describes how to set the data flow control method:
❖ CTS/RTS (hardware control)
❖ XON/XOFF (software)
Also, see “MNP and V.42” on page 95.