The following task shows how to enable the dial-in server to open communications with any dial-out system. The options that are defined in the following PPP configuration files determine how communications are established.
/etc/ppp/options
/etc/ppp/options.ttyname
For detailed information about these files, refer to Using PPP Options in Files and on the Command Line.
Before you proceed, you should have done the following:
Configured the serial port and modem on the dial-in server, as described in How to Configure the Modem and Serial Port on a Dial-In Server.
Configured information about the prospective users of the dial-in server, as described in How to Configure Users of the Dial-In Server.