You can set up a modem in three ways.
Dial-out service— You can access other systems, but nobody outside can gain access to this system.
Dial-in service— People can access this system from remote sites, but this system does not permit calls to the outside world.
Bidirectional service— This service provides both dial-in and dial-out capabilities.
Connect the modem to a serial port with an RS-232-C cable that has pins 2 through 8 and pin 20 wired straight through. You can also use a full 25-pin cable to connect the modem to the system. Ensure that all of the connections are secure.
The Solaris Operating Environment supports many popular modems. The following modems have been tested and qualified ...