  PPP, modems, and dial-up? 
 The Question is:
 
how do I set up a port to accept incoming dialup PPP connections via a modem?
 
 The Answer is:
 
  Please see the existing PPP discussions here in Ask The Wizard,
  please also see the existing modem-related discussions, and please
  then see the PPP documentation that is present on your system.
