On 01/08/18, Tony Langdon said the following...   
       
    TL>  JH> Indeed. I'm looking for something that'd let me run "something"   
    TL>  JH> (FroDo) under "something" (DOSbox in Linux) and still believe it's   
    TL>  JH> talking to a standard COM port and modem.   
    TL> Hmm, doesn't DOSBox offer this already?     
      
   serial1=modem listenport:31337   
      
   You can "dial" telnet URLs like phone numbers. Sadly most DOS terminals don't   
   have much space in the for full URLs in their phone books.   
      
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