tabs - shared - communication

·Enable Modem(DISABLED)  
Enables virtual modem emulation  
·Comport  
Configures the virtual comport DOS games should look for a modem connection  
·Port number  
This is the TCP/IP port DOSBox will listen on for incoming virtual modem calls.  
 
·Enable Direct serial connection  
I'd love to tell you all about this but there's absolutely no documentation on this functionality.