Shared Serial Ports is an advanced utility, the purpose of which is to share real serial ports between multiple applications in the way that all applications will receive same data from real serial port simultaneously. Shared Serial Ports can be used for serial port emulation, as it connects real serial ports by creating virtual serial ports, which are same copies as real ones. Each application will think that it is working with serial port in exclusive mode.

DEKSI Modem Pooling (DMP) is an ... allows you to use any serial (COM) port on a remote ... TCP/IP network connection. Sharing COM ports means sharing resources like modems, ... unnecessary hardware costs. Sharing COM ports means sharing resources like modems, ... evaluation of DEKSI Modem Pooling software.