VSPD Mobile - Sharing serial ports
Starting from version 4.2, we introduce new feature of sharing virtual serial ports among any number of applications. This is a good solution for those, who want to operate one virtual serial port by using several applications simultaneously. To share virtual serial port in Windows Mobile Smartphone, please, select serial port you want to share, click left soft key, click "4" button and then "7" button:
In order to share virtual serial port, please, select serial port you want to share and click the corresponding icon 
in Windows CE or Windows Mobile Pocket PC.