參考：http://www.linkbyte.com/ubb/Forum6/HTML/000013.html

Ports 6891-6900 enable File send,
Port 6901 is for voice communications
Allows Voice, PC to Phone, Messages, and Full File transfer capabilities.
Thnx to Brad King & Bill Finch Jr.
IN TCP 6891 - 6900
IN TCP 1863
IN UDP 1863
IN UDP 5190
IN UDP 6901
IN TCP 6901