As well as keeping this blog up to date with all thats new in RTC I thought it might be useful to include any tips, tricks or hints I come across that I think might be useful to know.

If you want to find out the ports used by Windows Messenger for instant messaging,  file transfer,  audio and video then take a look at the following article on the Microsoft site

http://support.microsoft.com/default.aspx?scid=KB;EN-US;903056