Telnet on Windows 7

By default Telnet is not installed on Windows7 and you get this error message:

'telnet' is not recognized as an internal or external command,

operable program or batch file.

Solution:
Turn on this feature in Control Panel as explained here:
http://www.tech-recipes.com/rx/4230/windows-7-install-the-telnet-client/

I found a link that explains the list of features for Windows Vista. Most of it is relevant to Windows 7 too:
http://www.bleepingcomputer.com/tutorials/tutorial134.html