This simple application allows you to power on your computer wirelessly using your Symbian phone. It works by sending the famous magic packet over WIFI to a computer connected to an ethernet wired network. The main feature of this application is the single click wake on lan : once the application is configured, every time you click on the icon, your computer is powered on and the application automatically exit after a few seconds.

http://code.google.com/p/wakeonlan-s60/