<a href="skype:athrunsoft?call"><img src="http://mystatus.skype.com/athrunsoft" border="0"></a>
功能/設定選項/進階/進階設定/"將skype與callto做連結",這個有打勾.
http://it.news.tom.com/2008-02-19/07FD/34752563.html
http://skype.tom.com/help/skypebuttons/advanced.html
Skype API http://wenku.baidu.com/view/224b5fc49ec3d5bbfd0a7454.html