Apple has announced FaceTime application for Mac which will allow video call with iPhone 4, new iPod Touch and another Mac right from your Mac.
FaceTime for Mac requires Mac OS X Snow Leopard v10.6.4 or later and is easy to set up with an Apple ID whereas your iPhone 4 and iPod Touch should be with iOS 4.1 installation.
The public beta version of Facetime for Mac is available now for download, so grab it from following link to try.
Read out Facetime for Mac press release to know further details about this application.