Moreover, it also supports video and voice calling over 3G networks, unlike Apple’s FaceTime feature. Unfortunately though, video calling using iPod touch 4G isn’t supported yet, and we are not sure why is that, given that the front-facing camera on both the iPhone 4 and iPod touch 4G are same.
Connect with your IM friends using video and voice with the newest Yahoo! Messenger app for your iPhone. Make free voice and video calls to your Messenger friends, low cost calls to land line or mobile phones, video calls—plus get new features like multitasking, instant notifications and free SMS.
Yahoo Messenger 2.0 for iPhone is free, and can be downloaded from the link given below
Download Yahoo Messenger 2.0 for iPhone [iTunes Link]
