The newest release of Yahoo Messenger app enables Users to make free 3G voice and Video calls from there iPhones to any Yahoo Messenger account.

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The App offers multitasking on the iPhone 3GS and iPhone 4, 3G / WiFi video calling (iPhone to iPhone, iPhone to Android or iPhone to PC/Mac) as well as receive instant notifications.

Yahoo Messenger 2.0 for iPhone is free, and can be downloaded from App Store here.