Facebook Rolls Out Free VoIP Calling in U.S. iPhone Messenger App

17 Jan 2013  /  10:18am  /  By Joy Hou & Leo Boon Yeow

Facebook has just launched a free VoIP call service via their Messenger app for iPhones. This feature is limited to U.S. iPhones for now, with no further information on when this feature will appear for users beyond U.S.