Microsoft takes on Skype with the launch of Windows Live Messenger

Microsoft is upping the ante on VoIP tie-ins with the launch of its new Windows Live Messenger.Essentially an revamp of MSN Messenger, the IM service now offers VoIP calling as well as full-screen video chat thanks to Microsoft's new LifeCams that were launched last week.MSN Messenger is one of the most popular services world-wide, with over 200 millions users in April.The popularity of the service and high numbers of registered users gives Microsoft an edge over VoIP competitors like . Users may find it easier to plug straight into Microsoft's voice system rather than register with another company's service.