MICROSOFT has developed a Skype-style free internet voice service for mobile phones that City analysts believe could wipe billions off the market value of operators such as Vodafone.
The service is included in a mobile version of Microsoft Office Communicator due to be released this year. It will take the form of a voice-over internet protocol (VoIP) application that allows Office users to make free voice calls over wi-fi enabled phones running Windows Mobile software. It uses the internet as a virtual phone network as well as accessing e-mail, PowerPoint and other Office applications.
Microsoft chief executive Steve Ballmer dropped his bombshell at the mobile operators’ annual 3GSM show in Barcelona last week. The significance of his remarks was missed because of his effusive and eccentric delivery.
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Microsoft to offer free internet voice service VOIP 
