MetroPCS to start using voice over LTE 4G in early 2012

MetroPCS has confirmed plans to transition to voice-over-LTE (VoLTE) communications early next year. During a conference call that focused on recent earnings, chief executive Roger Linquist suggested the company is already deploying technology that will be necessary to jump from a circuit-switched voice system to the IP Multimedia Subsystem (IMS) technology....



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