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There will be 288m mobile voice-over-IP (VoIP) users by 2013, generating annual revenues of USD35.2bn, according to market research firm In-Stat. More than 50% of these will use online mobile VoIP providers, nearly 33% will access the service via their mobile operator or 3G MVNO, and 11% will use 4G WiMAX or LTE operators. According to the report, the Asia-Pacific region will see the biggest growth rates and overtake Europe to become the market leader.
