• Computer Business Review , Thursday, May 31, 2012 3 AM

Rebtel, the largest independent voice over internet phone (VOIP) provider after Skype has released its research which shows that almost 60% of the UK's total smartphone users would switch networks if they knew that their mobile operators were blocking or slowing down Over The Top services, such as Viber and Facetime. That would account for 18 million UK subscribers. Mobile communications companies such as Vodafone are seeing traditional voice call and text message volumes fall, as OTT data services such as iMessage and Skype take over, which run through users data allowances instead -- often for free. This means that the cost of infrastructure is going up, while the telcos margins on services fall.

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