Voice over Internet Protocol (VoIP) telephone services, which 2006 counted less than 38 mln subscribers worldwide, should have a subscriber base of over 267 mln in 2012, ABI Research says.
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Voice over Internet Protocol (VoIP) telephone services, which 2006 counted less than 38 mln subscribers worldwide, should have a subscriber base of over 267 mln in 2012, ABI Research says.