VoIP Market Expected to Double by 2021

New research from Transparency Market Research predicts that the Voice over Internet Protocol (VoIP) services market will expand nearly 10 percent each year until 202, nearly doubling the market's size.

According to this recently released study, the global VoIP services market was valued at $70.9 billion in 2013 and is expected to grow to an estimated $136.76 billion by 2021, with a subscriber base of roughly 348.5 million.

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