Global VoLTE Connections to Reach 3.33 billion by 2021, says Ovum

Global voice-over-LTE (VoLTE) connections will grow to 3.33 billion by 2021, according to research by analyst firm Ovum. There are currently 324 million VoLTE connections but Ovum believes that by 2021 the technology will have penetrated 53% of total …
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