The number of VoLTE connections will grow to 3.33 billion by 2021, according to the latest research from leading research and advisory firm Ovum. VoLTE currently stands at just 324 million connections, but by 2021 the technology will have penetrated 53% of total cellular subscriptions worldwide. Ovum has found that operators are strengthening their commitment to roll-out VoLTE services in the efforts to reduce costs and are being encouraged by a growing number of compatible devices and successful VoLTE service launches by competitors.
According to Ovum, the main reason driving growth of VoLTE services will be the need for operators to reduce costs, moving services from voice to mobile broadband. In the near term, the rapidly-increasing availability of standardized VoLTE devices will drive growth, while successful VoLTE service launches, such as by EE in summer this year, are already demonstrating clear operator benefits that that are encouraging other mobile operators to commit and launch their own services.
“The main reason operators are strengthening their commitment to roll-out VoLTE today is for cost reduction,” says Craig Skinner, Principal Analyst at Ovum. “The better spectral efficiency of moving voice to VoLTE allows spectrum to be re-purposed for mobile broadband. Longer-term, there is the potential to shut down legacy 2G/3G networks and simplify the network.”
Looking outside the UK, while North America has the majority of VoLTE connections today, the Oceania, Eastern & Southern Asia region will overtake it by the end of 2016. This trend will continue to dominate until 2021. “North America and the more developed countries within Asia and Western Europe will see close to or all LTE subscriptions being VoLTE enabled by 2021,” Skinner added. “This will drive uptake over the period at a CAGR rate of 59%.”
By the end of 2021, the countries with the highest number of VoLTE connections will be China (1.08 billion), the United States (379 million) and Japan (147 million). VoLTE will also make up the vast majority of total subscriptions in certain advanced markets, with countries such as South Korea (99.4%), Japan (96.7%) and Norway (94.1%) predicted to have the highest penetration rates.
Paul Lambert, Senior Analyst at Ovum concludes: “Although there are direct benefits from VoLTE to end-users in terms of faster call set-up times, simultaneous voice-and-data sessions and improved voice quality, it is operators rather than consumers that are driving VoLTE uptake. In the future operators will be able to use VoLTE to offer new services, or enhance existing services with new features.”
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