How VoLTE Wi-Fi Calling will Transform Smartphone Usage
Voice-over-LTE (VoLTE) will grow rapidly to reach almost 2.5 billion in 2022. VoLTE will provide a catalyst for Wi-Fi Calling services, growing from 22 million in 2015 to almost 800 million in 2022. Meanwhile, circuit-switched calls will decline to 60% of voice traffic on mobiles by 2022.
Source: Strategy Analytics