Typically, VoIP is voice traffic that's carried over the public Internet. The launch of 4G LTE, and wireless hotspots in major cities around the globe, has brought about a downward trend in traditional switched telecom network activity. VoIP is more efficient than PSTN, and technology improvements in these areas have been instrumental in allowing VoIP to spread to the mobile environment. Market Development for VoIP Apps Juniper Research has revealed that the number of Voice over LTE (VoLTE) subscribers will rise from 488 million in 2016 to 3 billion in 2021, as network operators reap the benefits from widespread 4G infrastructure roll-outs. According to the Juniper assessment, there are now 165 operators in 73 countries investing in VoLTE, including 102 operators that have commercially launched an HD voice service using VoLTE in 54 countries. The market study found that the number of users adopting VoLTE services will likely overtake subscribers of Over-the-Top voice app ...
TMT Market Research and Analysis