The VoLTE journey: From 488 million to 3 billion subscribers by 2021
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...