VoLTE is coming... for many of us

What is VoLTE?

VoLTE stands for Voice Over Long Term Evolution (LTE) and is essentially the technological solution for providing a digital packet voice service over IP via an LTE access network. In other words, voice calls are processed over a 4G LTE network, rather than the 2G or 3G networks which are typically used.

What are the benefits of VoLTE?

The implementation of VoLTE offers several benefits, but I believe the success of this service will rely on these:

  • Improved call quality and faster connection. With VoLTE, call quality is superior to 3G or 2G connections as far more data can be transferred over 4G than 2G or 3G. According to some researches, up to 3 times as much data as 3G and up to 6 times as much as 2G. Furthermore, VoLTE can connect calls much quicker (up to 2 times) than the existing 2G and 3G networks.
  • Better battery life. According to some researches, the use of VoLTE can increase handset battery life by 40%. This is explained by the fact that, without VoLTE, whenever you make or receive a call the phone must switch from 4G to 2G or 3G, and then, once the call is finished, it switches back again. All that switching can reduce the handset’s battery life.
  • Enabler of more spectrum efficiency. Firstly, if VoLTE is expected to be the most prominent use of voice services, the need for 2G or 3G would reduce dramatically. In this context, the spectrum used for 2G and 3G could potentially be repurposed to increase capacity on 4G networks.

Article written by Álvaro Neira
Manager. Axon Partners Group Consulting

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