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Voice over 5G (Vo5G)


Reports indicate Reliance Jio, India’s largest mobile carrier, has been testing Voice over New Radio (VoNR) behind the scenes.


GS III: Science and Technology

Dimensions of the Article:

  1. Voice over 5G (VoNR): An Overview
  2. Advantages of VoNR Over VoLTE (Voice over LTE)

Voice over 5G (VoNR): An Overview

  • Alternate Name: Voice over 5G is also known as Voice over New Radio (VoNR).
  • Upgrade from 4G: VoNR is a standard that facilitates voice calls over 5G networks, replacing the existing standard that relies on 4G networks.
  • Leveraging 5G: VoNR takes advantage of the improvements offered by 5G, including increased speed, capacity, and responsiveness, and applies them specifically to voice communication.
  • Infrastructure Preparedness: The goal of VoNR is to ensure that the necessary infrastructure and interoperability are in place well before its widespread implementation.
  • Requirements: To use VoNR, three key elements are necessary: a phone that supports VoNR, a carrier that offers VoNR services, and access to a 5G signal in the user’s area.

Advantages of VoNR Over VoLTE (Voice over LTE):

  • Enhanced Bandwidth and Lower Latency: VoNR benefits from 5G’s significantly higher bandwidth and reduced latency compared to 4G LTE.
  • Advanced Audio Codecs: It employs more advanced audio codecs, resulting in superior voice clarity and fidelity, enabled by 5G’s increased data capacity.
  • Faster Call Connection: VoNR promises quicker call connection times, ensuring a seamless and prompt user experience.
  • Reduced Call Drops: VoNR aims to address the problem of call drops, particularly during transitions between 5G and 4G networks.
  • Improved Reliability: Lower packet loss contributes to better call reliability, minimizing instances of voice interruptions during calls.

-Source: Indian Express

February 2024