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Voice is the king of communication and in a 5G world it will be more important than ever, through various types of use cases. To enable service provider voice calls on 5G smartphones, the network infrastructure used for VoLTE today will also be used to enable 5G voice calls.


The journey to 5G has several possible mobile network migration paths and steps, and voice services must be supported in all evolution steps. We have outlined a series of papers to help you understand how to take today’s VoLTE based voice services into 5G, explaining various network deployment models. Download today and take your deep dive into the network evolution aspects of 5G voice.

Introduction: VoLTE Whitepaper

Start here and learn more about communication services over LTE,
Wi-Fi and 5G.

Deep dive 1: 5G Voice

This is the first paper in a series of 5G Voice papers where you will get an explanation of different deployment models when it comes to voice services in 5G. The focus of this paper is “Prerequisites for voice services in 5G and 3GPP option 3 deployment”.

Deep dive 2: 5G Voice

The second paper in our 5G Voice deployment series focuses on voice services in a 5G System with 3GPP option 2 deployment.

Deep dive 3: 5G Voice

Voice over NR in a 5G System and migration from Evolved Packet System Fallback.

Deep dive 4: 5G Voice

Evolution towards pure 5G System and NR.

Deep dive 5: 5G voice

SMS and emergency calls

Related offerings

VoLTE

Find out how to get your network ready for 5G voice, by deploying VoLTE in just weeks in your network, using our cloud-based VoLTE solutions for service providers, MVNOs and mission critical networks.

5G Core

The Ericsson Cloud Core solutions for 5G delivers cloud native applications that supports both 5G EPC and the 5GC architectures. 5G core and EPC also support VoLTE and 5G voice services.

Future Digital Blog

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Evolve communication services • Dec 06, 2018

Deploy VoLTE for a better user experience and get ready for 5G voice

Do you know how to improve your voice services offering to improve customer experience using all the benefits of VoLTE? Did you know that to launch 5G smartphones, you also need to have deployed VoLTE first to also enable 5G voice?

Evolve communication services • Sept 17, 2018

5G voice for smartphones: Network prerequisites

Everyone is talking about 5G and what it should be used for. Everyone probably expects that a 5G mobile phone should, by default, have all the capabilities a 4G mobile phone has plus new 5G capabilities—to justify the 5G icon visible on the screen.


Evolve communication services • Apr 25, 2018

Deliver high-quality voice services in LTE today and be prepared for 5G

Get the latest updates about VoLTE delivering high-quality voice services in LTE networks today, on all kinds of devices for consumers and enterprise users.