How can IMS and VoLTE improve customer satisfaction and retention?

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If you are a mobile operator or a subscriber, you might have heard of IMS and VoLTE, two technologies that can enhance your voice and data services. But what are they, and how can they improve your customer satisfaction and retention? In this article, we will explain the basics of IMS and VoLTE, and how they can benefit both operators and subscribers in terms of quality, cost, and flexibility.

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Asad Khan

Systems Solution Architect @ Ericsson | TelcoCloud Trainer, NFV Professional

1 What is IMS?

IMS stands for IP Multimedia Subsystem, a framework that enables the delivery of multimedia services over IP networks. IMS is based on 3GPP standards, and it can support various types of services, such as voice, video, messaging, presence, and conferencing. IMS can also integrate with other networks, such as Wi-Fi, fixed-line, or cable, to provide seamless access and roaming.

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2 What is VoLTE?

VoLTE stands for Voice over LTE, a technology that allows voice calls to be carried over the LTE network, instead of the traditional circuit-switched network. VoLTE uses IMS as the core platform, and it can offer high-definition voice quality, faster call setup, and lower battery consumption. VoLTE can also enable rich communication services, such as video calls, group chats, and file sharing.

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Asad Khan

Systems Solution Architect @ Ericsson | TelcoCloud Trainer, NFV Professional
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In layman terms VoLTE can be understood as the wireless equivalent of VoIP. Technically voice can be transferred over IMS but VoLTE is created only for regulation purposes

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3 How can IMS and VoLTE improve quality?

One of the main benefits of IMS and VoLTE is that they can improve the quality of voice and data services for both operators and subscribers. For operators, IMS and VoLTE can simplify the network architecture, reduce the operational and maintenance costs, and optimize the spectrum utilization. For subscribers, IMS and VoLTE can provide clearer and more natural voice quality, smoother video calls, and more reliable data connections.

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Asad Khan

Systems Solution Architect @ Ericsson | TelcoCloud Trainer, NFV Professional
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I don’t think IMS and VoLTE improves any voice quality. The voice quality is improved by the use of AMR-Wideband codecs which are in use since 2G

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4 How can IMS and VoLTE reduce cost?

Another benefit of IMS and VoLTE is that they can reduce the cost of voice and data services for both operators and subscribers. For operators, IMS and VoLTE can lower the capital expenditure, as they can use the same network infrastructure for voice and data. They can also save on the interconnection fees, as they can use IP-based peering instead of circuit-switched connections. For subscribers, IMS and VoLTE can offer more affordable voice and data plans, as they can use the same data allowance for voice and data. They can also save on the roaming charges, as they can use Wi-Fi calling or local breakout.

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5 How can IMS and VoLTE increase flexibility?

A third benefit of IMS and VoLTE is that they can increase the flexibility of voice and data services for both operators and subscribers. For operators, IMS and VoLTE can enable them to offer more innovative and customized services, such as voice over Wi-Fi, video over LTE, or voice over 5G. They can also leverage the cloud and virtualization technologies to scale up or down their network capacity and functionality. For subscribers, IMS and VoLTE can give them more choices and control over their communication preferences, such as selecting the best network access, switching between voice and video modes, or using multiple devices or numbers.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Jorge Ca?as

Principal Product Manager - Simplifying cloud-based mobile networks at Microsoft
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I think the article has good information, but I don't think it makes a good case for the question it set out to answer, namely that it doesn't provide concrete arguments for how IMS improves customer satisfaction, and much less customer retention.

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How can IMS and VoLTE improve customer satisfaction and retention?

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1 What is IMS?

2 What is VoLTE?

3 How can IMS and VoLTE improve quality?

4 How can IMS and VoLTE reduce cost?

5 How can IMS and VoLTE increase flexibility?

6 Here’s what else to consider

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