All of us are familiar with the terms LTE, VoLTE, and VoWiFi. We keep seeing this nowadays whenever there is a talk of communication. Have you ever wondered what these terms stand for? What they really mean? And what exactly is the use of it?

Let’s discuss why these are some basic features one really needs to know about as far as communication is concerned in today’s world.


We are fast-forwarding ourselves from 2G to 3G to 4G and 5G soon. Communication has never been more frequent and coherent. We need uninterrupted communication to manage almost everything ranging from work to personal lives. LTE and after that VoLTE have played a very crucial part in it. Let’s understand what they really mean.

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It stands for Long Term Evolution (LTE), the main advantage is that it is standard for high-speed cellular data communication systems, which provides nearly 100 Mbps downloading and about 50 Mbps uploading speed. Although It does not work well for a good voice call when one is using the data services.

LTE, VoLTE and VoWiFi: What are their specifications


It stands for Voice over Long Term Evolution (VoLTE). It is a much-standardized system when it comes to making high-definition voice calls. The user can make voice calls while using the data services and the quality of the voice call will not be affected at all.

Difference between LTE and VoLTE

There is hardly anyone who has a smartphone and doesn’t have these services.

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VoLTE is an upgrade to LTE, one can say it is the starting point for the evolution of voice and communication services be it packet-switched networks, LTE, Wi-Fi, or 5G.

LTE, VoLTE and VoWiFi: What are their specifications

Nowadays to enable the globally interoperable IP-based voice and communication services this is the mainstream mobile network technology.

VoLTE enables a high-definition voice service experience across a multitude of devices and end-points. It also supports voice for IoT using Cat-M1. It is faster and doesn’t require any external application to make video calls.

LTE, VoLTE and VoWiFi: What are their specifications

Whereas in LTE the call connection between two users is slower (takes almost 7 sec). To make video calls external applications like Skype or Whatsapp, zoom, Google meets, telegram, Instagram, etc. are required.


VoWiFi stands for Voice over (EPC-integrated) Wi-Fi. It describes the delivery of commercial telephony services using Voice over IP (VoIP) technologies from mobile devices connected across Wi-Fi.

LTE, VoLTE and VoWiFi: What are their specifications

It can also be said that it is a complementary technology to VoLTE and to provide a packet voice service delivered over IP via a Wi-Fi network utilizes IMS technology.

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VoLTE calls may be seamlessly handed over between LTE and WiFi and vice versa. Conversational video is also possible via WiFi. Through VoWiFi users can make calls without the need for a mobile signal. They have need of wifi only which has enabled data connectivity.


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