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Difference Between LTE and VoLTE

difference between LTE and VoLTE
Samyak Lalit | November 21, 2016 (Last update: February 9, 2017)

Samyak Lalit is an Indian author and disability rights activist. He is the principal author and founder of projects like TechWelkin, WeCapable, Viklangta, Kavita Kosh among many others.

We are entering a new era in the mobile Internet. This is the transition time from 3G to 4G Internet. And there is a lot of buzz around the free voice calling and free unlimited 4G Internet offer made by Reliance Jio. Ever since Jio has made the offer, people have been asking questions if their phone supports 4G and also what is the difference between LTE and VoLTE. In this article, we will learn why people are asking about the terms like LTE and VoLTE. We will also learn how these two technologies are different from each other and which one is better.

What is LTE?

LTE is a mobile Internet technology standard. It’s an abbreviation of Long Term Evolution. You may wonder why LTE keeps popping up in context of 4G. Well, 4G (or fourth generation) is just a common name given to LTE technology. In short, 4G and LTE are synonyms.

Theoretically, LTE supports download speed of 100 MBits per second and upload speed of 50 MBits per second. Another variant of LTE, called LTE-Advanced, supports download speed of 1 GBits per second and upload speed of 500 MBits per second.

LTE is considered a technological evolution on both CDMA and GSM standards, that were used several years ago. Nowadays, LTE is fast becoming available across the globe and mobile Internet Service Providers are upgrading their networks from 3G to 4G. LTE is at present the fastest data transfer technology and soon it may become the most dominant among all the mobile Internet technologies being used.

difference between LTE and VoLTE

What is VoLTE?

  • Full form of VoLTE is Voice over LTE.
  • VoLTE is pronounced as Vee O LTE.

VoLTE is a technology wherein you can simultaneously send voice and data over the network without diminishing quality of voice. In case of LTE, if you make a voice call and you also keep your data connection on, the quality of voice will reduce. So, in order to make a good quality voice call, you will have to switch off data. You may have noticed that in case of 2G and 3G, while you are making phone call, some phones will automatically stop data transfer so as to preserve the voice quality.

But in case of VoLTE, the voice quality will not reduce even if your data connection is on. With VoLTE it is very easy to transmit telephone conversation over the data network.

What are the Benefits of VoLTE over LTE?

It is easy to see that VoLTE is superior technology. It has following major benefits over LTE:

  1. Voice quality is better in VoLTE.
  2. You can keep data connection on while making a voice call.
  3. VoLTE can connect calls faster
  4. 4G VoLTE works on higher frequencies like 800 MHz and thus it can make connections much farther away from the mobile phone tower. In previous technologies, it was sometimes difficult to find a mobile signal.
  5. Use of VoLTE may save phone’s battery.
  6. VoLTE allows to you make video calls without using any third party apps.

What is the Difference Between LTE and VoLTE?

The following table lists the main differences between LTE and VoLTE.

Comparison chart of LTE and VoLTE
1. Stands for Long Term Evolution
Stands for Voice over LTE
2. Primarily designed to be a data-only technology Designed to carry both voice and data
3. Does not natively support voice transmission. Supports voice as well as data transmission.
4. Quality of voice reduces if data connection is left on. Voice quality remains excellent even if the data connection is on

These were all the basic things you need to know about LTE and VoLTE. Should you have any questions or comments on this topic, please feel free to write in the comments section below. Thank you for using TechWelkin!


18 responses to “Difference Between LTE and VoLTE”

  1. Moh.Omar says:

    Thanks dear sir for your good explanation,

  2. Saud Nomani says:

    Dear Sir,
    I want to know LTE and VoLTE is a hardware or software, if a device support LTE can we change it in to VoLTE?

  3. ZULFIQUER ALI says:


  4. MANOJ KUMAR says:

    smart explanation

  5. Zoya says:

    Very nicely explained. It can be easily understood by anyone.

  6. Adarsh rai says:

    Very nice explanation. It helps in easy understanding of the difference. thank you very much.

  7. divya chaudhary says:

    very useful and easy to understand this information

  8. Shreya Ganguly says:

    Nicely explained. Thank you.

  9. Bachi says:

    very useful and good explanation. Thank you

  10. venkatesugaduputi says:

    You have explained very well all the information about mobile networks. My heartfelt thanks for your presentation in details which even a layman can understand. With the best wishes for future guidance in latest technologies.

  11. SUNIL CHANDHOK says:

    Differences between LTE and VoLTE has been explained very nicely, in layman’s language.

  12. kalaivani says:

    very useful. one more question i bought volte supporting mobile phone but it is showing LTE on the screen. Does it support volte or not?

  13. Chaitanya says:

    Good explanation.

  14. Mayank awasthi says:

    very good, it’s useful information.

  15. Dr T Jeevan Kumar says:

    Informative article. People who do not have any knowledge on LTE and VoLTE, will easily know the difference between the two.

  16. Ramesh yadav says:

    I want to know IMS structure and how it works.

  17. Sandeep Kumar says:

    Very useful information for new smartphone buyers.

  18. jaishree says:

    good technology

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