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Nepal Telecom had been testing VoLTE service when it started the expansion of 4G to more areas. Now that Ntc 4G coverage is now available in all 77 districts and testing is successful, they have launched the VoLTE service on the occasion of World Telecommunication and Information Society Day (May 17, 2021, that is Jestha 3, 2078). VoLTE provides HD voice and video over the 4G network.
As 4G is a data-only technology, a telco needs to have either extra features to support voice over 4G or use the existing legacy networks like 2G, 3G while being on 4G. The extra feature solution to provide Voice service over 4G LTE is VoLTE (Voice over LTE). It is similar to Voice over IP, which means the voice passes through the data network for the voice service. VoLTE is also one of the most demanded services from Nepali Telecom operators, find other demands by people.
VoLTE works in the same way as the OTT applications like Viber, Skype, messenger but you can call using your own number through 4G. In this technology/service, you can just make a call in the same way as before in 2G and 3G. As known, the call charge of VoLTE will be as per the cost per minute (or pulse rate) as the traditional voice service.
Voice call has been the primary service for the communication for the customer side and for the telecom operator as well. As the telcos have a significant amount of revenue from voice, they keep focusing on the service. That scenario may have been changed to the developed world so the focus on the voice calls is still the same here in Nepal.
Read all the top features of VoLTE.
Here are the advantages of VoLTE service.
Using VoLTE, customers can get crystal clear, high-quality voice service in 4G. The noises in the voice call that is there with 2G, 3G will be minimized sharply with the service. Similarly, the HD video calling feature will also come along, with the ability to transfer high-speed data rates.
You can get those services from the regular dialer in your latest phones. Similarly, this service enables a new greenfield telecom operator to start their service right away with a 4G-only service launch. This is what Jio in India did with massive network deployment and later got widespread adoption by the public.
ALSO READ: 2G, 3G, 4G, and 5G explained simply.
First of all, the telecom operator whose SIM you use must have the service VoLTE enabled in their network. Not every 4G LTE network will have this feature. Similarly, on the customer end, you need to have VoLTE support in your handset/smartphone. You need to remember the point as “Not every 4G phone has VoLTE enabled”. So if you want to use the service, make sure your operator and your handset support the service.
“Not every telecom operator supports VoLTE nor every smartphones”.
As known, the handset makers also need to customize the Vo-LTE support in the phone as per the network’s settings. Due to this, the service took a long time to reach the public although the network supports it for quite some time. It has been done to assure network quality by configuring the network rightly.
Check out: Why Ntc Volte is not working on my Phone?
With the VoLTE supported handsets, you need to enable the feature in the settings.
Due to the VoLTE feature, any new telecom operator can provide Voice service without the need to have 2G or 3G. So, there can be a 4G-only telecom operator.
With the new 4G project, Nepal Telecom had planned to bring VoLTE on a massive scale across the country. And they are now launching the service after detailed testing. So, with the 4G expansion, new areas (with 4G only network) where there is no other telco service will also have this advanced feature. Another leading telco, Ncell may also bring the VoLTE service in the near future.
VoLTE is mostly useful for upcoming operators like UTL, CG Telecom, Smart Telecom, Hello Nepal, which can provide voice calling over the next generation 4G network and does not need to invest in 2G, 3G just for the voice calls.
To activate VoLTE in your NTC SIM, you need to
After you enable VoLTE on your phone and SIM card, you will be able to find VoLTE/HD icon on the top of your smartphone screen.
Check out: Nepal Telecom 4G Bands; Why should you care?
The picture below shows VoLTE for two SIM cards if you have dual VoLTE support on your phone and both the sims are Volte activated.
With the launch of VoLTE, Nepal Telecom is providing free 100 minutes Volte call on the first activation. Once you subscribe to VoLTE on your SIM card, you need to dial *111# or call 1444 to subscribe to the free call pack. As per Ntc, the 100 minutes Volte call is valid for 28 days.
Check out: Ntc prepares for 5G trials
You can also deactivate VoLTE in Ntc SIM, for which you need to dial
The cost of Volte call in Ntc is the same as the traditional 2G, 3G calls. Also, all of the available Ntc voice packs work with VoLTE service.
Although Volte works as voice-over IP packets (data), data volume will not be utilized. It will only consume normal call minutes.
If you have any queries about the VoLTE service, you can put your question below. Let us know if your phone support VoLTE? Please comment below.