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Nepal Telecom Testing VoLTE in 4G. Soon to launch

Nepal Telecom has 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, they are preparing to launch the VoLTE service.

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 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. There are expectations that with this service, the voice call becomes free. But for a country like Nepal, that will be too early for now. So, the telcos in Nepal will charge the calls through the service in cost per minute (or pulse rate).

Advantages of VoLTE

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 to voice call is still the same here in Nepal.

Here are the advantages of VoLTE service.

  • Better Voice Quality: As VoLTE provides crystal clear, and low noise calls, the voice quality is much better than the traditional calls from 2G, 3G.
  • Efficient resource management: As VoLTE uses IP packets to transmit the voice call, the resources in the system are optimally used. It also includes the transmission link, spectrum, and other resources.
  • Faster Call setup: The call setup time with that of VoLTE service is much faster than that of 2G, 3G. So, the customer experience with this service is better.
  • Longer battery life: Research proves that Vo-LTE calls consume lesser battery life than traditional calls. So, a phone using VoLTE call lasts the longer duration.

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 4G only service launch. This is what Jio in India did with massive network deployment and later got a 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, in 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 and the equipment provider. Due to which, the service takes a long time to reach the public although the network does support it. It is done to assure the network quality by configuring the network rightly.

With the VoLTE supported handsets, you need to enable the feature in the settings.

  • You need to go to mobile networks in your Phone settings.
  • Then select the SIM card if you have a dual-SIM option.
  • Then you can enable the VoLTE feature if your 4G network supports it.

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.


VoLTE in Nepal

With the new 4G project, Nepal Telecom had planned to bring VoLTE on a massive scale across the country. And they are preparing to launch the service after detailed testing. So, with the 4G expansion, new areas where there is no telco service will also have this advanced feature. Another leading telco, Ncell may also bring the VoLTE service in the near future.

As we said, this feature is idle for the upcoming telcos to be a 4G only operator while providing Voice using VoLTE. It is mostly useful for the upcoming operators like UTL, CG Telecom, Smart Telecom, Hello Nepal.

Does your phone support VoLTE? Please comment below.

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