What is VoLTE?

VoLTE (Voice over LTE) is a technology that enables voice calling over 4G. Also, users can experience HD quality crystal clear voice with faster call setup time. Without VoLTE, your phone must drop back to 2G and 3G during voice calls. VoLTE allows users to stay on the 4G network during voice calls and can continue to have un-interrupted high-speed 4G internet experience. VoLTE calls will be charged in exactly the same manner as 2G and 3G voice calls. There are no additional data charges.

What are the benefits of VoLTE?

HD Voice Calls: Crystal clear conversations as if you are right next to each other. Faster Call Connect: Call setup time is way faster than normal calls. Efficient Multi-tasking: You can now make calls without disrupting your 4G internet sessions Improved Battery Life: You will experience less battery drain during call and internet sessions. To enjoy our VoLTE services, both caller and receiver should ensure the pre-requisites.

What do I need to start VoLTE services?

To enjoy our VoLTE services, both caller and receiver should ensure following:

• USIM/4G SIM. This should be inserted in the SIM slot with data capability and “network mode” as 4G/3G/2G (Auto)
• VoLTE enabled Handset and enable VoLTE option in the phone
• To be in GP 4G coverage.
• Need to have the upgraded OS Software provided by your handset manufacturer

What is the difference between normal voice calls & VoLTE?

VoLTE users will experience true HD voice. Grameenphone customers with VoLTE services can experience superior call quality and faster call setup time compared to normal voice calls.

What is the difference between 4G/LTE & VoLTE?

4G/LTE network is pre-requisite of VoLTE service. VoLTE (Voice over LTE) is a technology that enables voice calling over 4G. Without VoLTE, your phone must drop back to 3G or 2G during voice calls. VoLTE allows users to stay on the 4G network during voice calls.

Do I need a VoLTE enabled device to use VoLTE?

Yes. To get VoLTE service customers need to have a USIM/4G SIM, VoLTE enabled handset and to be in 4G coverage. You also need to have the upgraded OS Software and enable VoLTE option in the phone. To experience superior call quality and reduced call setup time, both caller & receiver need to have USIM/4G, VoLTE enabled Handset with upgraded OS, to enable VoLTE option in the phone and to be in 4G network.

Which handset supports VoLTE service?

Please visit https://www.grameenphone.com/volte to get the eligible handset models. When any handset model will be enable VoLTE service, it will be updated here. You also need to have the upgraded OS Software and enable VoLTE option on your phone.

Can I make VoLTE call to other local or international operators?

VoLTE call is only applicable to GP-to-GP operators.

Will there be any extra charges for VoLTE services?

No. VoLTE calls will be charged in exactly the same manner as 3G or 2G voice calls.

Will VoLTE calls consume data? Is there any chance of bill shock, if

I use VoLTE?

No. VoLTE calls will be charged as per your existing voice plan/pack. There are no additional data charges.

Can all 4G handsets be available for VoLTE services? Or do you have

any special handsets or settings for using VoLTE?

No. All 4G handsets will not support VoLTE at a time. Grameenphone has enabled VoLTE service in their network. But the handset manufacturer needs to release the relevant Software updates

How do I know the handset is VoLTE enabled during purchase?

Eligible handset model will be published in Grameenphone website. Also, customer can ask retailer/seller.

Will VoLTE Technology Increase Current Speed of the current 4G?

VoLTE allows users to stay on the 4G network during voice calls. There will be no impact on internet speed.

Will the mobile battery charge end sooner in VoLTE Technologies?

No. Rather it is expected battery performance will increase.

How do I know that my handset/SIM is ready to use VoLTE?

To get VoLTE service, you need to have a USIM/4G SIM. You also need to have the upgraded OS Software and enable VoLTE option in the phone. To check eligible handsets, please visit https://www.grameenphone.com/volte.

On what factors does VoLTE features depend? Will I be able to get

VoLTE service always same?

To get VoLTE service customers need to have a USIM/4G SIM, VoLTE enabled Handset and to be in 4G coverage. You also need to have the upgraded OS Software and enable VoLTE option in the phone.

How do I know that I am on VoLTE Network?

VoLTE service is an enhanced feature of 4G and it will be depend on 4G network quality of that particular location. To get VoLTE service customers need to have a USIM/4G SIM, VoLTE enabled Handset and to be in 4G coverage. You also need to have the upgraded OS Software and enable VoLTE option in the phone. Upon verification of the above, your handset should show 4G with HD/VoLTE icon on top bar of the screen, indicating that your device is ready for VoLTE calls.

Will it reduce call connecting time?

Yes. Call setup time will be faster than normal calls. To experience superior call quality and reduced call setup time, both caller & receiver need to have USIM/4G SIM, VoLTE enabled Handset with upgraded OS and to be in 4G network.

Will I get VoLTE network if I use my USIM in slot 2 in a dual SIM

handset?

VoLTE works on 4G network. So if slot 2 supports 4G, you will get VoLTE service.

Why is my phone showing 3G/2G when I am within VoLTE coverage?

It depends on the network situation of that particular location. GP is always committed to provide superior network to ensure consistent and improved network quality.

What will happen if I move into an area with no VoLTE coverage?

You will have to make calls over 3G and 2G

Will video call be available for calling other operators in VoLTE

network?

VoLTE service is applicable to video-call if both caller and receiver handsets have video over LTE enabled.

Can I enjoy VoLTE service while roaming overseas?

Sorry, 4G calling does not work while you are roaming overseas. But you will still be able to make calls using 3G and 2G networks.

Will VoLTE network be available for both Prepaid & Postpaid

customers?

Yes. It will be same for both prepaid and postpaid.

Will VoLTE network be available across the country?

Yes. VoLTE will work across the country where Grameenphone 4G network is available.

If I put a VoLTE/LTE SIM on my 3G handset, will it work?

No. VoLTE service is applicable with 4G/LTE network. To get VoLTE service customers need to have a USIM/4G SIM, VoLTE enabled handset and be in 4G coverage. They also need to have the upgraded OS Software and enable VoLTE option on their phone.

Is it mandatory prerequisite to enable data mode for making a VoLTE

call from supported handset while under coverage?

No. It is not required to enable data mode for making a VoLTE call. But it is required to enable VoLTE call/ 4G calling option in handset setting.

Will all 4G phones support VoLTE in GP handset while under coverage?

No, not all the 4G phone models will support, we shall update and share all supported models gradually.

Which iPhone Models will support VoLTE?

iPhone models 7 and above will support VoLTE

Which iPhone models will not support VoLTE in GP?

iPhone 6, 6 Plus and below models will not support VoLTE in GP

How should I know if my iPhone is VoLTE ready?

To enable VoLTE, one needs to update the iPhone to the latest iOS version 13.5 or above

What else is required beside latest iOS version on iPhone?

Beside latest iOS version, one needs to update the carrier bundle to 41.3 or above

What should I do if I still face challenges using VoLTE even after

following all the aforementioned support?

Please turn on/off airplane mode & check if the carrier bundle is pushed once the OS is updated.

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