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This free option significantly improves the sound quality of smartphone calls

This free option significantly improves the sound quality of smartphone calls

Are you tired of those inaudible phone conversations, with a medium, muffled and loud voice? However, you only need to activate the free option in your package to enjoy high-quality sound…

Do you want to make phone calls in the 21st century using your smartphone? For several years, telecom operators have been offering an option that allows you to enjoy high-quality sound of your conversations. Goodbye to parasites and other frills that disrupt the good understanding of the interlocutors. To do this, they rely on two well-established technologies: VoLTE and VoWifi. Behind these shortcuts are two channels through which sound travels.

First, VoLTE (Voice over LTE) is nothing but the 4G network deployed by operators. Therefore mobile phone calls do not use the classic 2G or 3G network. The second, VoWifi, applies the same principle, but this time, calls are made over the Wifi network to which the mobile phone is connected, at home or in a hotel or restaurant for example. In both cases, the voice is quickly converted into data packets for travel over the Internet.

VoLTE and VoWifi only have advantages. First, the sound quality of calls is much higher than that made over a standard network. The sound is clear, without interruption or interference, whether you're using your smartphone's speaker and microphone or a wired or wireless headset. Hence, making a VoLTE or VoWIfi call does not lose internet connection during the conversation unlike traditional calls. Thus, you can search for information on the web using your smartphone while staying in touch with your correspondent. practical.

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The good news is that it is not necessary to subscribe to a paid option to take advantage of VoLTE and VoWifi. If your mobile phone plan includes a data cap for internet connection, there is a good chance that you will be able to avail HD phone calls at no additional cost. Simply verify that the option is active with your operator from your personal area. This is the case by default in Orange, Bouygues Telecom and SFR. With Free you must send a special code to activate it on your line. And with MVNOs (virtual operators like Auchan Telecom, NRJ Mobile, La Poste Mobile, Prixtel, Réglo Mobile, etc.), you often have to call customer service to take advantage of them, when they offer them.

Note in passing that calls made via VoLTE or VoWifi do not affect your mobile data plan. They are counted as classic calls. Next, you must also use a compatible smartphone and take advantage of 4G or WiFi coverage. The vast majority of current cell phones. Finally, it is necessary to check on the mobile phone that the option is activated in the settings (read our whitepaper). To ensure your VoLTE calls go through, it couldn't be easier. Turn off the WiFi on your mobile phone and make a call. If the 4G or LTE icon remains displayed, that's good.

To make the most of high-definition audio during a call, your correspondent should also have VoLTE or VoWifi. Otherwise, the sound will automatically be set to the lowest quality. Moreover, if you lose connection to the 4G network during a conversation, the call will not be interrupted. The phone will automatically, without interruption, switch to a 2G or 3G network, and return to normal quality. It will show you the difference in quality right away!

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