What do you mean, "turn on volte voice calling"? How to use it?

Long-term evolution voice bearer is a high-speed wireless communication standard for mobile phones and data terminals. Based on the IP Multimedia Subsystem (IMS) network, it uses special configuration files for the control layer and media layer of voice services in LTE, so that voice services can be transmitted as data streams in the LTE data bearing network without maintaining and relying on the traditional circuit-switched voice network.

Use volte voice calling function:

1. First of all, you need a mobile phone supporting VoLTE and a 4G mobile phone card.

2. Call or text customer service, or open it for free in official website. After receiving the successful SMS, you can use the service.

3. Open the phone settings, find the phone, click, and click VoLTE HD voice. The mobile phone notification bar will display HD, indicating that VoLTE HD voice call function can be used normally.

Extended data:

The most direct feeling brought by VoLTE technology is that the waiting time is shorter, and the quality of voice and video calls is higher and more natural. When the network is in good condition, the other party uses VoLTE to answer the phone in less than 2 seconds. It took about 5-6 seconds before. VoLTE is extremely stable, which means that it will not fall when connected.

For operators, the deployment of VoLTE means the evolution of mobile broadband voice. In the long run, this will bring two values to operators. First, improve the utilization rate of wireless spectrum and reduce the network cost. Because for voice services, the spectrum utilization efficiency of LTE is far superior to the traditional system, reaching more than four times that of GSM.

Another value is to enhance the user experience. VoLTE experience is obviously superior to traditional CS voice. First of all, the introduction of high-definition voice and video codec has significantly improved the communication quality; Secondly, the connection time of VoLTE is greatly shortened, and the test shows that VoLTE is more than half shorter than CS call. Thirdly, seamless integration with RCS can bring rich services.

When opening and using VoLTE high-definition voice calls, there will be no extra charge, and the charges for answering and making calls will be the same as before, and gifts such as phone bills, limited-time discounts and virtual electronic coupons will be given at one time or every month.

The data consumed in VoLTE voice calls will be converted into voice communication packages and charged separately, which is equivalent to not consuming and generating any Internet traffic. And if your package includes call duration, you can still use VoLTE. From then on, you no longer have to envy the clear call quality of VoIP.

However, when using the 4G video calling function, the operator may charge a separate fee according to the duration.

Mobile phone with volte voice calling function:

Taking Xiaomi as an example, the latest version of MIUI system supports the VoLTE function.

Xiaomi series includes: Xiaomi mobile phone 4c/4S/5/5s/5s Plus/5c/6/Note (top version) /Note 2/Max/MIX.

Redmi series includes: red rice mobile phone 3/3S/3X/4/4A/4X/Note 3 (full netcom) /Note 4/Note 4X/Pro.

Reference source: Baidu Encyclopedia -volte