iPhone is no longer afraid of poor signal! iOS 18 Beta 4 launches WLAN Calling: calling with WiFi

According to news on July 24, Apple pushed the iOS 18 developer preview Beta 4 update (build number: 22A5316j) to iPhone and iPad users early this morning. It is worth noting that in addition to the new CarPlay wallpapers, control center and other functions, China Telecom users have also discovered that the wireless LAN Calling (WLAN Calling, also known as Wi-Fi Calling) function switch has been added to the settings.

China Telecom users can use the VoWiFi function after the update

1. Currently, this feature is only available to China Telecom users after the update.
2. Supports making calls over WiFi network, including emergency calls.

Similar to other VoWiFi technologies

1. This feature is similar to the VoWiFi technology being tested by China Telecom and China Unicom.
2. China Telecom was the first to support WiFi dial-up voice and video calls in four cities: Guangzhou, Shenzhen, Dongguan and Foshan last year.

   

   1. VoWiFi

allows users to make and receive calls directly from the bottom through the connected WiFi signal, which means that regardless of the SIM card signal of the mobile phone, as long as there is WiFi, you can have clear calls.

2. Weak coverage solution

In today’s bustling cities with tall buildings, there are often no signals in the buildings, and VoWiFi can effectively solve the problem of voice and text messages caused by weak coverage in residential areas and other areas. question.

3. iOS integration

I hope that iOS can be deeply integrated with this feature in the future to improve the iPhone’s poor signal performance.

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