Apple iPhone Wi-Fi Calling: The Complete Guide — I Love Study

 




What is Wi-Fi Calling?

Wi-Fi Calling (also known as Wireless LAN Calling or VoWiFi) is a technology that allows you to make and receive voice calls and send text messages over a Wi-Fi network. Its essence is to use a wireless network instead of traditional mobile carrier base stations to transmit signals. It is particularly suitable for use in basements or places where mobile network signal is weak but Wi-Fi signal is strong.

In simple terms, it is essentially internet calling.

Advantages:

        No need for base station signal

        High call quality and fast speed

        Avoids SMS interception

        More affordable rates

Disadvantages:

        Requires a Wi-Fi network

        Does not support roaming

        Some carriers do not support it

1. Requirements for Enabling Wi-Fi Calling

        Carrier support

        SIM or eSIM with Wi-Fi Calling enabled in the carrier system

        SIM or eSIM home location (GPS, IP + base station registration information, etc.)

        Connected to a Wi-Fi network

        Phone supports Wi-Fi Calling (enabled)

2. How to Enable Wi-Fi Calling While Roaming?

Simulate the scenario of the SIM or eSIM being used in its home location: set GPS and IP to the home location, and clear base station registration information.

3. Environment Preparation for Enabling Wi-Fi Calling

        Apple US ID

        Shadowrocket

        Available nodes in the home location

4. UK Vodafone Wi-Fi Calling Practical Steps

4.1 Shadowrocket Certificate Configuration

Certificate and GPS location configuration were covered in the previous video. If you are not familiar with them, please refer to the previous video.

4.2 Shadowrocket Configuration

Select a UK node and enable it.

4.3 Update Location Information to the UK

Locate an address in Amap (Gaode Map) → Share to WLoc to set the location → Turn location services off and then on again.

4.4 Enable Airplane Mode and Wait for Wi-Fi Calling

Turn on Airplane Mode and wait for Wi-Fi Calling to activate.

5. UK giffgaff Wi-Fi Calling Practical Steps

5.1 Shadowrocket Configuration

Settings → Tunnel → Enable “Include All Networks” and “Include Cellular Services” → Select a UK node and enable it.

5.2 Update Location Information to the UK

Locate an address in Amap (Gaode Map) → Share to WLoc to set the location → Turn location services off and then on again.

5.3 Enable Airplane Mode and Force Restart the Phone

Turn on Airplane Mode and force restart the phone. Wait for the miracle — giffgaff Wi-Fi Calling to appear.

5.4 giffgaff Wi-Fi Calling SMS Test

Airplane Mode can be on or off. As long as giffgaff Wi-Fi Calling is active, you can perform the SMS test.

Web Quick Setup

Youtube

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