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.
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