We’re really sorry that you’re having trouble with WiFi calling. It’s usually set up automatically with Honest SIMs. if it's not the case then just follow the steps below to get things sorted.
Android 🤖
Confirm your Android phone supports WiFi calling
Click on the Settings app
Tap Network and Internet (depending on the handset, the name may vary slightly). If you can't find 'Network and Internet'
Tap Mobile Network
Tap Advanced
Tap Access Point Names
Click on the + button in the top right
Type Honest into the 'Name' field
In the 'APN' field please enter gamma (this is case sensitive and must be all lowercase)
Tap on the three dots in the top right
Tap Save
You'll now need to select the APN to be used by clicking the circle next to the one we have just created called Honest 🙂
Test WIFI calling again
iOS 🍎
Check your iPhone supports WiFi calling.
Tap the Settings app.
Tap on Mobile Data
Tap Mobile Data Network.
Make sure the APN says gamma and looks like the picture below
Go to Settings > Phone > Wi-Fi Calling and ensure it’s turned on.
Check for the latest iOS updates and install any available updates.
Restart your iPhone.