Sunrise Wi-Fi Calling

DO YOU WANT BETTER RECEPTION? WE HAVE THE SOLUTION

With Wi-Fi Calling, you can make good-quality calls even when there’s limited mobile reception

Better reception indoors

Make calls and send SMS as usual – without the need to download any other apps

No additional costs

Frequently asked questions

Wi-Fi Calling allows you to make calls via an existing Wi-Fi network, regardless of whether you’ve got mobile reception, and that can improve the call quality, while also keeping you available in areas with poor mobile reception, for example.

How to enable Wi-Fi Calling on an Apple device in just a few steps:

Go to the main menu on your iPhone or iPad and open «Settings».
Scroll down and tap «Phone».
Then select «Wi-Fi Calls».
This should give you the option to enable Wi-Fi calls. If you’re using more than one SIM, select which SIM you want to use to make Wi-Fi calls.
Swipe the switch to the right to enable it.
You may receive a confirmation or an activation message that you’ll need to confirm. Simply follow the instructions on the screen.

There may be small differences depending on what device you’re using and the software it’s running on.

Did it not work or is your model not listed? No problem, you’ll find step-by-step instructions under Help and Support.

Follow these steps to enable Wi-Fi Calling on a Samsung mobile:

Open the phone app and tap the icon for more options (three vertical dots at the top right).
Tap on Settings.
Scroll to Wi-Fi Calls and enable the slider.

You can enable Wi-Fi Calls via quick access as well. To do this, swipe down from the top of the screen and tap the Wi-Fi Calling icon.

There may be small differences depending on what device you’re using and the software it’s running on.

Did it not work or is your model not listed? No problem, you’ll find step-by-step instructions under Help and Support.

Currently, Wi-Fi Calling can only be used on Wi-Fi networks in Switzerland (no roaming available).

Calls and SMS will be billed at your current rate.

There are a number of reasons why Wi-Fi Calling may not be working. Here are some possible solutions to the problem:

- Check your Wi-Fi connection and make sure the Wi-Fi network you’re connected to is working. Also check whether other devices are able to establish a connection to the Wi-Fi.

- Is Wi-Fi Calling enabled? Make sure Wi-Fi Calling is enabled in your device settings.

- Check whether your device supports Wi-Fi Calling as older devices in particular may not support it. You’ll find a selection of current devices that support Wi-Fi Calling here. (Link to the here)

- Update your device software and make sure you’ve installed the latest version of the software. Sometimes Wi-Fi Calling features are introduced or enhanced in software updates, so a software update may fix the problem.

For more support, please visit our Help and Support page. In the factsheet also contains important information.