Wi-Fi Calling for iPhone Users

This article illustrates how to enable Wi-Fi Calling on an iPhone.

In areas where the cellular signal is weak, Wi-Fi Calling can be used to overcome the lack of signal to make calls.

When connected to Wi-Fi calling, your iPhone may not receive emergency alerts.

1. Tap Settings.

iphone screen

2. Tap Cellular.

iphone settings

3. (OPTIONAL) If you have multiple SIMs, select the one for which you want to enable Wi-Fi Calling.

sims list

4. Tap Wi-Fi Calling.

cellular settings screen

5. Toggle the slider next to Wi-Fi Calling on This iPhone. Then, tap Enable.

enable wifi calling prompt
  1. Toggle on Wi-Fi Calling on This iPhone.
  2. The Enable Wi-Fi Calling prompt will open. Tap Enable.

6. Tap Update Emergency Address if you need to set or enter your location for emergency services.

wifi calling screen
View instructions for updating your emergency address

6.1. Tap Change Address.

change address screen

6.2. Enter your current location. Then, tap Verify Address.

emergency 911 address screen
  1. Enter your address.
  2. Tap Verify Address.

6.3. If prompted, select the correct address format. Then, tap Use this address.

verify emergency 911 address screen
  1. Select an address.
  2. Tap Use this address.

7. When Wi-Fi Calling is enabled, you will see "Wi-Fi" next to the name of your carrier at the top of your phone screen. Proceed to make your call as you usually would.

If your wi-fi call isn't going through, try putting your phone on Airplane Mode.

Wifi in status bar

Need More Help?

Faculty/Staff - contact the IT Help Desk at [email protected] or 657-278-7777.

Students - contact the Student IT Help Desk at [email protected] or 657-278-8888.