Calls will use the cellular network when available. You can also change the preferred network when traveling internationally. For Android devices, you'll see a Wi-Fi Calling icon similar to this when your call is over a Wi-Fi network. If you have iPhone, you'll see "VZW Wi-Fi" in your status bar. Watch the How to Make Wi-Fi Calls video.

Not all devices connect to a cellular network and therefore cannot attempt a 9-1-1 call over a cellular network. On such devices, a 9-1-1 call may attempt to route over Wi-Fi Calling. International locations: While emergency calling is not supported over Wi-Fi Calling outside of the domestic United States. Sep 29, 2017 · Wi-Fi calling allows your iPhone to place and receive phone calls and text messages over a Wi-Fi network. If you have a weak cellular signal but a solid Wi-Fi signal, your iPhone will automatically switch over and route calls and texts via Wi-Fi. Apple added support for Wi-Fi calling to the iPhone with iOS 8, and it’s now supported on many Wi-Fi Calling is an enhanced calling feature, which allows you to make and receive HD voice calls, send/receive texts and pictures (MMS) using a Wi-Fi connection rather than a cellular connection. Think of Wi-Fi Calling as a backup option when your cellular coverage is less than perfect.

Calls are billed based on the number you call, no matter whether you’re using Wi-Fi® at home or while traveling abroad. Calls to U.S. numbers can be made at no additional charge; Calls to international numbers are billed at your international long-distance rates. If you’re traveling abroad, this includes calls to the country you’re in.

Wi-Fi calls placed to other countries are subject to your plan's long distance charges. Check stateside international rates for long distance fees. When you're outside the U.S. (international roaming) If you have an unlimited plan: When in a Simple Global country , calls are $0.25/min for roaming (same as cellular). After enabling, you'll be asked to enter an address in order to appropriately route emergency calls. Then, all you have to do is dial! Once the feature is enabled you'll know your call is connecting over Wi-Fi by the "Wi-Fi calling" icon seen here. Calls will use the cellular network if available to provide you the most reliable experience. Just look at your Phone app right after placing your call. If your call is connected over Wi-Fi, at the top of the screen you'll see Wi-Fi and the name of the network you're connected to. Note: Calls to 911 over Wi-Fi operate differently than traditional calls to 911. Learn more about calls to 911 over Wi-Fi.

Calls are billed based on the number you call, no matter whether you’re using Wi-Fi® at home or while traveling abroad. Calls to U.S. numbers can be made at no additional charge; Calls to international numbers are billed at your international long-distance rates. If you’re traveling abroad, this includes calls to the country you’re in. Oct 27, 2017 · Basically, any of those apps will let you make calls over Wi-Fi, but they won’t use your actual phone number, nor will they call out to a traditional phone in most cases. Instead, you’ll actually place calls from account to account; for example, if you use Facebook Messenger, you actually just “call” the person on their Facebook account