Cell phone providers are promoting the users to Switch to Wi-Fi Calling. Once you enable Wi-Fi Calling feature on your Android or iPhone, then calls will route through WiFi. There is no need to worry about network signal strength or call drops once you switch to WiFi Calling.
All smartphone manufacturers are competing to bring this Wi-Fi Calling feature on their devices. Mobile phone carriers are starting to support this features, and more providers are working to bring this feature to their customers.
Wi-Fi calling feature lets you make regular cell phone calls and send text messages from your phone through home Wi-Fi. This feature utilizes your home or any other WiFi router as a mobile tower to connect the call and to route to the mobile tower.
Android and iOS (iPhone 5C and above) phones have already introduced this feature with most of the cell phone providers like Verizon, T-Mobile, and AT&T in the US. More providers are going to launch this Wi-Fi calling feature on their network soon.
The feature can be useful when you are on Mobile phone tower’s blindspot. You don’t need to worry about the availability of the tower signal. When you dial any number, your phone will automatically make calls using connected Wi-Fi instead of Mobile Phone Tower.
This feature also can be useful while you are on any building that isolated from mobile phone signals. You can still make cell phone calls as long as you have Wi-Fi hot spots available and connected with your phone.
How much does this feature cost?
WiFi calling is a free service and does not need any additional fees to your carrier. Most of the providers will count against your mobile phone plan minutes even though you are making calls through Wi-Fi.
But there are a few mobile plans (from T-Mobile and others) that let you make free Wi-Fi calls on a certain plan. If you are looking for alternate solutions to make absolutely free calls without counting your minutes, there are a couple of iOS app that you can get from iTunes.
How to Enable Wi-Fi Calling in iPhone?
Apple makes it is easy to turn on the Wi-Fi calling feature in iOS9. Please make sure you updated your iPhone (5C and above) into iOS9, and your provider supports Wi-Fi calling feature in your country.
Now go to iOS9 Settings > Phone > Wi-Fi Calling- Turn On Wi-Fi Calling. Since emergency services like 911 are using cell phone signal to locate your position while you call through the cell phone network.
You might need to enter or confirm your address for emergency services to make sure that emergency service can locate you based on this address when you use Wi-Fi calling feature. If Wi-Fi Calling is available, you’ll see Wi-Fi after your carrier name in the status bar. Then your calls will use Wi-Fi Calling.
How to Enable Wi-Fi Calling in Android Phone?
It’s pretty easy to bring Wi-Fi feature on your Android phone. The location of this feature might be slightly different based on the Android OS versions and phone manufacturers. We have some screenshots from Samsung Galaxy S4.
Please go to Android Settings > Call > Wi-Fi calling. Once you turn on this feature, your Android phone will switch to Wi-Fi signal to route the calls when you have very low signal strength from your Mobile provider tower.
Can I use this Wi-Fi calling feature in Overseas Without Paying Roaming Charges?
This depends on your mobile phone service provider and their terms and conditions. Most of the providers bill you the same roaming charge even if you make a cell phone call using Wi-Fi. But there are few good free apps available from iTunes store that let you make free international calls without spending a penny.
Once you set up Wi-Fi Calling, your phone automatically detects when to use it. Wi-Fi Calling will only be used if cellular coverage is weak or unavailable. When mobile service is available, your iPhone uses it for emergency calls.
If you turned on Wi-Fi Calling and cellular service isn’t available, emergency calls might use Wi-Fi calling. Emergency calls might send your device’s location information to help emergency workers find you, regardless of whether you turn on Location Services.