Depending on the carrier, network or device, a call may drop if it leaves a Wi-Fi router's range. If a user wants to ensure that their call will use Wi-Fi calling, then they can also turn their phone on Airplane Mode. Calls and messages will appear in normal call and chat logs, and an icon may appear in the phone's notification bar - normally saying VoLTE, meaning voice over LTE, or with an icon of a phone receiver with a Wi-Fi symbol. When enabled, the Wi-Fi calling feature is used automatically when the device is connected to Wi-Fi. For example, Verizon also requires the user has the HD Voice setting enabled. The service is a newer version of the Generic Access Network ( GAN) protocol.įrom the user end, individuals should first ensure both their carrier and smartphone support Wi-Fi calling. Wi-Fi calling must be supported by the smartphone to work. From the internet, data is passed to the cellular network and then back to the answering party. Wi-Fi calling works through transmitting the same cellular data packets as Wi-Fi VoIP through a Wi-Fi connection and across the internet. Wi-Fi calling will work similarly to other Wi-Fi enabled voice over IP ( VoIP) applications - such as Skype or WhatsApp - albeit with slight differences. The Wi-Fi calling service can be used domestically and internationally from most countries. Providers enabled the smartphone feature to avoid losing customers to these apps. Some apps allow the use of a real number for inbound calls for free. People use this type of Wi-Fi calling to avoid paying for phone service. Wi-Fi calling may also refer to the use of computers and mobile devices for audio communication across Wi-Fi to telephone numbers through a specialized app and web service. Users may be more familiar with the similar process of using Wi-Fi to send messages via SMS. Wi-Fi calling will, by default, connect a user to a Wi-Fi network instead of using the individual's mobile data. The service is available on most Android and iOS devices, and the user experience is similar to any other phone call. Typically, the term refers to cellular calls, as opposed to texting. Smartphone users can make use of Wi-Fi calling to talk and text on their smartphones from locations where it's difficult to reach a strong cellular phone signal. Wi-Fi calling is a voice service that lets users place and receive calls over a wireless internet connection, as opposed to using a cellular signal.
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