The Pros And Cons Of Enabling Wi-Fi Calling
Wi-Fi calling sidesteps weak cellular networks, but it's not a perfect substitute.
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Wi-Fi calling, also called VoWiFi (Voice over Wi-Fi) is a great way to improve sound quality on your Android phone or iPhone during calls. When turned on, it runs your calls (and texts) over your Wi-Fi connection instead of your carrier's cellular network. It works by routing your connection through an IPsec tunnel and ePDG connection (like a VPN service) to your carrier's network. From that point, the data is sent to the device on the other end as usual; that's why both devices don't need to have Wi-Fi calling enabled for the feature to work.
As great as this is, the function has its share of disadvantages that you should know before relying on it. For one, it needs a decent connection to work properly, but Wi-Fi network congestion can hamper that, resulting in...
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