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VoWiFi is Let’s dive in! What is WiFi Calling? So, what is wifi calling? In basic terms, wifi calling is a feature that lets you make Why Your Firewall Might Block WiFi Calling WiFi calling depends on specific ports and protocols to securely connect your mobile What is WiFi Calling? WiFi Calling is an option on your phone to use your Internet Service Provider’s landline high WiFi calling is a technology service that allows you to make and receive voice calls over a wireless internet network, Some of the key advantages include: Improved call quality: Wi-Fi calling can provide better call quality than traditional Go to Settings, Phone, and tap on Wi-Fi Calling. 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