Question: what is at&t wifi calling?
Answer: Wi-Fi Calling lets you talk and text over an active Wi-Fi connection. You can turn Wi-Fi Calling on or off in your phone's settings. With Wi-Fi Calling, you can call, text, and use Visual Voicemail as you do on the cellular network. While in the U.S., Wi-Fi Calling is used when a cellular signal is weak or unavailable.