VoIP (Voice over Internet Protocol) is a system for transmitting voice calls over the internet, rather than a phone line.

Wi-Fi calling allows you to make calls using Wi-Fi instead of a cellular connection, and is great for folks living in areas ...

Thousands of AT&T customers are unsuccessfully searching for a signal across the country amid a nationwide telecommunication outage early Thursday morning. AT&T acknowledged the issue in a statement ...

When you live in an area with limited or no cell service, Wi-Fi calling can be a lifesaver. It keeps you connected for calls and texts when your phone would otherwise be useless. However, some iPhone ...

If you want to fix the SOS displaying on your phone, here's what to do. But the issue may lie with your carrier.