Although wireless standards like 3G, 4G, and 5G are mostly associated with mobile internet, they also include a phone (voice) component. Up till 4G this was done using traditional circuit-switched … ...

4G LTE phone The not-so-secret secret is that every “4G” phone on the market today, regardless of service provider, also contains older circuitry to support voice calls on 3G and older ...

Google Voice will work over both a cellular connection and Wi-Fi, but if you have neither, you won't be able to connect. Check the status bar at the top of your phone screen to see if you have a ...