Lyric Computer - The 4G680 supports extenal landline phones via VoLTE( Voice over LTE) or CSFB (Circuit Switch Fallback). Simply connect the landline phone to the phone port of the 4G680 and
I want to connect WiFi from my landline phone. Which devices should I buy and how should I connect them to get started with internet in my computer? - Quora
![How to Connect a VoIP Phone to a Router Using an Ethernet Cable - for Home or Office - Press8 Telecom How to Connect a VoIP Phone to a Router Using an Ethernet Cable - for Home or Office - Press8 Telecom](https://press8.com/wp-content/uploads/2022/10/router-voip-phone.webp)