This is a fun little project I ran across thanks to NetworkChuck. It’s a personal PBX phone system for your house or small business.
Links are below for resources:
the Raspberry Pi PHONE SYSTEM! (3CX PBX at home)
Install 3CX on the latest Raspberry Pi with our easy to follow guide
**sudo nano /etc/dhcpcd.conf**
**#Ethernet static IP configuration
interface eth0
static ip_address=192.168.xxx.xxx/24
static routers=192.168.1.1
static domain_name_servers=192.168.1.1 8.8.8.8**
sudo reboot