Finding the IP Address, MAC Address, and the Firmware on a Yealink phone can be done with one button press on all models of Yealink phones.
- Press the circular "OK" button located between the arrow cluster near the center of the phone.
- The screen will now display the IPv4 (IP) Address, the MAC Address, and the Firmware version. The IPv4 address is 4 numbers separated by periods with a minimum of 1 in each place. The MAC Address will be 6 groups of 2 Hexadecimal characters with dashes between. The firmware version will be 4 groups of numbers similar to the IP Address.