1. Get the IP address from the phone and enter the IP address into a web browser. You will need to the enter the IP address into the web browser - this should take you to the login screen. If not enter after the IP address the following text:
/api#/login
If you are finding that you are unable to login to the web interface please try entering https:// before the IP address in the address bar.
2. For the username enter 'admin'
3. For the password enter 'admin'
You will then be logged into the Yealink web interface.
Please note that for some Yealink phones the last 6 digits of the Mac address (found on the bottom of the phone) is needed for the password.