To add a new Yealink phone to your account you will need to build the user in the Audian portal or contact Audian to create the user for you.
Create the user in the Audian portal.
Use the /wiki/spaces/SUPD/pages/1575154 to add the auto provisioning attribute to the phone.
Factory Reset the phone.
- Press and hold the OK button on the phone until a menu pops up.
- Press the OK soft key.
The device should provision with the users information.