To configure Yealink phone to work with VoIPstudio service login into web interface of the device and follow steps below:
Upgrade Firmware from below link -
Follow below Steps:
Note Reboot may be required.
Busy Lamp Field on the Yealink, enables fast call to the user by pressing the button and monitors other extension current status for example when the extension is on a call.
The LED lights will change colour and state depending on the current status of the Phone as follows:
* The number of available programmable keys will depend on your Yealink device model
3. Line 1 is the main extension used for making and receiving calls, do not modify 4. Over the the line Key you will edit select:
5. Enter syntax as follows:
__SIP_USER__ for 6 digit SIP username that will be monitored and replace
__SIP_DOMAIN__ with your actual SIP Domain)
6. Enter any identifying label.
Confirm to save changes.