Scope:
The following steps will allow you to view the screen remotely for any Yealink phone
Requirements:
This requires firmware v73 or higher
Original instructions can be found here
Configure Phone for Remote Access Via Web GUI (option 1)
Log into web GUI of phone at https://<ipaddress>
Enter your credentials. Default is admin/admin. After provisioning these will be changed. Contact your service provider for credentials if needed
Click on Features
Click on Remote Control
In the field Action URI Allow IP List enter any
Click Confirm
Configure Phone for Remote Access Via Overrides (option 2)
Add the following override to your Advanced page in Manager Portal or NDP
features.action_uri_limit_ip="any"