Note: These archived support documents are for legacy MegaPath Hosted Voice and MegaPath One services purchased before June 14, 2019.
Check your Unified Communications (UC) Maximum Resolution setting, located under Preferences > Other Devices > Maximum Resolution. If it is set to HD Widescreen it is not compatible with the VVX1500. Choosing a lower resolution setting will allow the video to work with the VVX1500 phone.