If you're the instructor (course site) or a manage user (project site):
Zoom will now appear at the bottom of your left navigation bar! Just click the "Zoom Cloud Meeting" link to install the Zoom application on your computer and enter a Zoom meeting.
You can upload, manage, and deliver your video or audio easily right inside Sakai. Host a class media gallery, embed video, and create interactive video quizzes. Sakai Media Tool uploads do not impact your Sakai site’s quota and your media plays on any device.
Course Media Gallery Overview (Video)