Hangouts Meet is an application that enables users to have meetings via high quality video calls. It can cater for meetings of up to 250 participants, allows you to share links, subtitle conversations, integrate foreign participants and also schedule events.
Hangouts Meet is integrated with Google Calendar and for G Suite Enterprise Edition customers, it offers extra features. Here is an official Google guide to understand how Hangouts Meet works and how to integrate it with other video calling services.
The application is available not only for Android and iOS mobile devices, but also in a desktop version.