If the external user joins the call first, they will get a message saying 'You cannot join the call,' as someone from within the organization needs to accept the external user to the Hangout.Wood also reported the following findings: There is no longer a need for a Google account.ĭan Wood who works in Cloud Operations for DoIT's Systems and Operations group tested the new functionality in Hangouts and said 'the recommended method is to 'invite your external guests with Google Calendar,' meaning the invite should be generated from within Google Calendar, so email invitations are automatically sent out to guests. Users can now invite individuals without Google accounts to participate in a Hangout videoconference through a calendar invitation link or email, which prompts the guest to fill in their name as a request to join the call. Google Hangouts has made group video calls simpler with new functionality for guest access.