Google Hangouts lets you communicate with your team via instant messaging, voice calls, and video calls. This integration allows you to easily start a Hangout with the members of a channel.
To start a Hangout, enter
/hangout in any channel. You will be given a link from which you can start the Hangout with a handy Slack control panel on the right-hand side. From that panel, you can invite other Slack team members to the Hangout.
Alternatives toGoogle+ Hangouts
Google+ Hangouts is listed in:Voice and Video
Start a free group video call with your team.
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