Google+ Hangouts Bring your conversations to life with free video calls.

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.