Desktop
You can make one-on-one or group calls with anyone in your organization directly from a chat without having to host a team meeting. These calls are private and won't appear in any team conversation. Entries for the calls will appear in your chat, though.
- Go to your chat list, and click New chat
to start a new conversation. - Type the name or names into the To field at the top of your new chat.
- Select Video call
or Audio call 
to start a call.
Up to 20 people can be on the same video call.
Note: If a group chat includes more than 20 people, calling buttons will be disabled.
If you're not currently in a chat with the person you want to call, you can start a new call from a command. Go to the command box at the top of your screen and type /call, then type or select the name of the person you want to reach.
You can also start a one-on-one call from someone's profile card. Open it by clicking their picture in a channel or from a search.
Note: If your organization is set up for it, you can call a phone number directly—even one that's outside your org.
Mobile
You can launch calls from one-on-one or group chats:
- From your chat list, tap New chat in the header and enter a name or names.
- From a chat, tap Video call or Audio call . The person you're calling can answer from their desktop or mobile app.
You can also start a call from someone's profile card. Open it by tapping their profile picture in a channel or from a search.
Notes:
- If a group chat includes more than 20 people, calling buttons will be disabled.
- If your organization is set up for it, you can call a phone number directly—even one that's outside your org.
