You can start a phone call from Hangouts Chat, if you have a Google Voice for G Suite account.
- On your computer, open a direct message with the person you want to call.
- At the top, click Call .
- From the list of phone numbers that appears, select the number you want to call.
Phone numbers come from your Contacts, the recipient’s Google profile, and your company directory.After you select the phone number, Google Voice opens and makes the call.
- To end a call, click End call in Voice.
To learn more about Google Voice calls, see the Voice Help Center