No more outbound calls can be made from Gmail. The solution is to revert back to old chat.
- Click on your profile picture to reveal a menu and choose revert to old chat as show by the arrow
This will bring back the call phone feature and your life will return to normal. This is not the end of the story. Soon, Google will restore outbound calling from the new Google Hangout Chat thing. They are working on it now and below is proof.
This is a post from a Google employee working on this issue.
For more information on how Google can be used in the classroom visit my website www.21learning.net and my book Google Apps Meets Common Core the book is available in paperback, Kindle and eBook.com