Google Hangouts temporarily won’t support phone and video calls on Mozilla Firefox
Last October, Mozilla Corporation announced that it would end support for browser plugins in its Firefox 52 release in order to ensure better browser performance, security and improved user experience. Because Google Hangouts in Firefox currently relies on browser plugins to enable video and audio calls, users of Hangouts will not be able to make audio or video calls in the upcoming Firefox 52 release. Google is actively working to develop a solution that will enable Hangouts to work in Firefox without a plugin. In the meantime, we recommend you take the following steps to minimize any future impact before the Firefox 52 release scheduled for March 7.
Recommended next steps
Using chat on Hangouts will continue to work for Firefox users; however, if you need to make phone or video calls from Hangouts, we encourage you and your employees to temporarily switch to one of the supported browsers below:
We will publish a follow-up announcement once we have a fix in place that will support Hangouts on Firefox again.
partially reposted from https://gsuiteupdates.googleblog.com/2017/02/google-hangouts-temporary-issues-with-firefox.html