In order to enable Microsoft Teams WebRTC Calling, the hybrid calendar needs to be on. Make sure that the web engine is on as well – If not, follow the steps described here to turn it on.

If your device is linked to Webex edge for devices, you need the CE9.14.3 software version.


From the customer view in, go to the Devices page.


Select Settings in the top right corner and navigate to WebRTC Support. Toggle on Enable Microsoft Teams WebRTC Calling.