I cannot hear

If you cannot hear during the video call or your headphones or speakers are not working, quit the video call and click on test step up to test your microphone and speakers.  If the green bar is not moving when you test mic or you cannot hear the sound when testing the speakers, refer to this article:  https://theraplatform.zendesk.com/hc/en-us/articles/115007689748-How-to-Troubleshoot-Audio 

Step 1: Under the microphone field, start speaking. If the green bar is not moving during the mic test, troubleshoot your microphone with this article: https://theraplatform.zendesk.com/hc/en-us/articles/115007689748-How-to-Troubleshoot-Audio

Step 2: Test your speakers by clicking on the green button Start (during test set-up). If you don't hear a sound after clicking on Start, your speakers are not set up correctly and you can troubleshoot it here https://theraplatform.zendesk.com/hc/en-us/articles/115007689748-How-to-Troubleshoot-Audio