It sounds like your browser may have blocked microphone access, which is required for Vapi assistants to work.
Please try the following:
1. Go to your browser's address bar and click the lock icon next to the website URL.
2. Check "Permissions" and make sure the microphone is set to "Allow."
3. Refresh the page and try again.
If the issue continues, try clearing your browser cache or using a different browser.
If none of these steps work, [contact Vapi support](
https://docs.vapi.ai/support) for further assistance.
Sources:
- [Vapi Web SDK Documentation](
https://docs.vapi.ai/sdk/web)
- [Call End Reasons](
https://docs.vapi.ai/calls/call-ended-reason)
- [Vapi Support](
https://docs.vapi.ai/support)