@Roberto
I'm sorry to hear you're experiencing issues with your assistant during calls. The error message "existing meeting because room was deleted" suggests that the virtual room or session that was being used for the call was somehow removed or terminated unexpectedly. This could be due to a variety of reasons, such as a configuration issue or a problem with the service maintaining the call.
To help you resolve this issue, I would recommend checking the following:
1. Ensure that the assistant's configuration is correct and that it has the necessary permissions to maintain a session.
2. Verify that the service hosting the virtual room is operational and not experiencing any outages or disruptions.
3. Check if there are any time limits or conditions that might automatically terminate the room after a certain period or due to inactivity.
4. Review any recent changes to the system or updates that might have affected the stability of the call sessions.
If you've gone through these steps and the problem persists, it may be best to reach out to the support team for further assistance. They can provide more detailed troubleshooting and help identify the root cause of the issue.