Hi there! I understand that you're missing incoming calls on Bria and they don't even appear to come through. Let's try to get this sorted out for you.

To help me assist you better, could you tell me a bit more?

- Are you noticing this issue all the time or just sometimes?
- Are you running Bria on your Windows 10 device and is the app open/running when this happens?
- Have you noticed if calls go to voicemail or just don't ring at all?
- Have you checked whether notifications for Bria are enabled on your device?

Usually, when Bria is not running or notifications are blocked, incoming calls can be missed because they either go to voicemail or no alert is shown. Here's a simple step-by-step checklist to start:

1. Make sure Bria is running: Check the system tray or task manager to confirm Bria is running in the background.
2. Enable Notifications:
- Go to Settings > System > Notifications & actions.
- Look for Bria in the list and make sure notifications are turned ON.
3. Check App Permissions:
- Go to Settings > Apps > Bria.
- Under Permissions, ensure Bria has access to Microphone and Notifications.
4. Network Connectivity: Confirm your Windows device has a stable internet connection, as dropped connections can cause missed calls.
5. Voicemail Settings: If you have voicemail configured, verify if calls might be going directly there.

If you've already tried these or they don’t resolve the issue, we can dive deeper into Bria’s SIP account settings or check for any firewall/antivirus blocking the App's connectivity.

Let me know which steps you've tried or if you want me to guide you through any of these in more detail!