Facetime not ringing for incoming calls on Macbook Pro

Re: "New Macbook Pro : "Facetime does not ring if I receive a call".

Guessing you have checked "do not disturb" is not turned on, and the volume is set high enough for alerts.

Does checking through the FaceTime settings, or

switching to a different ringtone make a difference

Change General settings in FaceTime on Mac - Apple Support

You may want to make sure:

✽ your settings "Allow notifications from FaceTime"

✽ you have selected a FaceTime alert style, and

✽ "Play Sound for notifications" has been selected.

More info: Use Notification Center on Mac - Apple Support

Else: Wondering if updating to the newest available MacOS version may help:

What's new in the updates for macOS Sonoma - Apple Support

Eg: says macOS Sequoia 15.4.1

and "This update provides important bug fixes and security updates and is recommended for all users."

(NB: Reminder: It is always wise to back up your Mac before updating MacOS)

FaceTime generally requires a strong wi-fi signal between Apple to Apple devices

Wondering if your Mom is contacting you using cellular data or over wi-fi ... using android or Apple

Troubleshooting: If you can’t make or receive calls in FaceTime on Mac - Apple Support

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If needed: More info: / support / contact options (online chat / phone / email etc.):

The FaceTime Support Team's Website: FaceTime - Official Apple Support

Yes, you can try uninstalling and reinstalling the FaceTime app on your Macbook Pro. This may help resolve the issue with notifications not coming through for incoming calls.