Yes, you can deactivate the call notification function on the Garmin vivomove Sport. To do this, you need to use the Garmin Connect app on your smartphone and adjust the notification settings. Here are the general steps:

1. open the Garmin Connect app: Make sure you have the latest version of the app.
2. select device: Select your Garmin device from the list of connected devices.
3. change notification settings: Go to the notification settings and deactivate the option for call notifications.

These settings allow you to control and customise certain notifications to personalise your experience with the smartwatch.