@deborahahayward I assume that is a question about how to turn notifications on. Try this [https://us.community.samsung.com/t5/Galaxy-S21/How-can-I-get-notifications-for-voicemail/td-p/2080986|from Samsung]:
/// if you use Visual Voicemail[br]
[br]
Swipe down top shade, tap on gear Settings icon upper right[br]
[br]
* Tap on Notifications[br]
* Tap More, then tap on Most Recent drop-down and tap on All[br]
* Scroll down and tap on Visual Voicemail[br]
[br]
Be sure it's On[br]
Tap on Notification categories[br]
Be sure all are On[br]
[br]
Tap left arrow twice to get back to Apps list[br]
//// Done with visual voicemail[br]
[br]
* Scroll back and tap on Phone[br]
* Tap on Notification categories[br]
* Tap on Voicemail[br]
[br]
Be sure all are turned On
Use the [document|32117] page 30 to tell you all about the Notification Panel.