...
You should have an icon in your tray tools with a little man Cytrack logo on a white background.
...
...
If you open this it’ll launch a tray tool that will persist a notification in the bottom right of your screen if there are calls or alerts present
You can use the little cog button form the dark pane to pop the configuration pane where you select which alerts you wish to receive
...
...
Which should then get you persistent alerts in the bottom right which you can click to clear (Rather than having them disappear after a few seconds)
...