Receiving sound notifications by jumping alarms is possible thanks to the Monitoring of the Ajax Pro Desktop PC software. It is located in the initial tab of the program (before selecting any Hub) and when you click on its tab, another window opens with a notification log and all kinds of information (event, comments, hub, user...).
To receive the sound notification, we simply have to open that tab and, if we want, leave it in the background because when an alarm goes off the window will pop up and sound like a siren. It looks like this: