...
Notifications are an important entity in the operations space because you as an individual or as a member of a team don't want to miss out on any important events that might lead to severe disruption. Notifying the members or the team as a whole of a team that’s equipped to manage operations at the right time - before the incident occurs or immediately after - is business-critical.
Jira Service Management can notify designated individuals in a variety of methods according to their own notification settings when a significant event such as alert creation, alert acknowledgment, start/end of an on-call rotation, etc. occurs. You as a member of a team that manages operations can use alert notifications settings in Jira Service Management to:
Specify ways in which you prefer receiving notifications (email, SMS, voice, push)
Define notification rules so you can receive only the relevant notifications for a specific set of events at desired times
Set up DND, notification sounds, critical alert options, etc.
Jira Service Management offers a variety of default rules that are auto-configured for users of a team that’s equipped to manage operations and are turned on with email as the default contact method for notifications.
The Alert notifications tab
...