In general, you can rely on Autotask to automatically close Service Calls if you set a Ticket to Complete. (You can read how to enable that setting in Autotask here.) However, you can also use Rocketship to bulk close Service Calls while completing a ticket (or at any other time).
Let’s walk through the Workflow for this:
This Workflow is now published to your team.
In the Ticket Insight, if you trigger this Workflow, it will force the user to enter a note, and then the Workflow will close the ticket and all open service calls associated with the ticket.
Note: Workflows are queued, so it may take a few seconds.