Can I notify the entire team during working hours but use escalations off hours?

Yes, you can obtain this behavior as follows:

  • Create an escalation that notifies all members of your team as in the following example:
  • Create an on-call schedule.
  • Add one rotation for Work Hours that notifies the escalation above within work hours like in the following setup:
  • Add another rotation for Off Hours that notifies your team within the off-hours, like in the following example. Please note that this rotation will notify the members of the team according to the order and time specifications of its escalation policy.
  • Your final schedule will look like the below:

You can refer Teams, Escalations and Schedules for further information.