To modify an existing Rollover group, follow these steps:

1. Click Call Groups in the left menu.
2. Click the Name to select a specific Rollover group.
3. Modify the Rollover group name if required. The Name field cannot be left blank.
4. Add an access PIN into the PIN field to enable Group Presence Control Override Routing via IVR (see Configure Call Group Presence State Call Routing for more information).
5. Modify the Queue checkbox if necessary.
6. Modify the Voice Mail checkbox if necessary.
7. Click Configure Presence State Routing to configure or modify the group’s presence state routing – see Configure Call Group Presence State Call Routing (optional).
8. Update the Members of Call Group list for the selected Rollover group (optional).
9. Modify whether the group members are locked to the selected Rollover group (optional).
10. Modify the call coverage for the selected Rollover group (optional). See Configure Call Group Call Coverage.
11. Click Save.

If a Rollover group has no members assigned to it, or if all members are logged out of their phones, the call goes immediately to call coverage.