If permanently removing the component, the configuration will need to be edited to remove redundant trunk or extension/user entries.
To permanently remove a component
2.Switch off power to the system.
3.Remove the card or external expansion module.
4.Restart the IP Office system.
5.Use IP Office Manager to delete the trunks or extensions/users in the configuration that relate to the component removed.
6.In the Control Unit section of the configuration, delete the entry for the component that is no longer present in the system.