Maintenance Call Object 
Definition
An object which is generated by the system for a due maintenance call.
Use
You define which maintenance call object the system should generate in the
maintenance plan category. For example, there are the following call objects:
- Maintenance order (PM order)
- Service order
- Maintenance order with maintenance notification (Customizing setting)
- Service order with service notification (Customizing setting)
- Maintenance notification
- Service notification