Here we would like to draw your attention to OSSC transaction code in SAP. As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).OSSC is a transaction code used for Appt. Calendar: Appt. Type Maint. in SAP.
It comes under the package SZTK.
Transaction OSSC technical data table
|Purpose||Appt. Calendar: Appt. Type Maint.|