SAP ABAP Data Element MSSERVNO (Service port number) is used by

• Class (1)
• Function Module (4)
• Program (6)
• Table (17)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_RFC_TT_FACTORY	CL_RFC_TT_FACTORY	STTREL	BASIS	SAP_BASIS