The following SAP enhancements are available for external services:

SRVDET User screen on tabstrip of service detail screen
SRVEDIT Control of service list (maintenance/display)
SRVESI Data conversion: Entry sheet/interface
SRVESKN Set account assignment in service line
SRVESLL Service line checks
SRVESSR Set entry sheet header data
SRVEUSCR User screen on tabstrip of entry sheet
SRVKNTTP Setting of account ass. cat. during import if "U"
SRVLIMIT Limit check
SRVMAIL1 Processing of mail before sheet is generated
SRVMSTLV Conv. of data during import of standard specs.
SRVPOWEB Purchase order for service entry on Web
SRVQUOT Service export/import for RFQ/quotations
SRVREL Changes to communication structure for release
of entry sheet
SRVSEL Selection of services from other systems