POS application - order/invoice interface with SAP.
The application POS (Point Of Sale) must have the following functions:
- dailly two way sync between SAP and POS of materials, prices and stock
- order/invoice management
- the application must work online. offline mode must used with no connection with SAP (must handle a queue)
- protocols between POS and SAP can be BAPI, iDOC or anything compatible