CPV code 48445000 designates Customer Relation Management software package in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
48445000 is a leaf code — the most specific level of its branch — so it can be used directly as the main CPV code of a contract notice. If it does not quite fit, check the neighbouring codes under 48440000 (Financial analysis and accounting software package).