CPV code 92231000 designates International bilateral services and international private leased lines in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
92231000 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 92230000 (Radio and television cable services).