CPV code 50334100 designates Repair and maintenance services of line telephony equipment in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
50334100 sits under 50334000 (Repair and maintenance services of line telephony and line telegraphy equipment) and groups 4 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.