Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] common costs, i.e. costs which cannot be directly assigned to either the voice telephony service or other activities [..]
Avots: Directive 98/10/EC of the European Parliament and of the Council of 26 February 1998 on the application of open network provision (ONP) to voice telephony and on universal service for telecommunications in a competitive environment