Et enhedsmarked indebærer, at slutbrugerne kan få forbindelse med alle numre i andre medlemsstaters nationale nummerplaner og benytte tjenester, der bruger ikke-geografiske numre inden for Fællesskabet, herunder bl.a. frikalds- og overtakseringsnumre.
A single market implies that end-users are able to access all numbers included in the national numbering plans of other Member States and to access services using non-geographic numbers within the Community, including, among others, freephone and premium rate numbers.