| Subject | English | German |
| commun. | packet-switched data exchange | Datex-P (paketvermitteltes Datennetz n (Dx-P), network; DBT, X.21, X.25, corresponds to PSS, GB) |
| commun. | packet-switched data exchange | paketvermitteltes Datennetz (Datex-P, network) |
| comp. | packet-switched data exchange | paketvermittelte Datenübertragung |