| Subject | English | German |
| commun. | access number | Anschlußnummer (ISDN) |
| gen. | access number | Zugriffsnummer |
| gen. | access number | Einwahlnummer |
| commun. | access number | Abfragenummer (voice messaging) |
| commun., IT | discriminated access number | bevorzugte Anrufnummer |
| commun. | network access number | Netzzugangsnummer |
| comp., MS | subscriber access number | Abonnentenzugriffsnummer (A number that is configured in a Private Branch eXchange (PBX) that allows a subscriber to access their Microsoft Exchange mailbox over the telephone) |
| comp., MS | UM access telephone number | Telefonnummer für den UM-Zugriff (A telephone number that points to a hunt group and is the access number for calls that are routed to Unified Messaging servers) |