| Subject | English | German |
| commun. | off network calling | Off-Network-Calling |
| comp., MS | off-network | netzextern (Pertaining to dialing a number not serviced by the user's PBX or Unified Communications deployment) |
| el. | off-network access line | Zugangsleitung zum Verbindungsnetz |
| el. | off-network access line | Zugangsleitungsbündel zum Verbindungsnetz |
| IT | off-network optimum exit capability | optimales Verlassen eines Netzwerkes |
| commun. | off-site paging network | überlokales Funkrufnetz |
| commun., IT | roll-off network | Rauschdämpfungsnetz |