| Inglés | Español | |
|---|---|---|
| Computer | ||
| Computer | trunk exchange | central de enlace |
| Engineering | ||
| Engineering | trunk exchange | central de enlace |
| Engineering | trunk exchange | central interurbana |
| Telecommunication | ||
| Telecommunication | trunk exchange | central interurbana |
| Inglés | Español | |
|---|---|---|
| Engineering | ||
| Engineering | terminal trunk exchange | central interurbana de cabecera |
| Engineering | international trunk exchange | centro cabecera de línea internacional |
| Engineering | manual trunk exchange | central interurbana manual |
| Telecom | ||
| Telecom | trunk-switching exchange area | red telefónica urbana de conexiones [f] |
| Telecommunication | ||
| Telecommunication | central exchange trunk | central de comunicaciones |
| Telecommunication | main trunk exchange area | zona de central interurbana principal |
| Telecommunication | central exchange trunk [uk] | enlace oficina central |
