| Subject | English | Italian |
| commun., IT | ISDN virtual circuit | circuito virtuale ISDN |
| IT | permanent virtual circuit | circuito virtuale permanente |
| commun. | reset of a virtual circuit | ripristino di un circuito virtuale |
| IT | switched virtual circuit | circuito virtuale commutato |
| commun. | virtual circuit | circuito logico |
| commun. | virtual circuit | circuito virtuale |
| comp., MS | virtual circuit | circuito virtuale (A connection between communicating computers that provides the computers with what appears to be a direct link but can actually involve routing data over a defined but longer path) |
| IT | virtual circuit switching | commutazione di pacchetto a circuito virtuale |