| Subject | Italian | English |
| astr. | calcolatrice a relay | relay computer |
| commun., IT | Internet relay chat | Internet Relay Chat |
| comp., MS | Media Relay | media relay (A server, in the perimeter network, that has two separate network interfaces or edges (one for accepting connections from internal clients and another for accepting connections from external clients) and that is used to enable applications to pass audio and video data across NATs and firewalls) |
| comp., MS | Relay Server | relay server (A server that manages the exchange of messages or information among different users) |
| comp., MS | relay Teredo | Teredo relay (An IPv6/IPv4 router that can forward packets between Teredo clients on the IPv4 Internet (using a Teredo tunneling interface) and IPv6-only hosts) |
| comp., MS | server Media Relay | media relay server (A server, in the perimeter network, that has two separate network interfaces or edges (one for accepting connections from internal clients and another for accepting connections from external clients) and that is used to enable applications to pass audio and video data across NATs and firewalls) |