| Subject | English | Spanish |
| comp., MS | media relay server | servidor relé multimedia (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 | servidor de retransmisión (A server that manages the exchange of messages or information among different users) |