| Subject | Italian | English |
| comp., MS | gateway IP/VoIP | IP/VoIP gateway (A third-party hardware device or product that connects a legacy PBX to a LAN. An IP/VoIP gateway translates or converts TDM or telephony circuit-switched protocols to packet switched protocols that can be used on a VoIP-based network) |
| comp., MS | gateway VoIP | VoIP gateway (A computer device that converts between circuit switch telephony protocols and VoIP protocols) |