| Subject | English | Spanish |
| comp., MS | IP/VoIP gateway | puerta de enlace IP/VoIP (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 | VoIP gateway | puerta de enlace VoIP (A computer device that converts between circuit switch telephony protocols and VoIP protocols) |