| Subject | Spanish | English |
| commun., IT | canal de comunicaciones | communication channel |
| comp., MS | canal de comunicación | communications channel (A medium for transferring information. Depending on its type, a communications channel can carry information (data, sound, and/or video) in either analog or digital form. A communications channel can be a physical link, such as the cable connecting two stations in a network, or it can consist of some electromagnetic transmission on one or more frequencies within a bandwidth in the electromagnetic spectrum, as in radio and television, or in optical, microwave, or voice-grade communication) |
| comp., MS | canal de comunicación | communication channel (A medium for transferring information. Depending on its type, a communications channel can carry information (data, sound, and/or video) in either analog or digital form. A communications channel can be a physical link, such as the cable connecting two stations in a network, or it can consist of some electromagnetic transmission on one or more frequencies within a bandwidth in the electromagnetic spectrum, as in radio and television, or in optical, microwave, or voice-grade communication) |
| el. | canal de comunicación coherente | coherent communication channel |
| IT | canal de comunicación de banda ancha | broadband communication channel |
| tech. | canal de comunicación directo | hot line |
| nat.sc. | controlador del canal de comunicaciones | communications channel controller |
| IT | encripción del canal de comunicaciones | link encryption |
| IT | encripción del canal de comunicaciones | communications link encryption |
| el. | establecimiento de la comunicación fuera del canal de conversación | off-air call set-up |
