out-of-band

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Taking place outside of a defined telecommunications frequency band.
    — In this additional spectrum, in-band signaling was sent down the wires outside the frequencies used for conversation. Actually, the signals were sent across the 3,500- and 3,700-Hz frequencies. Although these worked and were not in the talk path (out of the band) they were limited in the number of tones that could be sent.
  2. Transmitted on a different channel, or by a different method, from that of the primary communication channel. broadly
  3. Relating to communication, such as identity verification, via a method other than the primary means of accessing the software.
    — One great way of solving the phishing problem is doing out-of-band authentication.
  4. Of a value returned by a function: not in its natural range of return values, but rather signaling an exception.

词汇关系

反义词
inband
衍生词
out-of-band signaling
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