out-of-band

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out-of-band

adjective

  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 t
  2. broadly Transmitted on a different channel, or by a different method, from that of the primary communication channel.
  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.

Opposite: inband

Thesaurus

adjective

Opposite: inband

Translations

Every language

adj telecommunications: outside of a defined telecommunications frequency band

Françaishors bande
Deutschaußerband-, bandfern

adj telecommunications: on a different channel, or by a different method

Françaishorsbande
DeutschOut-of-Band-
Русскийвнеполосный vnepolosnyj

adj computer security: via a method other than the primary means of accessing the software

Françaishorsbande
DeutschOut-of-Band-

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MLA

"out-of-band." Wiktionary, via Micwyn, micwyn.com/word/out-of-band. Accessed 7 Nov. 2026.

APA

out-of-band. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/out-of-band

Chicago

"out-of-band." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/out-of-band.

BibTeX
@misc{out_of_band_2026,
  title = {out-of-band},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/out-of-band},
  urldate = {2026-11-07}
}