Telephony and Telegraphy. Of a telephone or line: that is permanently for the exclusive use of the subscriber, or not connected to the public…
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| 单词 | θ198043 |
| 释义 | society > communication > telecommunication > telegraphy or telephony > telephony > [adjective] > status of line (5) private1852 Telephony and Telegraphy. Of a telephone or line: that is permanently for the exclusive use of the subscriber, or not connected to the public… busy1883 Originally U.S. spec. Of a telephone or telephone line: = engaged, adj. 3; (of a signal, etc.) indicating this. See also busy tone n. at compounds 2. engaged1891 Telephony. Of a number or line: in use and therefore unavailable to a second caller; of a person: telephoning. Hence engaged signal, engaged-test, en… secure1961 Of encryption, or telecommunications or computer systems: protected from unauthorized access; free from the risk of being intercepted, decoded… scrambled1962 In the senses of the verb. |
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