| 单词 | public switched telephone network |
| 释义 | > as lemmaspublic switched telephone network public switched telephone network n. Telecommunications the network of telephone circuits that are accessible by the public and require the setting up of a dedicated connection between the calling and the called numbers for the duration of each call. ΚΠ 1965 Times 7 Oct. 23/2 A high speed half duplex data transmission terminal..will work on-line into its Manchester Atlas computer over the G.P.O. public switched telephone network using the G.P.O. Datel Set 1A. 1993 Videography Winter 22/3 Dial tone carries with it connotations of the flexibility of the entire public switched telephone network (PSTN): the ability to call anywhere in the world, at any time, for any purpose. 2005 Gold Coast Bull. (Austral.) (Nexis) 5 Apr. 27 VoIP transmits your voice from one phone to another using the internet..at a fraction of the cost of using the public switched telephone network. < as lemmas |
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