英语词汇“public switched telephone network (PSTN)”的翻译、意思、用法、释义-英汉经管词典

单词	public switched telephone network (PSTN)
释义	public switched telephone network (PSTN) Definition Regular telephone service that gives a dial tone, and the ability to dial up any phone number for analog (voice) or digital (data) communications over ordinary telephone lines. This service sets up a path (circuit) between the calling and the called party, and maintains it for the duration of the call. Also called public switched network.
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