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来自维基百科,自由的百科全书
随路信令是指在呼叫接续中所需的各种信令通过该接续所占用的中继电路来传送的信令,而公共信道信令是指在利用交换局之间的一条集中的信令链路为多条线路传送信令的方式。
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.