单词 | end office |
释义 | end office A local central office (CO), which is at the end, or edge, of the public switched telephone network (PSTN). An end office is the point at which subscriber local loops and network trunks terminate and interconnect. Synonymous with central office (CO), central office exchange (COE), and Class 5 office. See also Class 5, CO, and PSTN. |
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