| 单词 | IP Centrex |
| 释义 | IP Centrex Synonymous with hosted PBX and virtual Centrex. Centrex service provided from a net- work-based carrier-class IPBX platform to which the user organization connects over the public Internet or a private IP network as though it were a remote Centrex central office (CO). See also carrier-class, Centrex, Internet, and IPBX. |
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