| 单词 |
ip centrex |
| 释义 |
DictionarySeecentrexIP CENTREX
IP CENTREXA telephone service in which an IP-based PBX is located in the telephone company's facilities. It connects to the customer via the LAN rather than by telephone wires. IP CENTREX offers voice over IP and other IP-based services as well as connectivity to the regular telephone system (PSTN). See CENTREX and hosted VoIP. |
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