centrex

基本解釋

A variation of a traditional Centrex telephony system is called IP Centrex.
傳統(tǒng)的Centrex電話系統(tǒng)的另一種形式稱為IP Centrex。
Centrex frequently uses analog telephone lines for the connections to a business or organization.
Centrex經(jīng)常使用模擬電話線路為公司或組織提供電話連接。
Centrex uses the telephone company's central office exchange to route internal calls back to an extension.
Centrex使用電話公司的中央辦公室交換機(jī)將內(nèi)部電話又路由回到分機(jī)號(hào)碼上。
Exchange 2007 Unified Messaging may require that you install, deploy, and maintain IP gateways to work with IP Centrex.
Exchange 2007統(tǒng)一消息可能需要您安裝、部署和維護(hù)IP網(wǎng)關(guān),這樣該消息才能與IP Centrex一起使用。
Centrex telephony systems are sometimes used by larger organizations, but are most frequently found in government, public, and private organizations.
大型組織有時(shí)也使用Centrex電話系統(tǒng),但多數(shù)是在政府、公共部門和私有組織中使用。