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Tele-Communication (Telecom) Terms Glossary and Dictionary
IP Centrex
IP Centrex is the Central Office Exchange Services (Centrex) for enterprises based on the IP telephony technologies. The traditional Centrex is a telephone switch service used by enterprises in which switching occurs at a central (local) office. In IP telephony, voice conversations can be digitized and packetized for transmission across the network. IP Centrex refers to a number of IP telephony solutions where Centrex service is offered to a customer who transmits its voice calls to the network as packetized streams across a broadband access facility.
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