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For corporate or enterprise applications, a private telephone exchange is termed a private branch exchange (PBX), which connects to the public switched telephone network. A PBX serves an organization's telephones and any private leased line circuits, typically situated in large office spaces or organizational campuses.
Early-1970s Telephone Exchange model TESLA Automatic system Early model 464G Western Electric key telephone set. A business telephone system is a telephone system typically used in business environments, encompassing the range of technology from the key telephone system (KTS) to the private branch exchange (PBX).
An off-premises extension (OPX), sometimes also known as off-premises station (OPS), is an extension telephone at a location distant from its servicing exchange.. One type of off-premises extension, connected to a private branch exchange (PBX), is generally used to provide employees with access to a company telephone system while they are out of the office.
An IP PBX ("Internet Protocol private branch exchange") is a system that connects telephone extensions to the public switched telephone network (PSTN) and provides internal communication for a business.
A Private Branch Exchange (PBX) is a telephone exchange device that acts as a switchboard to route phone calls within an organisation. This technology developed into Automated Call Distribution systems using computer technology to automatically connect incoming calls to recipients based on programmable logic.
Private Automatic Branch eXchange: Europe PBX: Private Branch eXchange: US PMBX: Private Manual Branch eXchange: UK POTS: Plain Old Telephone Service PSTN: Public Switched Telephone Network RCMAC: Recent Change Memory Administration Center: US REN: ringer equivalency number SMS: Short Message Service (i.e. text messages) SF: Single Frequency ...
Nortel Meridian is a private branch exchange telephone switching system. It provides advanced voice features, data connectivity, LAN communications, computer telephony integration (CTI), and information services for communication applications ranging from 60 to 80,000 lines. [1]
Title 47 CFR Part 68 is a section of the Code of Federal Regulations of the United States that regulates the direct electrical connection of telecommunications equipment and customer premises wiring with the public switched telephone network, certain private line services, and connection of private branch exchange (PBX) equipment to certain telecommunication interfaces.