1. Private Branch Exchange
... computer within the system. • Memory • Stations or telephone sets, also called lines. • Trunks which terminate into the PBX • Network switches • Information transfer or bus, carries information to and from the computer • Common logic, power cards, which facilitate system operation • Battery back-up, prevents power failures • Wiring infrastructure, which enables ... based communication system, which offers advanced communications features. Centrex is a generic term for central office-based telephone services (HE 7607 pg. 12). Centrex provides an alternative to Private Bra...
- Word Count: 1613
- Approx Pages: 6
- Grade Level: High School