About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 72. Chapters: Telephone switchboard, Main distribution frame, Automatic call distributor, Electronic Switching System, Flood search routing, Distributed switching, Semiautomatic switching system, TXE, Telephone exchange, Number Five Crossbar Switching System, Nonblocking minimal spanning switch, Panel switch, GTD-5 EAX, Verizon Building, TouchWave, Stored Program Control exchange, Centrex, Nortel Meridian, Stepping switch, Avaya Definity, Director telephone system, LinuxMCE, Meridian Norstar, Softswitch, Unison, Number One Crossbar Switching System, Automatic Message Accounting, Nokia DX 200, DMS-100, Strowger switch, Druid OSE, Rotary system, Wire spring relay, 3CX Phone System, TXK, Message Sequence Chart, Pbxnsip, Elastix, Direct inward dialing, EWSD, IBM 1750, 2750 and 3750 Switching Systems, Marker, Trixbox, Class of service, Audio Messaging Interchange Specification, TOPS, SP-1 switch, Limited availability, Telephone related articles, Switch56, Foreign exchange service, YXA, International gateway exchange, BORSCHT, PRX, Carrier Pre-Selection. Excerpt: TXE, which stands for Telephone eXchange Electronic, was the designation given to a family of telephone exchanges developed by the British General Post Office (GPO), now BT, designed to replace the ageing Strowger systems. When World War II ended, the UK telephone exchange suppliers supported the GPO's decision to stay with Strowger until a viable electronic system became available. The GPO largely did this to protect their success in the export market, but it actually had the effect of ultimately destroying it. This allowed competitors to develop their own improved switching systems ahead of the GPO. In 1960 the situation rapidly changed when the Australian PO rejected a system from a consortium of British manufacturers who offered a register-controlled version of a motor-uni...