SettingsTelephone exchange equipment
1ESS switch
The Number One Electronic Switching System, the first large-scale Stored Program Control telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New J...
The Number One Electronic Switching System, the first large-scale Stored Program Control telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New J...
4ESS switch
The 4ESS switch is a Class 4 telephone Electronic Switching System that was the first digital electronic toll switch introduced by Western Electric for long distance switching.
The 4ESS switch is a Class 4 telephone Electronic Switching System that was the first digital electronic toll switch introduced by Western Electric for long distance switching.
5ESS switch
The 5ESS Switch is a Class 5 telephone electronic switching system sold by Alcatel-Lucent.
The 5ESS Switch is a Class 5 telephone electronic switching system sold by Alcatel-Lucent.
AskoziaPBX
AskoziaPBX is an Open Source telephone system (or "PBX") firmware originally created in 2007 by Michael Iedema.
AskoziaPBX is an Open Source telephone system (or "PBX") firmware originally created in 2007 by Michael Iedema.
Asterisk (PBX)
Asterisk is a software implementation of a telephone private branch exchange (PBX); it was created in 1999 by Mark Spencer of Digium.
Asterisk is a software implementation of a telephone private branch exchange (PBX); it was created in 1999 by Mark Spencer of Digium.
Automatic switching system
In data communications, an automatic switching system is a switching system in which all the operations required to execute the three phases of Information transfer transactions are automaticall...
In data communications, an automatic switching system is a switching system in which all the operations required to execute the three phases of Information transfer transactions are automaticall...
AXE telephone exchange
The AXE telephone exchange is a product line of circuit switched digital telephone exchanges manufactured by Ericsson, a Swedish telecom company.
The AXE telephone exchange is a product line of circuit switched digital telephone exchanges manufactured by Ericsson, a Swedish telecom company.
Business telephone system
A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private...
A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private...
Central office multiplexing
Central office multiplexing (or CO muxing) is telephone exchange (central office equipment that derives a number of lower speed channels from one high-bandwidth channel.
Central office multiplexing (or CO muxing) is telephone exchange (central office equipment that derives a number of lower speed channels from one high-bandwidth channel.
Choke exchange
A choke exchange is a telephone exchange designed to limit the effect of high numbers of simultaneous call attempts to that exchange.
A choke exchange is a telephone exchange designed to limit the effect of high numbers of simultaneous call attempts to that exchange.
Class 4 telephone switch
A Class 4, or Tandem, telephone switch is a U.S. telephone company central office telephone exchange used to interconnect local exchange carrier offices for long distance communicati...
A Class 4, or Tandem, telephone switch is a U.S. telephone company central office telephone exchange used to interconnect local exchange carrier offices for long distance communicati...
Class 5 telephone switch
A Class 5 telephone switch is a telephone switch or telephone exchange in the Public Switched Telephone Network located at the local telephone company's central office, directly serving subscribers.
A Class 5 telephone switch is a telephone switch or telephone exchange in the Public Switched Telephone Network located at the local telephone company's central office, directly serving subscribers.
Clos network
In the field of telecommunications, a Clos network is a kind of multistage circuit switching network, first formalized by Charles Clos in 1953, which represents a theoretical idealization of pra...
In the field of telecommunications, a Clos network is a kind of multistage circuit switching network, first formalized by Charles Clos in 1953, which represents a theoretical idealization of pra...
Common control
In telecommunication, a common control is an automatic telephone exchange arrangement in which the control equipment necessary for the establishment of connections is shared by being associated ...
In telecommunication, a common control is an automatic telephone exchange arrangement in which the control equipment necessary for the establishment of connections is shared by being associated ...
Community Dial Office
A "Community Dial Office" (CDO) was a small Class 5 telephone exchange in a rural area.
A "Community Dial Office" (CDO) was a small Class 5 telephone exchange in a rural area.
Crossbar switch
In electronics, a crossbar switch (also known as cross-point switch, crosspoint switch, or matrix switch) is a switch connecting multiple inputs to multiple outputs in a matrix...
In electronics, a crossbar switch (also known as cross-point switch, crosspoint switch, or matrix switch) is a switch connecting multiple inputs to multiple outputs in a matrix...
Digital Multiplex System
Digital Multiplex System (DMS) is the name shared among several different telephony product lines from Nortel Networks for wireline and wireless operators.
Digital Multiplex System (DMS) is the name shared among several different telephony product lines from Nortel Networks for wireline and wireless operators.
Reference computer
Reference Computer is a computerized supplement to PBX (Private Branch Exchange or PBX) that supports the internal telephone directory, absence data and messages.
Reference Computer is a computerized supplement to PBX (Private Branch Exchange or PBX) that supports the internal telephone directory, absence data and messages.
System X (telephony)
System X was the name of the UK's first national digital telephone exchange system.
System X was the name of the UK's first national digital telephone exchange system.
System Y
System Y is a digital telephone exchange system used by British Telecom, the operator of the United Kingdom's telephone network.
System Y is a digital telephone exchange system used by British Telecom, the operator of the United Kingdom's telephone network.
Time-Slot Interchange
A Time Slot Interchange (TSI) switch uses RAM, memory for mapping and a counter.
A Time Slot Interchange (TSI) switch uses RAM, memory for mapping and a counter.
Trading turret
A trading turret is a specialised telephony key system, also known as a Dealer Board, that is generally used by financial traders in conjunction with other tools that make up their Electronic tr...
A trading turret is a specialised telephony key system, also known as a Dealer Board, that is generally used by financial traders in conjunction with other tools that make up their Electronic tr...
Virtual PBX
A virtual PBX is a private branch exchange phone system that is delivered as a hosted service.
A virtual PBX is a private branch exchange phone system that is delivered as a hosted service.