end office switch

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A telephone central office switch that connects directly to the customer. Also called a "Class 5 switch" or "TDM switch," an end office switch is a computer specialized for TDM-based, circuit-switched telephone calls. It handles services such as call forwarding and call waiting. Such switches are typically from Lucent and Nortel Networks (see ESS and DMS).

Most of the call recording and billing is also performed in Class 5 end office switches, whereas in the past, it was handled in Class 4 tandem switches. Local telephone companies use both end office and tandem switches, which may be the exact same hardware with services differentiated only by software. See tandem switch.

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References in periodicals archive

AMA
carrier switch
carrier-class switch
central office switch
Class 5 switch

end office
tandem switch
telco switch
toll switch

In this configuration, carriers can pick up incoming calls at the originating switch and bypass not only the end office switch, but also the rest of the circuit switched network.

Adopting Open Systems And SS7 In Remote Access Environments by Guedalia, Nathan / Computer Technology Review

In addition, the smaller scale of the VP2510 integrated softswitch configuration also addresses the market need for a migration path for standalone end office switch locations.

MetaSwitch Introduces Small Form-Factor Media/Signaling Gateway and ... by Business Wire

As a true end office switch alternative to traditional Class 5 switches, the OCX is based on an open, scalable architecture, and is targeted towards Competitive Local Exchange Carriers (CLECs) and Independent Telephone Operating Companies (ITOCs).

Taqua Systems Announces Availability of Open Compact Exchange With ... by Business Wire

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