Class 5

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Class 5

A telephone term for equipment and services that are customer facing. The Class nomenclature was coined by AT&T. See end office switch and Class 4.
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References in periodicals archive ?
Announcing the launch the company's VP said that this release of class 5 switch will permit service providers to drill down to the last link in the communications and offer a bouquet of services for residential users.
has selected the MetaSwitch VP3500 Next Generation Class 5 Switch to provide packet voice services to business customers in northwest Indiana.
will cap its existing Nortel DMS-10 switch and grow with Taqua's Open Compact Exchange (OCX) next-generation Class 5 switch. EPIC TOUCH CO.
Today's Class 5 switch is the equivalent of the mainframe computer, but with attached phone sets (dumb terminals).
The two-way infrastructure consists of a multimedia terminal adapter (MTA) located at the customer premises, a cable modem termination system (CMTS) located in the cable headend communicating over an HFC network, as well as the iMerge NCSG and class 5 switch. The iMerge NCSG and class 5 switch have the flexibility to be located with the CMTS at the cable headend or the central office.
Voice over Internet protocol is an end-to-end solution that allows service providers to bypass the PSTN altogether, avoiding the expense of a Class 5 switch. Like VoATM, VoIP offers good quality of service; however, VoIP provides a more flexible protocol than VoATM for the delivery of voice over DSL.
Coupled with Taqua's Class 5 switch on a card, service providers can deliver enhanced voice services without the expense and restraints typical of a traditional voice network," Flynn continued.
Partnership Realizes Vision of All-Packet Access Network Using Occam Broadband Loop Carrier and MetaSwitch Next Generation Class 5 Switch
Taqua, Inc., a leading provider of next-generation Class 5 alternative switching platforms for voice and data convergence, has announced that Rice Belt Telephone has chosen its Open Compact Exchange (OCX) to replace its current Class 5 switch.
The SS7-enabled network access system bypasses the end office class 5 switch by enabling carriers to connect ISPs to the PSTN using SS7 signaling and Inter Machine Trunks (IMTs) rather than PRIs.
In a VoDSL application (Figure 3), the VoDSL gateway can support either a traditional TDM interface (GR303) to a standard Class 5 switch, or it can support a suitable "packet" oriented interface, such as MGCP.