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TollBridge Technologies Demonstrates Voice over Cable At Cable 2000 Show.

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Cable 2000 Show

SANTA CLARA Santa Clara, city, Cuba
Santa Clara (sän`tä klä`rä), city (1994 est. pop. 217,000), capital of Villa Clara prov., central Cuba.
, Calif.--(BUSINESS WIRE)--May 8, 2000

Tollbridge Voice-over-Cable Solution Allows MSOs to Deploy Today

Leveraging DOCSIS (Data Over Cable Service Interface Specification) A cable modem standard from the CableLabs research consortium (, which provides equipment certification for interoperability.  Cable Modem cable modem

Modem used to convert analog data signals to digital form and vise versa, for transmission or receipt over cable television lines, especially for connecting to the Internet.
 Networks, PacketCable-based MTAs, and

Class 5 Switches

TollBridge Technologies, the leading developer of high-quality voice-over-broadband solutions for the new generation of carriers, will demonstrate its voice-over-cable solution at the Cable 2000 Show in New Orleans, May 7-10. Voice-over-Cable represents the next major evolution in TollBridge's Voice over Broadband strategy. The TollBridge TB200 Voice Gateway will be the centerpiece of a voice-over-packet cable demonstration on a Data-over-Cable Service Interface Specification (DOCSIS) network, showcasing the advantages of its superior voice quality and services for cable. The TB200 Voice Gateway is being widely deployed for Voice-over-DSL applications today.

"IP-based voice-over-cable solutions enable cable multiple system operators (MSOs) to use their DOCSIS high-speed data networks to offer telephony services," said Agnes Imregh, vice president of marketing at TollBridge Technologies. "IP telephony allows them to avoid the capital, operational, and spectrum inefficiencies inherent with maintaining a separate voice network. By migrating to IP telephony, cable operators can create an integrated multi-service communications system that optimizes bandwidth efficiency and reduces per-subscriber capital and operating costs."

The TollBridge solution takes advantage of all of the CLASS and custom calling services that are delivered by a Class 5 switch, which is important, since customers expect to get the same services that they currently receive from the incumbent carrier. It also enables MSOs to provide efficient, bundled voice, data, and video service packages that reduce customer churn. By leveraging the existing broadband, switching, and data infrastructure, MSOs can deploy cost-effective IP telephony services today, increasing their time to market, and maximizing market share.

Visitors to the TollBridge booth will be able to initiate and receive phone calls on the TollBridge platform over a DOCSIS cable data modem network to the public switched telephone network (PSTN (Public Switched Telephone Network) The worldwide voice telephone network. Once only an analog system, the heart of most telephone networks today is all digital. In the U.S. ) via a GR-303 interface. A TollBridge TB50 Integrated Access Device An IAD is a customer premises device that provides access to wide area networks and the Internet. Specifically, it aggregates multiple channels of information including voice and data across a single shared access link to a carrier or service provider PoP (Point of Presence).  (IAD (Integrated Access Device) A device that multiplexes a variety of communications technologies in the customer's premises onto a single telephone line for transmission to the carrier. It also demultiplexes the incoming streams into their respective channels. ) and a Broadcom Multimedia Terminal Adapter (MTA (1) (Message Transfer Agent or Mail Transfer Agent) The store and forward part of a messaging system. See messaging system.

(2) See M Technology Association.

1. (messaging) MTA - Message Transfer Agent.
) will packetize the calls for transport over the DOCSIS network to the TollBridge TB200. The TB200 will enable calls to be placed to the outside world or to another line on the cable or a DSL DSL
 in full Digital Subscriber Line

Broadband digital communications connection that operates over standard copper telephone wires. It requires a DSL modem, which splits transmissions into two frequency bands: the lower frequencies for voice (ordinary
 network being demonstrated at the show.

"The TollBridge solution offers MSOs a modular "pay as you grow" strategy," said Gregory Hutterer, director of cable product marketing at TollBridge Technologies. One TB200 can be installed in a central office or point of presence to serve an entire metropolitan area. Packet Cable(TM) based MTAs are installed as required at the customer premises, and additional TB200s can be deployed as demand warrants in the central office. The initial cost for a TB200 is between $100,000 and $150,000, which is a small investment compared to the millions of dollars a MSO (1) (Multiple System Operator) Typically refers to a cable TV organization that owns more than one cable system, but it may refer to an operator of only one system.  would have to initially spend to deploy circuit switched HDTs in all the head ends in a metropolitan area.

About TollBridge Technologies

Founded in March 1998 and located in Santa Clara, Calif., TollBridge Technologies is the leading provider of high-quality voice-over-broadband solutions to the new generation of carriers. TollBridge solutions change the economics of delivering voice services by allowing carriers that own Class 5 switches to use broadband access technologies, such as DSL or cable, to bypass the Incumbent Local Exchange Carrier ILEC, short for incumbent local exchange carrier, is a local telephone company in the United States that was in existence at the time of the break up of AT&T into the Regional Bell Operating Companies (RBOCs) also known as the "Baby Bells".  (ILEC (Incumbent Local Exchange Carrier) A traditional local telephone company such as one of the Regional Bell companies (RBOCs). Contrast with CLEC. See ELEC and TELRIC. ) and deliver toll-quality voice and integrated data services. For more information about TollBridge Technologies, visit the company's Website at or contact Rich Farana at (408) 585-6114.
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Publication:Business Wire
Date:May 8, 2000
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