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Sonoma Systems to Demonstrate Voice Over ATM and Full PBX Capabilities At Broadband Year'99.

MARINA DEL REY, Calif.--(BUSINESS WIRE)--July 6, 1999--

Sonoma Systems Tuesday announced it will do a live demonstration of Voice over ATM (VoATM) with its newly announced Sonoma Integrator(TM) and will also demonstrate a fully operational future version of the Sonoma Integrator with complete PBX capabilities at BroadBand'99 in San Diego.

The Sonoma Integrator and Sonoma Access(TM) combine voice and data over a single ATM link.

Circuit Emulation Services (CES) will be used to show VoATM on the Sonoma Systems Integrated Access Devices (IAD). CES is the only proven, fully interoperable standard for VoATM. VoATM has many advantages over Voice over Internet Protocol (VoIP) and Voice over Frame Relay (VoFR).

VoATM is the only available technology that can ensure the end-to-end Quality of Service (QoS) needed to ensure high fidelity voice while enabling business-class data services and Internet access over the same broadband connection.

The Sonoma Integrator is a Broadband Integrated Access Device (IAD) designed to allow service providers and ISPs to provision data and voice network access. Sonoma Integrator provides the high bandwidth interface (up to four T1 or E1 IMA ports) and low cost points needed to support branch office connectivity, allowing a seamless interface between corporate networks and service provider's ATM networks.

Most importantly, this new generation of IAD platform offers convergent connectivity, progressive performance increases and low cost of ownership. It is the industry's only IAD that provides software-selectable bandwidth expansion from a single, cost-effective T1/E1 UNI to up to four T1/E1 Inverse Multiplexing over ATM (IMA) ports.

Sonoma Integrator subscriber interfaces include 10 and 100 Mbps Ethernet and Circuit Emulation Services (CES), enabling high-speed data, Transparent LAN Services, video transport and PBX-based voice services.

Sonoma Integrator's carrier-class IP capabilities deliver business-class Internet access services that transparently support changes in the subscriber network, eliminating complex and time consuming reconfigurations of the carrier network.

The Sonoma Access multiservice Integrated Access Device supports voice, Frame Relay (FRF.5 and FRF.8), 10 and 100 Mbps Ethernet, 4 and 16 Mbps Token Ring, FDDI, Circuit Emulation Services (CES) and a variety of ATM interfaces including DS1/E1 UNI, DS1/E1 Inverse Multiplexing over ATM (IMA), DS3/E3 and OC-3c.

About Sonoma Systems

Sonoma Systems develops, manufactures and markets high performance Broadband Integrated Access Devices that enable service providers to deliver a customized bundle of services (voice, data and video) at industry-leading price points and with a low cost-of ownership.

Sonoma Systems has headquarters in Marina del Rey, a technology center located in Marlborough, Mass., and sales and support offices located throughout North America and in the United Kingdom. Additional information on products is available on the Sonoma Systems Web site at

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Except for the historical information presented, the matters discussed in this news release are forward-looking statements that involve risks and uncertainties including the timely development and successful acceptance of its new and enhanced broadband access products, the acceptance of new technology such as ATM, the impact of competitive products and the dependence on key partners and alliances.

Note to Editors: Sonoma Systems, the Sonoma Systems logo, Sonoma Integrator and Sonoma Access are registered trademarks of Sonoma Systems Inc.
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Publication:Business Wire
Date:Jul 6, 1999
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