July 13, 2004

MontaVista Linux Powers Occam Network's BLC 6000

Annette Oevermann writes "MontaVista Linux Powers Gigabit Ethernet and IP-Based Loop Carrier System for Voice and Broadband Service Delivery

Occam Network's BLC 6000 System provides voice, data and video services quickly and easily to thousands

SUNNYVALE and SANTA BARABARA, Calif., July 13, 2004 -- MontaVista Software, Inc. and Occam Networks (OTCBB:OCCM), a supplier of innovative Ethernet and IP-based loop carrier equipment to telecommunications service providers worldwide, today announced that MontaVista® Linux® Professional Edition is the chosen operating system (OS) for Occam's flagship product - the BLC 6000 Broadband Loop Carrier System.

The BLC 6000 System is a complete loop carrier system that uses Ethernet and Internet Protocol (IP) as core transport and service protocols, to deliver voice, video and high-speed data services to residential and business subscribers. It integrates standard IP protocols for transport and control, offers scalable Ethernet trunking, and eliminates the need for additional pieces of access equipment such as a DSLAM, Ethernet switch, Optical Add Drop multiplexer or VoIP gateway. The BLC 6000 System is also the first loop carrier system to integrate Gigabit Ethernet transport, which provides cost effective bandwidth for high numbers of DSL subscribers, as well as video distribution and delivery of triple play services.

"Telephone companies are shifting to a Broadband IP delivery model for all of their services," said Kris Sowolla, vice president of Marketing for Occam Networks. "They are looking for a new generation of access network equipment such as Occam's BLC 6000 to take them into the future. Basing our product on a robust and flexible operating system such as MontaVista Linux has enabled us to create a platform to deliver triple play end-user services -- voice, video and data -- in a simple and affordable way."

"Telecommunications equipment manufacturers, such as Occam, want to deliver advanced new products to market quickly and at a competitive price point," said Kelly Herrell, senior vice president, Strategic Operations, MontaVista Software. "Supporting this goal, MontaVista Linux provides Occam with a scalable, high performance solution that has strong networking capabilities, tremendous flexibility and a high level of service reliability."

 Why MontaVista Linux was chosen?

A key advantage was that Occam Networks was able to get their flagship product to market in a very short period of time. Occam felt that they could have achieved some of their goals by using a commercial RTOS or even rolling their own Linux. However, the lengthier time-to-market at a higher cost was a deterrent.

Some of the other key reasons MontaVista Linux was preferred included:

- MontaVista Linux supported all hardware platforms that Occam was evaluating

- MontaVista Linux Professional Edition is a complete commercial-grade product containing everything their software developers would need

- Drivers provided by MontaVista partners simply ran on MontaVista Linux without any additional work

- MontaVista Linux has allowed Occam to customize their platforms for applications with very strict requirements

MontaVista Linux Professional Edition

MontaVista Linux Professional Edition (Pro) is an industry-leading comprehensive embedded operating system and cross development environment. It includes a modern OS featuring real-time functionality, multi-process capabilities and multi-threaded remote debugging, with extensive bundled software components including rich networking. Pro targets more than 25 processors from eight industry-leading architectures and supports more than 100 boards offering developers great freedom to choose the elements for their development environment, which, in effect, allows them to speed cutting-edge products to market faster and at a lower cost.


MontaVista Linux Professional Edition 3.1 is available as a product subscription through MontaVista Software and its worldwide distribution channels. MontaVista Linux product subscriptions provide developer teams with the MontaVista Linux kernel, deployment components, utilities, development tools, software updates, access to the MontaVista Zone (customer resource portal), comprehensive technical support and hands-on Linux training classes.

 About MontaVista Software

MontaVista Software is a leading global supplier of systems software and development tools for intelligent connected devices and associated infrastructure. MontaVista empowers software developers by providing Open Source GNU/Linux-based software solutions. Founded in 1999 by real-time operating system pioneer James Ready, MontaVista offers a family of products that address software developer needs encompassing applications ranging from communications infrastructure to consumer electronics. MontaVista products include MontaVista Linux Professional, Consumer Electronics and Carrier Grade Editions. MontaVista DevRocket, a powerful integrated development environment, delivers state-of-the-art development tools across all product Editions. MontaVista Graphics offers a rich GUI development tools platform.

Headquartered in the heart of Silicon Valley, in Sunnyvale, Calif., MontaVista Software is a privately held company funded by leading investors such as Alloy Ventures, China Development Industrial Bank, RRE Ventures, US Venture Partners, WR Hambrecht + Co., as well as IBM, Infineon Ventures, Intel Capital, Panasonic (Matsushita), Samsung Ventures America, Siemens Venture Capital, Sony, Toshiba America and Yamaha Corporation. For more information about MontaVista Software, please visit www.mvista.com.

About Occam Networks Inc.

Occam Networks Inc. develops and markets innovative Broadband Loop Carrier networking equipment that enable telephone companies to deliver voice, data and video services. Based on Ethernet and Internet Protocol (IP) technologies, Occam's equipment allows telecommunications service providers to profitably deliver traditional phone services, as well as advanced voice-over-IP, residential and business broadband, and digital television services through a single, all-packet access network. Occam is headquartered in Santa Barbara, Calif. Additional information can be found at www.occamnetworks.com.

Portions of this press release may contain forward-looking statements regarding future events or the future performance of Occam Networks. Forward-looking statements involve risks and uncertainties, which could cause actual results to differ materially from any future performance suggested in such statements. Rapidly changing technologies and market conditions may require changes to Occam's products. Occam does not undertake any obligation to publicly update any forward-looking statements as a result of new information, future events or otherwise. Please also refer to the company's most recent quarterly report on Form 10-Q, annual report on Form 10-K and other filings with the SEC. These filings contain and identify other important factors that could cause actual results to differ materially from those contained in any forward-looking statements.

Linux is a registered trademark of Linus Torvalds. MontaVista is a registered trademark of MontaVista Software, Inc. All other names mentioned are trademarks, registered trademarks or service marks of their respective owners.


Occam Networks, Kris Sowolla, Vice President, Marketing, Occam Networks, Phone: 805-692-2929, E-mail: ksowolla@occamnetworks.com

MontaVista Software, Joe Samagond, Director of Marketing and Corporate Communications, Phone (408) 328-9234, E-mail: jsamagond@mvista.com

Patricia Colby, PR Strategy and Business Development, Pacifico Inc., Phone (408) 293-8600 ext. 340, E-mail: pcolby@pacifico.com"

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