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Press Release -- October 8th, 2012
Source: Calix Networks

Calix E7 to Bring UK’s Fastest Residential Broadband Service Capabilities to York

Public housing project to deploy some of the UK’s most advanced broadband services

DERWENTHORPE, YORKSHIRE, UK – October 8, 2012 – Calix, Inc. (NYSE:CALX, news, filings) today announced that its E7-2 Ethernet Service Access Platform (ESAP) has been chosen to provide ultra-fast advanced broadband services via Fibre-to-the-Premises (FTTP) technology to a visionary and award-winning £40 million new housing project in Derwenthorpe, Yorkshire, UK. By utilising the Calix E7-2 and its support for point-to-point gigabit Ethernet (GE) technology, over 540 homes will receive high-speed data services at up to 1 gigabit per second (1Gbps), advanced television services via Integrated Reception Systems (IRS), as well as reliable Voice over IP (VoIP) services. This project and its powerful broadband infrastructure – one of the most advanced in the UK – is anticipated to provide a boost to the area’s economy, aid in fulfilling the environmental vision of bringing work closer to home, and provide a wide range of e-services, including e-government, telemedicine and e-learning.

Created by the Joseph Rowntree Housing Trust, Derwenthorpe is a major development on the outskirts of the city of York and has been designed as an outstanding example of sustainable community living for villages of the future. Winner of a 2010 Housing Design Award for the best recently completed and planned housing schemes in the UK, many of the units are social housing, providing a much needed residential area for the region. The design incorporates many environmental features and the Trust has aimed to complement these by offering its residents advanced high-speed broadband services via a fibre optic network.

Nigel Ingram of the Joseph Rowntree Housing Trust said: “Broadband services, especially the kind of high bandwidth services that fibre can offer, are extremely powerful for communities such as Derwenthorpe – they open up boundless possibilities for community living, creating a rich mix of work, leisure and residential services in one place. They are a key economic enabler and a significant part of this housing concept. We expect to replicate this concept in other communities in and around York.”

The project utilises the Ethernet eXtensible architecture (EXA) powered Calix E7-2 ESAP, delivered through value-added-reseller Fibre Options, as the access network solution. Fibre Options will design and implement the network, delivering services to every home over fibre. Looking to ensure the Derwenthorpe network was future-proofed for emerging residential and business applications that may arise, the company chose the E7-2, which has the flexibility to deploy a wide variety of network technologies from a modular, one rack-unit (RU) chassis.

The Calix E7-2 ESAP is an environmentally hardened, high capacity fibre access platform which can support high-bandwidth services today with the capacity to add new services as subscriber needs change. Derwenthorpe will take advantage of the high-capacity of the E7-2, with the ability to support up to 48 subscribers over point-to-point GE in each modular chassis to residences and business locations such as office parks and high density commercial areas. As the project continues to grow, additional E7-2 platforms can be added modularly on a pay-as-you-grow basis, while still being managed as one network element.

“Working with innovative organisations such as the Joseph Rowntree Housing Trust and Fibre Options to enable one of the UK’s most advanced broadband infrastructures in the UK is a true honour, but the real beneficiaries will be the residents and businesses who reside within the Derwenthorpe project,” said Andy Lockhart, senior vice president of international sales and marketing at Calix. “Our extensive expertise from hundreds of similar projects in North America and our leadership role in the U.S. broadband stimulus program provide us with the confidence that Calix has the technology and solutions to make the combined vision of the Rowntree Trust and Fibre Options a reality. As Calix continues to expand its presence in the UK, we look forward to helping to bring broadband to similar communities and help them to drive development in their local economies.”

To learn more about Calix and the E7-2, visit the Calix booth at NextGen 12 in London, October 8-9.

About Calix

Calix (NYSE: CALX) is a global leader in access innovation. Its Unified Access portfolio of broadband communications access systems and software enables communications service providers worldwide to transform their copper- and fibre-based networks and become the broadband provider of choice to their subscribers. For more information, visit the Calix website at

This press release may contain forward-looking statements that are based upon management’s current expectations and are inherently uncertain. Forward-looking statements are based upon information available to us as of the date of this release, and we assume no obligation to revise or update any such forward-looking statement to reflect any event or circumstance after the date of this release, except as required by law. Actual results and the timing of events could differ materially from current expectations based on risks and uncertainties affecting the Company’s business. The reader is cautioned not to unduly rely on the forward-looking statements contained in this press release. Additional information on potential factors that could affect Calix’s results and other risks and uncertainties are detailed in its reports filed with the SEC, including the Company’s 2011 Annual Report on Form 10-K and its report on Form 10-Q for the fiscal quarter ended June 30, 2012, available at

For more information, contact:

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Sheila Lashford Proactive PR +44 (0) 7986 514240

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