Sify Technologies Selects Redline's Products for Multi-City WiMAX Network in India

Redline Communications Group Inc. ("Redline”) (TSX and AIM:RDL), a leading provider of WiMAX and broadband wireless infrastructure products, and Sify Technologies Limited (NASDAQ National Market:SIFY), a leader in Consumer, Internet and Enterprise Services in India with global delivery capabilities, today announced that Sify has selected Redline’s WiMAX Forum Certified™ RedMAX products for its multi-city WiMAX network in India. Sify has deployed Redline’s RedMAX products in Delhi and Mumbai with the capacity to deliver business-class Internet services to enterprise users. Sify has also begun its WiMAX network expansion to Bangalore, Hyderabad and Chennai. The initial WiMAX network deployment in these regions is scheduled for completion in 2008. "The launch of our WiMAX services in these five cities will further our mission of being an enabler and catalyst of the Internet for positive change in India,” said Arvind Mathur, Chief Architect, Sify Technologies Limited. "Redline’s proven WiMAX technologies and reliable high-speed connections with the ability to support hundreds of users per base station will ensure we deliver reliable, standards-driven, managed last mile solutions to enterprise customers that support business critical applications over Sify’s IP-MPLS network. Redline’s solutions meet the stringent requirements of our customers who include major banks, retailers, manufacturers and other enterprises that require the highest levels of performance, reliability and security for their communications networks.” Sify selected Redline’s 3.3 – 3.4 GHz RedMAX products after a rigorous three-month evaluation process that included a number of broadband wireless solutions. The criteria for WiMAX equipment selection included WiMAX Forum Certification™, high subscriber capacity, support for Service Level Agreements, security, ease of installation and cost-effectiveness. "Sify is recognized as a pioneer in wireless and corporate networking in India, with an innovative and successful model for offering communications services,” said Kevin Suitor, Vice President, Marketing and Business Development, Redline Communications Inc. "With its professional approach to its network and business models, Sify is well positioned to meet its expansion targets with RedMAX.” Redline’s RedMAX™ Family Redline’s RedMAX™ family of WiMAX solutions includes the world’s first complete system to receive the WiMAX Forum Certified™ mark for conformance to the WiMAX standards for performance and interoperability. Redline’s carrier-class RedMAX™ Base Station (AN-100U) supports voice, video, and prioritized data traffic, enabling long-range, high-capacity wireless broadband networks. Redline’s WiMAX products also include the RedMAX™ Indoor Subscriber Unit (SU-I) and Outdoor Subscriber Unit (SU-O) designed for enterprise and residential services. The RedMAX™ Management Suite enables operators to monitor and control the network, ensuring high service availability. Redline is maintaining its WiMAX leadership with the expansion of its RedMAX™ family to include products for additional frequency bands, applications and standards. RedMAX 4C™ Mobile WiMAX The RedMAX 4C™, which is based on the WiMAX industry’s 802.16e-2005 standards for mobile WiMAX, supports a wide range of fixed, portable and mobile wireless services including support Voice and Video over IP, broadband Internet access used to support highly valued education, medical, transportation and municipal applications, VPNs (Virtual Private Networks) and other advanced communications services. The RedMAX 4C™ Mobile WiMAX platform is designed to enable operators to maximize the reach and customer density required for a profitable carrier business model. The RedMAX 4C™ includes a modular, standardized µTCA (micro Telecommunications Computing Architecture) chassis base station that is small, lightweight and easy to deploy. RedMAX 4C™ will also include a suite of indoor and outdoor fixed and portable end-user devices including laptops, mobile handsets and PDAs. Redline’s new WiMAX offering is also designed to facilitate the integration of its existing RedMAX™ products with its RedMAX 4C™ technologies, providing operators a path to true mobility. About Sify Sify is among the largest Managed Enterprise and Consumer Internet Services companies in India, offering end-to-end solutions with a comprehensive range of products delivered over a common telecom data network infrastructure reaching 500+ cities and towns in India. A significant part of the company's revenue is derived from Corporate Services, which include corporate connectivity, network and communications solutions, security, network management services, enterprise applications and hosting. Sify is recognized as an ISO 9001:2000 certified service provider for network operations, data center operations and customer support, and for provisioning of VPNs, Internet bandwidth, VoIP solutions and integrated security solutions, and ISO 27001 certified for InternetData Center operations. Sify has licenses to operate NLD (National Long Distance) and ILD (International Long Distance) services and offers VoIP back haul to long distance subscriber telephony services. The company is India's first enterprise managed services provider to launch a Security Operations Center (SOC) to deliver managed security services. A host of blue chip customers use Sify's corporate service offerings. Consumer services include broadband home access, dial up connectivity and the e-port cyber café chain across 180 cities and towns. Sify.com the consumer portal of Sify has sub portals like www.samachar.com, www.walletwatch.com, www.sifymax.com and www.chennailive.in, www.bangalorelive.in, www.mumbailive.in, www.hyderabadlive.in the city based live video on the web. The content is available in 5 Indian languages, which include Hindi, Malayalam, Telugu, Kannada and Tamil. For more information about Sify, visit www.sifycorp.com Forward Looking Statements This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. The forward-looking statements contained herein are subject to risks and uncertainties that could cause actual results to differ materially from those reflected in the forward-looking statements. Sify undertakes no duty to update any forward-looking statements. For a discussion of the risks associated with Sify’s business, please see the discussion under the caption "Risks Related to Our Business" in the company's report on Form 6-K for the Quarter ended December 31, 2007 which has been filed with the United States Securities and Exchange Commission and is available by accessing the database maintained by the SEC at www.sec.gov. About Redline Communications Redline Communications (www.redlinecommunications.com) is the leading provider of fixed and mobile standards-based wireless broadband solutions. Redline’s RedMAX™ WiMAX Forum Certified™ system, RedMAX 4C Mobile WiMAX™ products, and its award-winning RedCONNEX™ and RedACCESS™ families of broadband wireless infrastructure products enable service providers and other network operators to cost-effectively deliver high-bandwidth services, including voice, video and data communications. Redline is committed to maintaining its wireless industry leadership with the continued development of WiMAX and other advanced wireless broadband products. With more than 100,000 installations in 85 countries, and a global network of over 170 partners, Redline's experience and expertise helps service providers, enterprises and government organizations roll out wireless broadband networks to support advanced communications. NOTE: All registered and unregistered trademarks mentioned in this release are the property of their respective owners. Certain statements in this release constitute forward-looking statements or forward-looking information within the meaning of applicable securities laws and are made pursuant to the "safe harbour” provisions of such laws. Statements related to potential benefits of, and demand for, Redline’s products including statements with respect to the features and benefits that may be achieved through the use of Redline’s products and the relative position of these products vis-à-vis competitive offerings in the industry are forward-looking statements which are subject to certain assumptions, risks and uncertainties. These risks and uncertainties include such factors as rapid technological changes, long uncertain sales cycles, demand for our products, the introduction of competing technologies, meeting industry standards, regulatory risk, dependent on key partners and resellers and other similar factors that may cause the actual results, performance or achievements of Redline to differ materially from the results, performance, achievements or developments expressed or implied by such forward-looking statements. Readers are cautioned not to place undue reliance on such statements. Redline assumes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.