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

Business Wire, July 29, 2008

Sify to Install RedMAX[TM] Networks in 5 Cities to Meet Demand for Business-Class Internet Services

CHENNAI, 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[TM] 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[TM], 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[TM] Family

Redline's RedMAX[TM] family of WiMAX solutions includes the world's first complete system to receive the WiMAX Forum Certified[TM] mark for conformance to the WiMAX standards for performance and interoperability. Redline's carrier-class RedMAX[TM] 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[TM] Indoor Subscriber Unit (SU-I) and Outdoor Subscriber Unit (SU-O) designed for enterprise and residential services. The RedMAX[TM] 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[TM] family to include products for additional frequency bands, applications and standards.

RedMAX 4C[TM] Mobile WiMAX

The RedMAX 4C[TM], 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[TM] 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[TM] includes a modular, standardized oTCA (micro Telecommunications Computing Architecture) chassis base station that is small, lightweight and easy to deploy. RedMAX 4C[TM] 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[TM] products with its RedMAX 4C[TM] 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.