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Telecommunications Services of Trinidad and Tobago Selects Calix for Advanced, IP-based Access Upgrade

TSTT announced today it has selected solutions from Calix to upgrade access lines spread over 125 locations on two islands. TSTT, which has over 350,000 wireline and one million wireless customers and is jointly owned by the Government of Trinidad and Tobago and Cable & Wireless, is one of the largest service providers in the Caribbean. TSTT is upgrading its infrastructure by pushing fiber deeper into the access network, offering very-high-speed DSL services to its residential subscriber base, and converting all voice services to VOIP. The upgrade will enable TSTT to offer a rich set of information, communication, and entertainment services while also addressing the demanding needs of a growing business and tourism base.

According to Trevor Deane, Vice President Technology with TSTT, “Calix offers us everything we need to implement a complete and major network upgrade and puts us in a position to offer services rivaling those found in major metropolitan areas throughout the Americas. The massive capacity and architectural flexibility of the Calix access portfolio also establishes a strong foundation on which we can grow for years to come.”

TSTT will accomplish the upgrade to an advanced, IP-based access network using the Calix C7 multiservice access platform (MSAP) and the Calix Management System (CMS). The new network, which is already being deployed, not only allows TSTT to effectively address business and residential subscriber demands, it also enables TSTT to begin selectively deploying fiber to the premises (FTTP), fiber to the node (FTTN), and IPTV technologies. “The importance of TSTT far outweighs its size,” said Mark Dressler, Calix director of sales, CALA region. “As a recognized technology leader in the Caribbean and beyond, TSTT has consistently demonstrated a knack for staying at the leading edge of technology. The upgrade to a Calix-based ultra-broadband access network means that TSTT will be able to offer the most advanced telecommunication services for residential, business, and tourism customers.” Critical to the network upgrade is CMS, an advanced management and provisioning platform that positions TSTT to more easily offer IPTV services and more effectively leverage IP Multimedia Subsystem (IMS) applications as they arise. CMS also gives TSTT a superior troubleshooting and fault-correction tool, enabling it to provide subscribers with very high service availability.

About Calix Calix is the largest telecom equipment supplier focused solely on access solutions for broadband service delivery. Service providers deploy Calix access systems to enable a rich set of information, communication, and entertainment services and to expand their revenue base beyond connectivity. Calix access innovation helps service providers transform their networks from circuit to packet, narrowband to broadband, and to drive fiber deeper into the network. Calix has deployed its solutions in hundreds of service provider networks throughout North America, and has shipped more than two million ports. For more information, visit the Calix website at www.calix.com. This press release may contain forward-looking statements that are based upon management's current expectations and involve risks and uncertainties. Forward-looking statements are based upon information available to us as of the date of this press 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. Actual results and the timing of events could differ materially from current expectations.

About TSTT Telecommunications Services of Trinidad and Tobago Limited, is jointly owned by the Government of Trinidad and Tobago (51%) and Cable & Wireless (49%). The company provides a complete suite of communications services throughout the twin-island state including fixed line and mobile communications, broadband Internet access, lease lines, and data services. TSTT is the only communications solutions provider in the country deploying both wireless and wired next generation networks with voice, data, and multimedia capabilities making it one of the most advanced solutions providers in country. The company's customers include key industry leaders in the finance, energy, government, and tourism sectors. For more information, visit the TSTT website at www.tstt.co.tt.