MARLBORO, MASSACHUSETTS, Feb 23, 2004 (CCNMatthews via COMTEX) -- Largest Alternative Communications Carrier in Canada Provides Latest Technology for Convergence of Customer's Data and Voice Services.

Telica(R), Inc., an innovator in next-generation VoIP switching, today announced that Primus Telecommunications Canada Inc. (Primus Canada), a wholly-owned subsidiary of McLean, Virginia-based Primus Telecommunications Group, Incorporated (PRTL) , is using the Plexus(TM) 9000, a member of Telica's PLUS softswitch family, in multiple cities to enable delivery of VoIP subscriber services. This supports Primus Canada's nationwide launch of their TalkBroadband(TM) VoIP service.

Primus Canada is pioneering high-speed Internet based local phone services throughout Canada. Deploying Telica's Plexus 9000 into their network infrastructure enables Primus Canada to offer its subscriber base cutting edge VoIP services with a rich array of features including Call Answer, Call Display, Visual Call Waiting, 5-Way Calling, Do-Not-Disturb, Caller ID Block, Alternate Number, Speed Dial and Unlisted Number.

Founded in 1997, Primus Canada is the largest alternative communications carrier in Canada with over 900,000 retail customers. The company offers facilities-based local and long distance voice, data, e-commerce, Web hosting and Internet services. Combining the latest technology and responsive customer support with direct connections to the world's most efficient telecommunications systems, Primus Canada provides superior savings and quality to businesses and consumers.

"Primus Canada prides itself on providing our customers with the latest and most innovative technology and integrating Telica's platform into our network helps us to deliver these new services," said Ted Chislett, president of Primus Canada. "In addition, Telica's solution provides superior reliability, scalability and product flexibility compared to other next-generation solutions we evaluated. These qualities will be key as we continue to grow our TalkBroadband customer base across Canada."

The Plexus 9000 is a key component of Telica's PLUS(TM) second-generation softswitch family. Telica's Plexus 9000 is a carrier-class voice softswitch that offers an industry-leading 80,000-port density on a stand-alone basis. When deployed as an element of the PLUS architecture, the Plexus 9000 enables carriers to build networks of up to 500,000 ports. Carriers utilizing the PLUS architecture can deploy Class 4 tandems or Class 5 end offices, using TDM or IP for trunking or access in one highly scalable network. The unparalleled density and architectural deployment options offered by PLUS, coupled with support for both legacy and converged voice network architectures, provide the highest level of flexibility for domestic and international service providers.

"Primus Canada's acumen for harnessing new technology to deliver enhanced services to its customers differentiates them in the marketplace," said John St. Amand, president and CEO of Telica, Inc. "It is a privilege for Telica to be an integral part of their next generation network."

About Primus Canada

Primus Telecommunications Canada Inc. is the largest alternative communications carrier in Canada with over 900,000 retail customers. The Company offers facilities-based voice, data, e-commerce, Web hosting and Internet services. Primus Canada's national network consists of switches with international connectivity through its parent company's global network, and ATM and IP nodes at major cities across the country. These network elements provide an integrated and converged backbone for all of Primus Canada's voice, data, Internet and private line services. Primus Canada is a wholly owned subsidiary of McLean, Virginia-based Primus Telecommunications Group, Incorporated (PRTL) . Primus Canada news and information are available at the Company's Web site at www.primustel.ca.

About Telica, Inc.

Telica's innovative VoIP switching solutions provide an ideal bridge between next-generation and legacy networks for wireline and wireless carriers. With the lowest cost per port on the market today, Telica's highly scalable PLUS(TM) second-generation softswitches and gateways deliver at least five times more calling capacity than legacy circuit switches or first-generation softswitches. Telica's open, standards-based products and network management systems allow carriers to deliver the widest range of wireless, Class 5, and long-distance Class 4 services, from both VoIP and PSTN/circuit-switched networks. Telica switches reliably carry more than 4.5 billion minutes per month across the fast-evolving networks of more than 60 domestic and international service providers. For more information, visit www.telica.com.

Note:

Telica and the Telica logo are registered trademarks and PLUS and Plexus are trademarks of Telica, Inc.

Calysto Communications
Laura Borgstede
(404) 266-2060, ext. 11
lborgstede@calysto.com


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