Trio Completes Delivery of Sonera's Mobile Office Solution


STOCKHOLM, Sweden, March 21, 2003 (PRIMEZONE) -- Trio has completed a delivery of an add-on order worth approximately 2M SEK for a continued expansion of the capacity in Sonera's mobile office solution for the Finnish corporate market. The order is based on Trio Mobile Office, a concept for mobile operators, enabling customers to switch from fixed to mobile telephony, either fully or in part.

"Mobile phones are an increasingly important business communication tool. Trio Mobile Office has been developed with a view to enhancing the offerings made by mobile operators to their corporate customers," said Sverker Hannervall, President and CEO of Trio.

Trio Mobile Office enables either a direct or a gradual transition from fixed to mobile telephony with maintained essential corporate telephony functions and features. The services is available on a subscription basis from mobile operators and is installed by Trio in the operators' networks as a turnkey solution.

Mobile operators in the Nordic region that offer mobile office solutions based on Trio Mobile Office are Sonera, Telia Mobile, Telenor Mobil, TDC Mobil and Vodafone.


For more information, please contact:
Sverker Hannervall, President and CEO, Trio
telephone: +46 730 66 88 23

About Trio Trio is a telecommunications company that develops call handling systems for companies, enabling them to improve both internal efficiency and customer service levels. Almost 2,000 systems have been delivered in the Nordic region, mainly to large and medium-sized companies.

Trio's customers include five of the leading Nordic mobile operators. Trio operates in Sweden, Finland, Norway and Denmark and develops three product families. Trio PresentOffice offers integrated telephony and advanced call and message handling; Trio Mobile Office enables a complete transition from fixed to mobile telephony and is subscribed to as a service from mobile operators; Objecta TeleVoice offers solutions for customer support, mainly interactive voice response systems and contact centre solutions. Trio's shares are listed on the O list of the Stockholm Stock Exchange. For further information, please visit our website at www.trio.com

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