VeriSign Enables Unefon to Offer Extended Pre-paid Roaming

Press Release:

VeriSign Enables Unefon to Offer Extended Pre-paid Roaming Services to Customers

Press Release
News Article March 2005

NEW ORLEANS, Spring CTIA Wireless 2005, March 15 /PRNewswire-FirstCall/ -- VeriSign, Inc. (NASDAQ:VRSN) , the leading provider of intelligent infrastructure services for the Internet and telecommunications networks, and Unefon (BMV: UNEFON), one of Mexico's leading CDMA and mobile communications providers, announced today that they will provide Unefon's customers with extended pre-paid roaming in the United States. Unefon offers competitive mobile communications services and products to more than one million customers in the urban centers of Mexico. Today, over 98% of Unefon's customer base pays for mobile services through pre-paid billing. This new offering will allow Unefon customers to roam seamlessly with their pre-paid minutes when traveling in the United States. This is the first implementation of VeriSign's iRoam product internationally and Unefon is the only operator in Mexico to offer this service.

"Working with VeriSign and using iRoam, we can now give our customers the flexibility to roam and use their minutes in the United States and get real-time feedback on their account," said Adrian Steckel, CEO Unefon. "VeriSign offered the best service for us to rapidly and cost-effectively meet our wireless and pre-paid customer demands."

"VeriSign's technology and communications expertise allows Unefon to focus on their core business, while extending roaming capabilities for customers even if they choose a pre-paid wireless contract," said Vernon Irvin, executive vice president, VeriSign Communications Services. "VeriSign's iRoam product helps Unefon to provide customers with reliable, high quality service across the United States."

VeriSign's iRoam platform is integrated into carriers' existing roaming networks to bill pre-paid subscribers in real time while they roam. The real-time rating capability of iRoam helps to ensure that roaming charges do not exceed usage limits. In addition, unlike traditional pre-paid services, iRoam features single-stage dialing and home customer care when supported by the visiting carrier's switch. VeriSign(R) iRoam provides real-time billing for roaming pre-paid wireless subscribers. iRoam uses current American National Standards Institute (ANSI) and International Telecommunications Union (ITU) SS7 standards.

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