Schlumberger Test & Transactions, a business segment of Schlumberger Limited (NYSE:SLB), today announced that it has signed a memorandum of understanding with AT&T Wireless (NYSE: AWE) to provide SIM (Subscriber Identify Modules) smart cards and related OTA (over the air) technology to support AT&T Wireless' new GSM (Global System for Mobile Communications) network platform.
AT&T Wireless recently announced that it will introduce wireless data services by overlaying a GSM/GPRS (General Packet Radio Service) platform to its existing nationwide TDMA (time division multiple access) digital network beginning in this year. GSM handsets require SIM cards, which allows customers to access seamless call delivery across GSM networks in North America, Europe and Asia.
"The move of AT&T Wireless to add GSM-based services heralds a new era for wireless communication in North America," said Dave Karpenske, vice president field operations, Schlumberger Network and e-Transactions Solutions North America. "We are pleased to help support AT&T Wireless' efforts to bring advanced digital technology to consumers across the country."
Schlumberger, the world's leading provider of smart card-based solutions, pioneered Java(TM)-based SIM cards and OTA technology to enable wireless operators to quickly, efficiently and cost-effectively provide secure, value-added services to subscribers without modifications to handsets. Worldwide, Schlumberger SIM cards and related technology are used by 165 wireless operators in 90 countries.
The solution that Schlumberger is providing to AT&T Wireless includes Simera Classic(TM), a part of the Schlumberger line of leading-edge Cyberflex(TM) Simera SIM cards, which supports fastest time-to-market for new applications. Strict conformance to standards makes Simera Classic the new industry benchmark for interoperability. Schlumberger is also providing AT&T with its Aremis(TM) service administration platform, which provides the most efficient and versatile environment for activating/deactivating, configuring, tracking and billing of mobile value-added services on existing SIM cards. Aremis offers the capability of loading complete Java-based SIM toolkit applications over the air directly onto the SIM card.
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