GSM ("Global System For Mobile communications") is the dominant mobile phone standard in the world with an estimated 82% of the global market using this standard supporting over 2 billion people in 212 countries.

GSM's wide usage supports roaming between mobile phone operators and enables subscribers to use their phones throughout the world.

SIM cards or "Subscriber Identity Modules" are one of the key features of GSM.   SIM cards are removable smart cards that contain the users subscription information and phonebook.   SIM cards allow the user to transfer this information by merely removing the SIM card from a mobile device and inserting it into another mobile device.

GSM was also the pioneer of SMS text messaging, which is now supported on various other mobile standards.

New versions of the standard such as GPRS and EDGE are backward compatible with original GSM phones.

The 3G/GSM Wireless industry models provide a comprehensive data architecture to support the needs of the entire business and user community.

>  Customer
>  Product / Service
>  Customer Service
>  Churn & Retention
>  Rate Plan Analysis
>  Advertising
>  Marketing
>  Order
>  Human Resources
>  Property & Equipment
>  Analytics / BI
>  Financial Reporting
>  Business and Performance Metrics

The 3G/GSM Wireless model set was the first comprehensive data architecture solution available to 3G/GSM service providers and is in use at leading telecommunications companies in Asia, Australia, Europe and North America.

Providing a faster and less-risky path for telecom carriers in their drive to provide additional services to their customers, the ADRM 3G/GSM Wireless data architecture solution goes beyond supporting traditional services to address the new generation of data products and services that increasingly drive the revenue and profitability of leading carriers.

The 3G/GSM Wireless model set consists of Enterprise, Business Area, Data Mart and Data Warehouse logical data models providing an integrated, comprehensive IT infrastructure to support 3G/GSM operations.
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