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GSM
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ALSO CALLED: Global System for Mobile Communication and GSM Wireless
DEFINITION: A SIM card, also known as a subscriber identity module, is a smart card that stores data for GSM cellular telephone subscribers. Such data includes user identity, location and phone number, network authorization data, personal security keys, contact lists and stored text messages. Security features
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Definition continues below.
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The Promise of Mobile Unified Communications
| sponsored by BlackBerry
WHITE PAPER:
Mobile unified communications allows organizations to provide employees with the ability to collaborate and communicate efficiently, as well as access information on-demand.
Posted: 09 Jan 2009 | Published: 09 Jan 2009
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GSM DEFINITION (continued): … include authentication and encryption to protect data and prevent eavesdropping. A SIM card and can be switched easily from one phone set to another. The portability of data offers a number of benefits. For example, a user that buys a new phone can install the current SIM card to associate the new phone with the same number and user preferences as the old one. In another common situation, if a phone's battery runs out of power, the user can easily install the card to another subscriber's phone … GSM definition sponsored by SearchMobileComputing.com, powered by WhatIs.com an online computer dictionary
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