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EGovernment aims at exploiting Information and Communication Technologies (ICT) to provide better quality services to citizens and businesses, mainly through electronic delivery channels. Different strategies have been suggested to implement eGovernment; all recognize as fundamental, to deal with, and exploit, continuous ICT evolution, to transform the(More)
With the increasing popularity of wireless LAN technology, providers of real-time voice over IP (VoIP) services, known as voice service providers (VSP), are asking for roaming solutions and AAA (Authentication, Authorization and Accounting) methods that allow users to use their services from any available public Internet access network. In this paper we(More)
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