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Native Wi-Fi calling refers to the ability of mobile phones on the service to seamlessly use Wi-Fi rather than the cellular network to connect normally dialed calls, when enabled. It does not refer to the ability to use third-party programs to make calls over Wi-Fi networks, which is generally always supported on smartphones.
Then customer relationship management was added to the solution and finally the whole package moved into the cloud business management space. [ 7 ] Although there is an actual correlation between IT efforts and the organizations' performance, [ 8 ] two elements are key to add value to the sum; these are the implementation's effectiveness and ...
The approach is called Interworking Wireless LAN (IWLAN) [19] architecture and it is a solution to transfer IP data between a mobile device and operator's core network through a Wi-Fi access. In the IWLAN architecture, a mobile device opens a VPN/IPsec tunnel from the device to the dedicated IWLAN server in the operator's core network to ...
Historically, access control models have included mandatory access control (MAC), discretionary access control (DAC), and more recently role-based access control (RBAC). These access control models are user-centric and do not take into account additional parameters such as resource information, the relationship between the user (the requesting ...
Role-based access control is a policy-neutral access control mechanism defined around roles and privileges. The components of RBAC such as role-permissions, user-role and role-role relationships make it simple to perform user assignments. A study by NIST has demonstrated that RBAC addresses many needs of commercial and government organizations. [4]
Network access control (NAC) is an approach to computer security that attempts to unify endpoint security technology (such as antivirus, host intrusion prevention, and vulnerability assessment), user or system authentication and network security enforcement.
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The original code for Android SMS messaging was released in 2009 integrated into the Operating System. [7] It was released as a standalone application independent of Android with the release of Android 5.0 Lollipop in 2014, replacing Google Hangouts as the default SMS app on Google's Nexus line of phones.