Internet protocol (IP) location, privacy and presence

摘要

An extension to the Location Information Service (LIS) architecture uses a centralized, user-selected, Privacy Profile Register (PPR) and Presence Register (PR) element, the User Privacy and Presence Register (UPPR) (also known as the Home Register (HR)). This centralized model provides access to value added services that allow the user to be located anywhere in the world by people and services of his choosing. It also provides network elements using this location information with security that the location being provided has certification.