Enabling seamless user mobility in a short-range wireless networking environment

The invention relates to a energy-accumulating with short distance wireless counting assembly end of the method, system and a computer program indication the seamless and a roaming, with the device, especially a low power handheld device which is provided with a connected to a network access point of the network environment, such as a building, and hyphenates a word at the end, wherein the network access point be called and switching management (HMP (110). By (100) and user authentication and device address methods and switching service providing the connection point core and servers coordinating the seamless network connective illusion.