Methods, apparatuses, and systems are provided for facilitating handover to closed subscriber group cells. A cover having guide elements is slidably engaged to respective ones of the rails to slide the cover between a closed position in which the cover covers the opening and an opened position in which the cover exposes the opening. Any detected signals are transmitted from the landline telephone site to a central monitoring location. % and an amorphous phase of over 0 to 20 vol. It then becomes possible to reduce a necessary cost for the image coding and a ranking information calculation. A conductive via is formed in the semiconductor die.