An elastic-cup support for keyboard is in the form of a flat locating sheet located on a membrane-type switch circuit board of the keyboard, and provided at positions corresponding to membrane-type switches on the circuit board with receiving holes for separately receiving an elastic cup therein. The process requires a user-specific token, independent verification of the server execution within a programmed time window. Other embodiments are described and claimed. After an incoming caller receives the customized message, the calling party may listen to the message again, save a copy of the message according to a variety of methods, and the calling party may be connected to the called party. 11 applications in the MAC and PHY layers so that WLANs can function over TV white space channels. The device includes an axial constraint coupled to the plurality of extender segments in the liner to axially constrain extender segments in end to end alignment to bias the liner in a collapsed profile.