An integrated wireless-global positioning system determines the location of a wireless terminal from satellite measurements and wireless network measurements. According to embodiments of the present invention, calls may be received even when the laptop computer is turned off. By iterating through the possible intervals within the maximum expected skew search space, the correct combination of search space intervals for all lanes can be determined to provide alignment and thus compliancy with relevant standards, such as the SFI-5 and SxI-5 standards, in terms of data skew specifications. Certain incentives may be of a graduatedprogressive type to invite larger purchases by customers. The present invention relates to the formation of a BARC plug, 107c, partially filling the via and having a convex upper surface, 400, prior to etching the trench. A wireless telephone device includes a communication unit for selecting one of a plurality of frequencies to carry out wireless communication with a base station, a control unit for switching a frequency used by the communication unit to control the communication unit and a speaker for outputting a communication voice in accordance with a voice signal received by the communication unit.