A method includes associating an e-mail address with a plurality of telephone numbers; associating one of the telephone numbers with a one number service ; allowing telephone calls to the one of the telephone numbers by selecting the e-mail address. Semiconductor package has solder balls containing Sn, Ag and Cu. The DDS employs programmable frequency control word and a sampling clock signal having a variable sampling clock frequency that is derived from the second LO frequency, to generate a DDS output signal from which the first LO signal is produced. Various other network entities may use the M2M identification to modify the delivered data service, so as to optimize network resources. Moreover, the drive system can be configured to reliably dose selected amounts of medicine to the user while also reducing the likelihood of inadvertent dispensing of medicine in response to impacts or pressure changes exerted upon the infusion pump system. An interface performs at least one of reading of data from the recording medium and writing of data to the recording medium.