an example of such a network is described in u s pat no 5 103 459 entitled u201c system and method for generating signal waveforms in the cdma cellular telephone system u201d issued apr 17 1992 to the assignee of the present invention the 39 459 patent is incorporated herein by reference in its entirety however communications network 106 may also be a satellite communications network or a conventional telecommunications network wcd 104 establishes connections with other communications devices through the exchange of radio frequency rf signals with wireless communications network 106 this exchange of rf signals involves the transmission and reception of signals with a base station not shown or a satellite not shown within wireless communications network 106 0028 fig2 is a functional block diagram of wcd 104 wcd 104 includes a user interface 206 a processor 208 an interface 210 and a memory 212 user interface 206 includes a user input device 214 and a user output device 216 user input device 214 is coupled to interface 210 for connectivity with processor 208 and memory 212 interface 210 is coupled to memory 212 and processor 208 user input device 214 and user output device 216 are within user interface 206 user interface 206.