1. A cellular telephone, comprising: signal processing structure configured to communicate telephone signals and data signals over one or more wireless communications links; memory structure configured to store (i) a first audio signal corresponding to an incoming telephone call, and (ii) a second audio signal corresponding to a telephone call termination, wherein the first audio signal is different from the second audio signal, said second audio signal not exceeding three seconds in duration, said second audio signal being factory preset; and an audio signal output device; wherein said signal processing structure configured to (i) cause the first audio signal to be supplied to the audio signal output device upon detection of an incoming call, and (ii) cause the second audio signal to be supplied to the audio signal output device upon detection of a termination of an active communication link.