US Patent 7684830 Communication link termination indication signal method and apparatus

Upon detecting (11) at a two-way communication device that a communication link has been terminated, the two-way communication device can provide (14) a unique corresponding signal (such as a unique audible signal) to indicate such termination. Pursuant to one approach, a plurality of such unique signals (13) are available and a specific one of the available signals is selected (12) for use in a given circumstance using a selection criteria of choice.