| 摘要 |
<p>An audio storage and playback unit coupled to the telephone line is adapted to record a message off the telephone line in response to the application of a 'record' control signal and to play back the recorded message onto the telephone line in response to the application of a 'play' signal. A first tone decoder responds to the actuation of a first predetermined key on the telephone key pad by generating the 'record' signal. A second tone decoder responds to the actuation of a second predetermined key by instituting the generation of the 'play' signal. In a preferred embodiment, a third tone decoder responds to the actuation of a third predetermined key by instituting the generation of a 'stop' signal. Thus, if a call is received which is for a party other than the person who answered the call, the caller may leave a voice message. The person who took the call pushes the first predetermined key to start recording the message and the third predetermined key to stop recording. Later, when the person for whom the call was intended is available, he/she may pick up a telephone and touch the second predetermined key to start playback of the message. When the message has been delivered, the user may touch the third predetermined key to end the playback process.</p> |
