(under subclass 67.1) Audio message storage, retrieval, or synthesis system further comprising an audio or visual signal alerting the user to the presence of a recorded or stored audio message signal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
88.11, for an audio message storage, retrieval, or synthesis system having a means to view data or information relating to an audio message signal.
SEE OR SEARCH CLASS
340, Communications: Electrical,
500+, for a conditional response indicating system.