Patent ID: 7206571
Filing Date: 2007-04-17
Classification: H04M

Abstract:
1. A call management system comprising: a call device comprising: a call device melody information storage for storing melody information that represents a melody for a predetermined period of time; a call device receiver for receiving an incoming call signal and a speech signal that represents speech of a caller; a talk start command input unit for accepting a talk start command from a user; and a call device output unit for starting outputting the melody represented by the melody information stored in said call device melody information storage when said incoming call signal is received by said call device receiver, and starting outputting a non-output part of the melody and the speech represented by the speech signal received by said call device receiver when said talk start command is accepted by said talk start command input unit while the melody is being outputted; and a call control system for transmitting an incoming call signal to a recipient's call device specified by an outgoing call signal and supplying a melody signal representing a predetermined melody to a caller's call device when the outgoing call signal specifying the recipient's call device is accepted from the caller's call device, comprising: a system melody information storage for storing melody information representing a melody for a predetermined period of time; an outgoing call signal acceptor for accepting said outgoing call signal; an incoming call signal transmitter for transmitting the incoming call signal to the recipient's call device specified by the outgoing call signal when said outgoing call signal is accepted by said outgoing call signal acceptor; a recipient's speech signal receiver for receiving a speech signal supplied from said recipient's call device; and a caller's call device transmitter for starting to transmit the melody signal representing the melody represented by the melody information stored in said system melody information storage to said caller's call device when said incoming call signal is transmitted by said incoming call signal transmitter, and starting to transmit a superimposed sound signal which is representative of a non-transmitted part of the melody superimposed on said speech signal to said caller's call device when said speech signal is received by said recipient's speech signal receiver while said melody signal is being transmitted, wherein said call device is used as said recipient's call device; wherein said call device melody information storage stores melody information which is identical to the melody information stored in said system melody information storage.