BRIEF DESCRIPTION OF THE DRAWINGS
The objects and features of the present invention will become more apparent from consideration of the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic block diagram showing a preferred embodiment of a system for providing ringback information in accordance with the present invention;
FIG. 2 is a schematic block diagram showing a terminal of a call originator included in the illustrative embodiment shown in FIG. 1;
FIG. 3 is a schematic block diagram showing a terminal of a call terminator included in the illustrative embodiment;
FIG. 4 is a sequence chart useful for understanding an exemplified operational procedure for providing a ringing tone or contents to the terminal of the originator in the illustrative embodiment;
FIG. 5 is a schematic block diagram showing the communication server included in the illustrative embodiment;
FIG. 6 shows the schematic configuration of exemplified information on contents stored in the storage of the communication server shown in FIG. 5;
FIG. 7 is a sequence chart, like FIG. 4, useful for understanding another exemplified operational procedure for providing a ringing tone or contents to the terminal of the originator in the illustrative embodiment shown in FIG. 1;
FIG. 8 is a schematic block diagram, like FIG. 5, showing an alternative communication server included in the illustrative embodiment shown in FIG. 1;
FIG. 9 exemplarily shows information on the function of terminals and the intention of originators which is stored in the determiner of the communication server shown in FIG. 8;
FIG. 10 is a sequence chart, like FIG. 4, useful for understanding an exemplified alternative operational procedure for providing a ringing tone or contents to the terminal of the originator in the illustrative embodiment;
FIG. 11 is a schematic block diagram showing an alternative preferred embodiment of a system for providing ringback information in accordance with the present invention;
FIG. 12 is a schematic block diagram showing the communication server included in the alternative embodiment shown in FIG. 11;
FIG. 13 is a sequence chart useful for understanding an exemplified alternative operational procedure for providing a ringing tone or contents to the terminal of the originator in the alternative embodiment;
FIG. 14 is a schematic block diagram showing the content server shown in FIGS. 1 and 11; and
FIG. 15 is a sequence chart useful for understanding an exemplified alternative operational procedure for providing a ringing tone or contents to the terminal of the originator in the illustrative embodiment shown in FIG. 1.