Patent ID: 8406394

Claim:
An advertisement delivery system comprising a call control apparatus arranged in a network accommodating at least a telephone terminal capable of video reproduction and controlling a call between a sending side telephone terminal or communication device and a receiving side telephone terminal or communication device and an advertisement delivery apparatus delivering advertisement information in the network, wherein said advertisement delivery system comprising: a status monitoring function unit monitoring a “voice media state” and “video media state” of the sending side telephone terminal at a time of transition of status at the sending side telephone terminal; and a delivery connection function unit judging whether the “voice media state” is “busy” or “available” and whether the “video media state” is “busy” or “available” and, when judging the “voice media state” to be “busy” and the “video media state” to be “available”, establishing a communication session between the sending side telephone terminal and the advertisement delivery apparatus to deliver the advertisement information to the sending side telephone terminal.