| 摘要 |
<P>PROBLEM TO BE SOLVED: To effectively utilize the signal sequence of existing call origination processing and to distribute advertisement information flexibly corresponding to the conditions of a call origination side and a call termination side, in a video telephone. <P>SOLUTION: A video telephone advertisement system comprises: a call origination telephone for transmitting a speech communication request including the telephone number of a call termination telephone and the identification information of the call origination telephone to a call origination exchange; the call origination exchange for acquiring advertisement contract information by retrieving a subscriber information storage means on the basis of the identification information, extracting advertisement information from an advertisement information storage means on the basis of the advertisement contract information, transmitting the speech communication request to a call termination exchange, and transmitting the advertisement information to the call origination telephone including it in a calling start signal when the calling start signal is received from the call termination exchange; the call termination exchange for receiving the speech communication request, acquiring the advertisement contract information by retrieving the subscriber information storage means on the basis of the telephone number, extracting the corresponding advertisement information from the advertisement information storage means on the basis of the advertisement contract information, and transmitting the advertisement information to the call termination telephone including such information in the speech communication request; and the call termination telephone for transmitting calling start information to the call origination exchange when the speech communication request is received. <P>COPYRIGHT: (C)2009,JPO&INPIT |
