Study and implementation of incoming call notification service based on IN

The disadvantage of the actual telecommunication network in China to the scheme selection technique is discussed first. Based on this point an implementation scheme of the incoming call notification service based on the intelligent network (IN) is provided and description of a new added SIB from the general function plane and distributed function plane points of view are given respectively. Finally, a service logic figure is presented for the purpose of reference. Emphases are particularly put on several key points related to the scheme.