System and method of realizing prefix logic personality network intelligent business

The method comprises: before the initial address signaling message (IAM) used for making call connection enters into the service switch point (SSP), the signaling message handling unit re-encodes the message for adding service type of individualized service and its control logic in order to reach the purpose of indicating the succeeding service exchange to complete the call connection of individualized service. The signaling message handling unit can adopt independent signaling message handling apparatus. The technical scheme has no need to reconstruct current communication network structure, and avoids the signaling interaction between the SSP and SCP (service control point).