Service processing method for intelligent network system

A, The service control point (SCP) of the intelligent net system receives the business triggering request (BTR) from business request net element, then sends a number carrying the user state inquiringrequest (NCUSI) to the number carrying database (NPDB). NCUSI includes the called user sign (CUS) in BTR. B, According to CUS, NPDB inquires the number carrying user state of the called user and sends the result back to SCP. C. According to the inquired result sent by NPDB and the preset charging scheme, SCP charges the calling user. D. According to the charging result and the preset charging scheme, SCP controls the business of triggering request. This invention can offer a calling party charging function for the intelligent net user possessing the number carrying ability.