Along with the development of communication technology, how to better provide service for customers with onetoone has become one of the goals of enterprises. The traditional ACD strategy obviously does not meet onetoone advocacy service business purposes. This paper proposes a SIPbased personalized services to meet the corporate call strategy model that combines the company’s Customer Relationship Management (CRM) system and communications systems. According to the difference of customer’s caller number, referencing to the original customer information, the system can dynamically decide to call the agent and change the agent’s priority.