Customers are an important factor regulating and guiding production and business. Customers are the ones who decide the market and decide the production and business scale of telecommunications enterprises. Customers are the target of competition. Customers are the payers of the business. Thus, keeping a good relationship with customers is the way to maintain the business. With CRM software, the customer relationship management process also becomes more professional. Customer relationship management is understood as a set of strategic activities aimed at selecting, establishing, maintaining and developing good and long-term relationships between businesses and customers on the basis of interest, processes that create benefits for customers and the business. VNPT firmly grasps and implements the objectives of customer relationship management.