Purpose: The purpose of this study is to gain an understanding of user assessments of the variables that influence the use of the NCX application and to test the influence of these factors on behavioral intention and use behavior. This study analyzed the acceptance and use of the NCX application in the Telkom CFU Enterprise environment using the modified UTAUT2 model. The CFU Enterprise is the customer segment that is the focus of this study, with ICT services and platforms that include connectivity, IT and cloud services, digital services, and others. In carrying out its functions, the CFU Enterprise is supported by NCX, which is a customer relationship management application.   Method: This application can be used to manage the customer data. This study uses the modified UTAUT2 model, which is a development of the UTAUT2 model that adds compatibility and personal innovativeness constructs. Results: This study is expected to provide useful insights to increase the adoption and use of the NCX application in the Telkom CFU Enterprise environment.