Tóm tắt nội dung: Purpose of this document is to provide an architectural overview of CUSTOMER RELATION MANAGERMENT system. Through this document, project team and IT Department can have an overview and understand the whole system. They can know how CUSTOMER RELATION MANAGERMENT system will be developed and which systems CUSTOMER RELATION MANAGERMENT will have to integrate with. This document also describes all constraints that the design of the system must follow to meet the business and maintenance requirements.