A call robot, also known as a virtual assistant or chatbot, is a computer program designed to simulate conversation with human users through voice or text interactions. These advanced AI systems are programmed to understand and respond to user inquiries, providing helpful information and completing tasks on behalf of the user. Call robots are commonly used in customer service, providing efficient and personalized support to customers without the need for human intervention. They are also utilized in various industries, such as healthcare and finance, to streamline processes and improve communication. With advancements in natural language processing and machine learning, call robots are becoming increasingly sophisticated and are revolutionizing the way we interact with technology.