Inter-school communication service is also called educational metropolitan area network. In 2003, Yangjiang Branch of China Telecom invested more than 20 million yuan to build an optical fiber network for the education metropolitan area network, which was used for the educational industry management institutions and schools to access the unified education metropolitan area network platform, realizing the sharing of educational resources and the unified export of the Internet. Thank you for your interest in telecom products. I wish you a happy life. If the above information can't solve your problem, you can also log in to Guangdong Telecom Mobile Mall () to seek help from online customer service, which is available 7X24 hours a day!