ETSI PRETS 300 478-1995 网络方面(NA).在异步传输模式(ATM)下的无连接宽带数据业务(CBDS).用户-网络接口(UNI)的框架和协议规范
Network Aspects (NA); Connectionless Broadband Data Service (CBDS) over Asynchronous Transfer Mode (ATM); Framework and Protocol Specification at the User-Network Interface (UNI)