ITU-T I.366.2-2000
适配层类型2窄带聚合子层特定业务-I系列综合数字网络服务-总网络方面和功能-协议层要求 研究组13
AAL Type 2 Service Specific Convergence Sublayer for Narrow-Band Services Series I: Integrated Services Digital Network Overall Network Aspects and Functions - Protocol Layer Requirements Study Group 13