DIN EN 301117:2000
宽带综合业务数字网络(B-ISDN).异步传送方式(ATM)适配层(AAL).亚层:提供面向连接的传输服务(COTS)的业务说明协调功能(SSCF)
Broadband Integrated Services Digital Network (B-ISDN) - ATM Adaptation Layer (AAL) - Sublayers: Service Specific Co-ordination Function (SSCF) to provide the Connection-Oriented Transport Service (COTS) [ITU-T Recommendation I.365.3 (1995)] (Endorsement