ETSI EN 300 647-1 Broadband Integrated Services Digital Network (B-ISDN); Signalling ATM Adaptation Layer (SAAL); Layer Management for the SAAL at the Network Node Interface (NNI); Part 1: Service Specific Connection Oriented Protocol (SSCOP) and Service Specific Co-ordination Function (SSCF) [ITU-T Recommendation Q.

standard by European Telecommunications Standards Institute, 11/01/1998