This European Telecommunication Standard (ETS) specifies the Layer Management functions for the Signalling ATM Adaptation Layer (SAAL) at the Network Node Interface (NNI) for the pan-European Broadband Integrated Services Digital Network (B-ISDN) as provided by European public telecommunications operators.
IN_DEVELOPMENT
prSSH ETS 300 647:1997 ed.1
40.60
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May 11, 2026