This European Telecommunication Standard (ETS) specifies the Service Specific Co-ordination Function (SSCF) for support of signalling 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 300 438-1:1995 ed.1
40.20
DIS ballot initiated: 12 weeks
Feb 9, 2026
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