NA 022
DKE Deutsche Kommission Elektrotechnik Elektronik Informationstechnik in DIN und VDE
Technische Regel
[AKTUELL]
ITU-T Q.2955.1
ITU-T Q.2955.1
Stage 3 description for community of interest supplementary services using B-ISDN digital subscriber signalling system No. 2 (DSS2): Closed User Group (CUG)
Titel (englisch)
Stage 3 description for community of interest supplementary services using B-ISDN digital subscriber signalling system No. 2 (DSS2): Closed User Group (CUG)