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| 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)
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| In force components |
Number
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Title |
Status |
Q.2955.1 (06/97)
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Stage 3 description for community of interest supplementary services using B-ISDN digital subscriber signalling system No. 2 (DSS2) : Closed User Group (CUG)
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In force
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