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NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

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Technical rule [CURRENT]

ITU-T Q.2957.1
Stage 3 description for additional information transfer supplementary services using B-ISDN digital subscriber signalling system No. 2 (DSS2) - Basic call : User-to-user signalling (UUS)

Edition 1995-02

Original language English

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DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

ITU-T Q.2957.1 Stage 3 description for additional information transfer supplementary services using B-ISDN digital subscriber signalling system No. 2 (DSS2) - Basic call : User-to-user signalling (UUS)

ITU-T Q.2957.1
Stage 3 description for additional information transfer supplementary services using B-ISDN digital subscriber signalling system No. 2 (DSS2) - Basic call : User-to-user signalling (UUS)