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ETSI ETS 300 256

M00000777

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ETSI ETS 300 256 Private Telecommunication Network (PTN); Specification, functional models and information flows; Diversion supplementary services

standard by European Telecommunications Standards Institute, 11/01/1993

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Contains stage 1 and stage 2 description of the (CFU) sup service (CFNR) sup service and (CFB) supplementary service. See ECMA DTR/ECMA-0002 (ECMA-TR/SVC) for a description of these supplementary services. See ENV 41 005 for definition of stage 1 and 2