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ÖNORM EN 301918 V 1.1.1

Issue date: 2003 09 01

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Single step call transfer supplementary service [ISO/IEC 19459 (2001) modified]

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General information on ÖNORM EN 301918 V 1.1.1

Format
Digital | 6 Pages
Language
English
Publisher
Austrian Standards International

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