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ETSI EN 301 655

ETSI EN 301 655
ETSI EN 301 655 English PDF Private Integrated Services Network (PISN); Specification, functional model and information flows; Call priority interruption and call priority interruption protection supplementary services; [ISO/IEC 15991 (1998), modified]

standard published 08/01/1999 by European Telecommunications Standards Institute

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This European Normes (EN) contains the specification, functional model and information flows for the Call priority interruption supplementar

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Edition: 1.1.1 Published: 08/01/1999 Number of Pages: 6

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