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EN 301 134 : 1.1.1

M00044509

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EN 301 134 : 1.1.1

INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - COMPLETION OF CALLS ON NO REPLY (CCNR) SUPPLEMENTARY SERVICE - SERVICE DESCRIPTION

European Telecommunications Standards Institute

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Abstract

Stage 1 service description of the completion of calls on no reply supplementary service.

General Product Information

Document Type Standard
Status Current
Publisher European Telecommunications Standards Institute
Committee ýNA1
Supersedes
  • PREN 301 134 : 1.1.1