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ITU-T Q.80

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ITU-T Q.80

Introduction to stage 2 service descriptions for supplementary services

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Author ITU
Editor ITU
Document type Standard
Format File
ICS 33.080 : Integrated Services Digital Network (ISDN)
Number of pages 4
Year 1980
Document history
Country Switzerland
Keyword CCITT Q.80;ITU-T 80;80