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ITU Q.80:1988

ITU Q.80:1988 Introduction To Stage 2 Service Descriptions For Supplementary Services

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Table of Contents

1Introduction
2Cross-references
3Relationshipsamongsupplementaryservices
3.1Calldiversionservices
ANNEXACross-referencelistofStage1andStage2
Recommendationsonsupplementaryservices

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