Table of Contents

Foreword
1 Scope
2 Normative references
3 Abbreviations
4 Model description
  4.1 Protocol pillars
  4.2 Co-ordination between B-channel and D-channel
  4.3 Mapping of ETS 300 102-1 causes to
      OSI CONS reasons
5 Layer 1 protocols
  5.1 Basic access
  5.2 Primary rate access
6 D-channel layer 2
7 D-channel layer 3
  7.1 The access protocol
  7.2 Terminal selection and compatibility checking
  7.3 Service specific use of supplementary services
8 B-channel protocols
  8.1 B-channel Layer 2
  8.2 B-channel Layer 3
9 Layer 4 transport protocol
  9.1 Additional application rules for the transport
      protocol in CCITT Recommendation T (layer 4)
  9.2 Specification of the additional application
      rules for the transport protocol in ISO/IEC
      8073 and CCITT Recommendation X.224 (layer 4)
Annex A (informative): Comparison between ISO 7776
                       and CCITT Recommendation X.75
                       Layer 2
  A.1 Referenced documents
  A.2 Introduction
  A.3 Table of differences
  A.4 Details of the differences
  B.1 Introduction
  B.2 Receiving acknowledgement (Sec 2.4.5.5)
  B.3 Receiving an RNR frame (Sec 2.4.5.7)
Annex C (informative): Valuation of the application
                       rules for the layer 2 protocols
  C.1 Introduction
  C.2 Table of application rules
  C.3 Evaluation of the application rules
  C.4 Overall valuation of the interworking
Annex D (informative): Differences between the
                       CCITT Recommendation X.224 and
                       the International Standard
                       ISO/IEC 8073
  D.1 General
  D.2 Additional items in CCITT Recommendation X.224
  D.3 Other differences
  D.4 Conclusion for Class 0
Annex E (informative): Differences between the CCITT
                       Recommendation T.70 and ISO/IEC
                       8073
  E.1 Referenced documents
  E.2 Introduction
  E.3 Structure and terminology of the documents
  E.4 Differences in the contents of CCITT
      Recommendation T.70 and ISO/IEC 8073
Annex F (informative): Bibliography
History

Abstract

Specifies the use of all protocols and supplementary services up to and including layer 4 for telematic terminals in the Integrated Services Digital Network (ISDN). Only covers demand circuit switched calls using the 64 kbits/s unrestricted digital bearer capability and the DTE DTE case of the Network Layer peer entities in B channel connection. Applies to terminals using either basic access or primary rate access to the ISDN.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	TE 7
Supersedes	PRETS 300 080 : JUN 92