Foreword
Introduction
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
   3.1 Definitions
   3.2 Symbols and abbreviations
4 Electrical and physical interface
   requirements
5 Procedural interface requirements
   5.1 Link control requirements and procedures
6 Services and architecture aspects and requirements
   6.1 On-demand services
   6.2 Permanent Line (PL) capability
   6.3 Semi-permanent leased line
   6.4 Permanent leased line service
7 Control and provisioning
   7.1 Control principles
   7.2 Provisioning strategy and requirements
   7.3 Bearer Channel Connection (BCC)
   7.4 Protection
8 Protocol architecture and multiplexing
   structure
   8.1 Functional description
   8.2 Protocol requirements for PSTN and ISDN
   8.3 Time slots
   8.4 Time slot allocation for physical
        communication channels
   8.5 Layer 2 sublayering and multiplexing on
        communication channels
   8.6 Layer 3 multiplexing
   8.7 Congestion control
9 Envelope Function sublayer of LAPV5
   (LAPV5-EF)
10 Data Link sublayer of LAPV5 (LAPV5-DL)
   10.1 Frame structure for peer-to-peer
        communication
   10.2 Invalid frames
   10.3 Elements of procedures and formats of
        fields for data link sublayer peer-to-peer
        communication
   10.4 Definition of the peer-to-peer procedures of the
        data link sublayer
11 AN frame relay sublayer
12 Sublayer-to-sublayer communication and
   mapping function
13 General layer 3 protocol structures
   13.1 General
   13.2 Information elements that appear in every
        message (header)
   13.3 Other information elements
   13.4 Protocol message functional definition and
        information content
   13.5 Codesets
14 PSTN signalling protocol specification and
   layer 3 multiplexing
15 Control requirements and protocol
   15.1 ISDN-BA user port status indication and
        control
   15.2 PSTN user port status indication and
        control
   15.3 ISDN primary rate user port status indication
        and control
   15.4 Control protocol
   15.5 V5.2 re-provisioning procedures
16 Link control requirements and protocol
   16.1 2048 kbit/s layer 1 link maintenance
        requirements
   16.2 Link control requirements and procedures
   16.3 Link control protocol
17 BCC protocol elements and procedures
   17.1 General
   17.2 BCC protocol entity definition
   17.3 BCC protocol message definition and content
   17.4 BCC information element definition, structure and coding
   17.5 Description of the BCC protocol and the BCC procedures
   17.6 List of system parameters (timers)
   17.7 LE side and AN side state transition tables
18 Protection protocol specification
   18.1 General
   18.2 Other principles
   18.3 Protection protocol entity definition
   18.4 Protection protocol message definition and content
   18.5 Protection protocol information element definition,
        structure and coding
   18.6 Protection protocol procedures
   18.7 List of system parameters
   18.8 AN and LE side state tables
Annex A (normative): Requirements for the support of the
                     PL capability through an ISDN port
   A.1 Requirements for the support of the PL capability
       through an ISDN basic access
   A.2 Requirements for the support of the PL capability
       through an ISDN primary rate access
Annex B (normative): Assumptions and requirements for
                     the support of semi-permanent leased
                     lines
   B.1 General
   B.2 Signalling associated to semi-permanent leased lines
   B.3 User ports
   B.4 Requirements for non-ISDN user ports for semi-permanent
       leased lines
Annex C (normative): Basic requirements of the system management
                     functions in the AN and the LE
Annex D (normative): Use of the protocol information elements
                     for national PSTN protocols
Annex E (normative): BCC protocol application principles
   E.1 Introduction
   E.2 Time slot usability
   E.3 Time slot allocation and de-allocation rules
   E.4 Audit procedure rules
   E.5 AN internal failure notification rules
   E.6 AN internal failure rules
   E.7 BCC protocol errors
   E.8 Arrow diagrams: examples of BCC protocol and
       DSS1 co-ordination
   E.9 Arrow diagrams: Examples of BCC and PSTN protocol
       co-ordination
Annex F (informative): Service scenarios, architecture and
                       functional definition of access
                       arrangements with AN at the LE
   F.1 Conclusions on multiple V5 interface applications
   F.2 Conclusions on architecture aspects
   F.3 Implementation of Q[AN]
Annex G (informative): The concept and requirements for the
                       upgrade of a V5.1 interface to a
                       V5.2 interface
Annex H (informative): PSTN protocol; explanatory notes and
                       information flow
Annex J (informative): AN requirements for pulse dialing
Annex K (informative): Layer 3 error detection procedures
Annex L (informative): SDL diagrams
   L.1 SDL diagrams for the AN side
   L.2 SDL diagrams for the LE side
Annex M (informative): Frame structures, message
                       codepoints and addressing scheme for
                       V5.2
Annex N (informative): Protocol architecture for PSTN and
                       ISDN (BA and PRA) user port control
   N.1 Scope
   N.2 ISDN-BA port status control
   N.3 ISDN-PRA user port status control
   N.4 PSTN user port control
Annex P (informative): Protection protocol; explanatory notes
                       and information flow
   P.1 Additional information on the principles of the
      protection protocol
   P.2 Information flow
 Annex Q (informative): Bibliography
Annex R (informative): Index
History