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 dialling
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