CONTENTS

 1     Scope
 
2     References
 3     Definitions
 4     Abbreviations
 5     Framework
        5.1     Layer 1
        5.2     Layer 2
        5.3     Implementation
        5.4     Operator information
 6     Designations of public switched circuit interconnections
        6.1     General
        6.2     Telephone-type circuits
                  6.2.1     General
                  6.2.2     Telephone circuits used in manual operation
                  6.2.3     One-way telephone circuits used for semi-automatic or automatic operation
                  6.2.4     Both-way telephone circuits used for semi-automatic or automatic operation
        6.3     Circuit used for switched telex and telegraph services
        6.4     Interconnecting circuits in the public switched data network
        6.5     Related information
 7     Related information for public switched circuit interconnections
        7.1     Urgency for restoration [item 1]
        7.2     Terminal countries [item 2]
        7.3     Names of Network operators/service providers [item 3]
        7.4     Control station (sub-control station(s)) [item 4]
        7.5     Fault report points [item 5]
        7.6     Routing [item 6]
        7.7     Association [item 7]
        7.8     Equipment information [item 8]
        7.9     Use [item 9]
       7.10     Transmission medium information [item 10]
       7.11     Composition of the transmission [item 11]
       7.12     Bandwidth or bit rate [item 12]
       7.13     Signalling type [item 13]
 8     Designations of fixed (non-switched) circuit interconnections between operators
        8.1     General
        8.2     Leased circuit interconnections
                  8.2.1     General
                  8.2.2     Analogue leased circuits used for telephony
                  8.2.3     Analogue leased circuits used for telegraphy
                  8.2.4     Leased telegraph circuits
                  8.2.5     Analogue leased circuits used for data transmission
                  8.2.6     Analogue leased circuits used for phototelegraphy or facsimile
                  8.2.7     Analogue leased circuits used for sound-programme transmission
                  8.2.8     Analogue leased circuits used for television transmission
                  8.2.9     Leased circuits used for digital video transmission
                 8.2.10     Analogue leased circuits connecting circuit multiplication terminal equipment at renters' premises
                 8.2.11     Analogue leased circuits used for transmission other than those designated above, or used for combinations of transmissions
                 8.2.12     Analogue leased circuits connecting three or more locations
                 8.2.13     Leased analogue groups, supergroups, etc.
                 8.2.14     Leased analogue group, supergroup links
                 8.2.15     Digital leased circuits connecting two locations
                 8.2.16     Digital leased circuits connecting three or more locations
        8.3     Fixed (non-switched) public circuits
                  8.3.1     General
                  8.3.2     Circuits used for sound-programme transmission
                  8.3.3     Circuits used for television transmision
                  8.3.4     Circuits for digital audio and video transmission
                  8.3.5     Telephone-type circuits used for phototelegraphy or facsimile
                  8.3.6     Telephone-type circuits used to provide voice-frequency telegraph links
                  8.3.7     Telephone-type circuits used to provide TDM (Time Division Multiplex) telegraph systems
                  8.3.8     Telephone-type circuits used for data transmission
                  8.3.9     Telephone-type circuits used as transfer links for common channel signalling systems No. 6 and No. 7
        8.4     Related information
 9     Related information for fixed circuit interconnections
        9.1     Urgency for restoration [item 1]
        9.2     Terminal countries [item 2]
        9.3     Names of Network operators/service providers [item 3]
        9.4     Control station (sub-control station(s)) [item 4]
        9.5     Fault report points [item 5]
        9.6     Routing [item 6]
        9.7     Association [item 7]
        9.8     Equipment information [item 8]
        9.9     Use [item 9]
       9.10     Transmission medium information [item 10]
       9.11     Composition of the transmission [item 11]
       9.12     Bandwidth or bit rate [item 12]
       9.13     Signalling type [item 13]
       9.14     Applicable ITU-T Recommendations [item 14]
10     Designations of group, supergroup, etc. (bidirectional and unidirectional) interconnections
       10.1     General
       10.2     Bidirectional groups, etc.
                 10.2.1     Group
                 10.2.2     Supergroup
                 10.2.3     Mastergroup
                 10.2.4     Supermastergroup
                 10.2.5     Use of the groups, etc.
                 10.2.6     Restoration groups and supergroups
       10.3     Unidirectional groups and supergroups
                 10.3.1     Multiple destination unidirectional groups and supergroups
                 10.3.2     Single destination unidirectional groups and supergroups
       10.4     Related information
11    Designations of group link, supergroup link and line link interconnections
       11.1     Group and supergroup links
                 11.1.1     Conventional links not connected to their terminal equipment
                 11.1.2     Restoration links
       11.2     Line links
       11.3     Related information
12     Related information for group, group link and line link interconnections
       12.1     Urgency for restoration [item 1]
       12.2     Terminal countries [item 2]
       12.3     Names of Network operators/service providers [item 3]
       12.4     Control station [sub-control station(s) [item 4]
       12.5     Fault report points [item 5]
       12.6     Routing [item 6]
       12.7     Association [item 7]
       12.8     Equipment information [item 8]
       12.9     Use [item 9]
      12.10     Transmission medium information [item 10]
      12.11     End-to-end information or Operational Agreement [item 11]
                12.11.1     End-to-end information (for mixed analogue/digital routes only)
                12.11.2     Operational Agreement (for groups, group links and line links only)
      12.12     Bandwidth [item 12]
      12.13     Occupancy (for groups/supergroups, etc., and for line links) [item 13]
13     Designations of digital block (bidirectional and unidirectional) interconnections
       13.1     General
       13.2     Bidirectional digital blocks
                 13.2.1     Symmetrical configuration
                 13.2.2     Asymmetrical configuration
       13.3     Restoration digital blocks
       13.4     Multiple destination unidirectional digital blocks
       13.5     Single destination unidirectional digital blocks
       13.6     Related information
14     Designation of digital path interconnections
       14.1     Conventional digital paths not connected to their terminal equipment
       14.2     Restoration digital paths
       14.3     Digital line sections and digital radio sections
       14.4     Related information
15     Designations of routes in the mixed analogue/digital transmission network
       15.1     Transmission routes with one analogue-to-digital conversion
                 15.1.1     Groups and supergroups, etc. forming part of a mixed analogue/digital transmission route
                 15.1.2     Digital blocks and paths forming part of a mixed analogue/digital transmission route
                 15.1.3     End-to-end designations
       15.2     Transmission routes with two analogue-to-digital conversions
                 15.2.1     End-to-end designations
                 15.2.2     Intermediate section designation
       15.3     Transmission routes with more than two analogue-to-digital conversions
       15.4     Related information
16     Designation of data transmission systems
       16.1     General
       16.2     Data transmission links
       16.3     Related information
17     Designations of digital block interconnections created by the interconnection of Digital Circuit Multiplication Equipments (DCMEs)
       17.1     General
       17.2     Multi-clique configuration of DCMEs
       17.3     Low Rate Encoding Equipment
       17.4     Related information
18     SDH
       18.1     Designation of multiplex sections of the Synchronous Digital Hierarchy (SDH)
                 18.1.1     General
                 18.1.2     Related information
       18.2     Designations of Virtual Container interconnections
                 18.2.1     General
                 18.2.2     Related information
       18.3     Concatenated Virtual Containers
       18.4     Leased circuits based on SDH
                 18.4.1     General
                 18.4.2     Designations
                 18.4.3     Application
                 18.4.4     Related information
19     Related information for digital block, path, data transmission system, block interconnections created by the interconnection of DCMEs, SDH multiplex sections and Virtual Containers
       19.1     Urgency for restoration [item 1]
       19.2     Terminal countries [item 2]
       19.3     Names of network operators/service providers [item 3]
       19.4     Control station [sub-control station(s)] [item 4]
       19.5     Fault report points [item 5]
       19.6     Routing [item 6]
       19.7     Association [item 7]
                 19.7.1     Information on reserve blocks, paths, data transmission systems created digital blocks between DCMEs, Virtual Containers and multiplex sections
                 19.7.2     Information on diverse routing
                 19.7.3     Information on consecutive routing
                 19.7.4     Information on maintaining the sequential order of digital paths (concatenation)
       19.8     Equipment information [item 8]
       19.9     Use [item 9]
      19.10    Transmission medium information [item 10]
      19.11     End-to-end information or composition of transmission or Operational Agreement [item 11]
                19.11.1     End-to-end information (for blocks and paths on mixed analogue/digital routes only)
                19.11.2     Composition of transmission (for data transmission systems)
                19.11.3     Operational agreement (for digital blocks, digital paths, virtual containers and SDH multiplex sections only)
      19.12     Bit rate (for blocks, paths and SDH multiplex sections) [item 12]
      19.13     Occupancy (except for paths) [item 13]
      19.14     Actual number of channels and access point identifier [item 14]
                19.14.1     Actual number of channels (primary blocks only)
                19.14.2     Access point identifiers (virtual containers and SDH multiplex sections)
      19.15     Clocking information (for blocks only) [item 15]
      19.16     Direction of transmission (for unidirectional blocks) [item 16]
20     Designation of connections for the Asynchronous Transport Mode (ATM)
       20.1     General
       20.2     Transport links
       20.3     Virtual path
       20.4     Virtual channels
       20.5     ATM Layer 2
21     Related information for the Asynchronous Transport Mode (ATM)
       21.1     Urgency for restoration [item 1]
       21.2     Terminal countries [item 2]
       21.3     Names of Network operators/service providers [item 3]
       21.4     Control and sub-control station(s) [item 4]
       21.5     Fault report points [item 5]
       21.6     Routing [item 6]
       21.7     Association [item 7]
       21.8     Equipment information [item 8]
       21.9     Use [item 9]
      21.10     Transmission medium information [item 10]
      21.11     Operational agreement [item 11]
      21.12     Unassigned item [item 12]
      21.13     Occupancy [item 13]
      21.14     Direction of transmission (for unidirectional transit Network Services only) [item 14]
      21.15     ATM transfer capability [item 15]
      21.16     Source traffic descriptor [item 16]
      21.17     Cell Delay variation tolerance [item 17]
      21.18     Quality of Service [item 18]
22     Transit network services
       22.1     General
       22.2     Transit digital transmission service
       22.3     Transit dark fibre service
       22.4     Related information
23     Related information on transit network service
       23.1     Urgency for restoration [item 1]
       23.2     Terminal countries [item 2]
       23.3     Names of network operators/service providers [item 3]
       23.4     Control station [sub-control station(s)] [item 4]
       23.5     Fault report points [item 5]
       23.6     Routing [item 6]
       23.7     Association [item 7]
       23.8     Equipment information [item 8]
       23.9     Use [item 9]
      23.10     Transmission medium information [item 10]
      23.11     SLA [item 11]
      23.12     Bit rate [item 12]
      23.13     Commercial identifier [item 13]
      23.14     Unassigned item[item 14]
      23.15     Clocking information [item 15]
      23.16     Direction of transmission (for unidirectional transit network services only) [item 16]
24     Designations for wavelength division multiplexing (Simple and Dense)
       24.1     General
       24.2     The equipment
       24.3     Configurations for the newly created transmission systems
       24.4     General format for the optical transmission systems
                 24.4.1     The function codes
       24.5     Related information
25     Related information on DWDM
26     Exceptional designations
       26.1     Exceptional designations with intelligence in the serial number
Annex A - Full examples for designation information
        A.1     Full example for the designation information of a public switched telephone circuit
        A.2     Full example for the designation information of a leased analogue circuit
        A.3     Full examples for the designation information of a group and a group link interconnection
                  A.3.1     Full example for the designation information of a group interconnection
                  A.3.2     Full example for the designation information of a group link interconnection
        A.4     Full examples for the designation information of a digital block, digital path, data transmission system, blocks created between DCMEs, Virtual Containers and SDH multiplex section interconnections
                  A.4.1     Full example for the designation information of a digital block (bidirectional) interconnection
                  A.4.2     Full example for the designation information of a digital path interconnection
                  A.4.3     Full example for the designation information of a data transmission system interconnection
                  A.4.4     Full example for the designation information of a block created by the interconnection of DCMEs
                  A.4.5     Full example for the designation of a Virtual Container interconnection
                  A.4.6     Full example for the designation information of a multiplex section interconnection
Annex B - KLM addressing and its relationship to time slot numbering for virtual containers
        B.1     KLM addressing relationship to time slot numbering
        B.2     KLM addressing of VC4 occupancy
        B.3     Comparative notation of KLM addressing vs. time slot numbering
Annex C - Reference clause numbers for the various types of routes
Annex D - Numbering of channels in data transmission systems
Annex E - Notification form for List of ITU Carrier Codes