1 Scope
2 Conformance
3 References (normative)
4 Definitions
   4.1 Definitions in PNNI
   4.2 Other external definitions
   4.3 Other definitions
        4.3.1 ATM endsystem address
        4.3.2 Broadband private integrated services
               network (B-PISN)
        4.3.3 Call
        4.3.4 Call/connection
        4.3.5 En bloc
        4.3.6 Gateway PINX
        4.3.7 Incoming call/connection
        4.3.8 Incoming gateway PINX
        4.3.9 Information element
        4.3.10 Information element with invalid contents
        4.3.11 Inter-PINX link (IPL)
        4.3.12 Inter-PINX virtual channel (IPVC)
        4.3.13 Inter-PINX virtual channel identifier
               (IPVCI)
        4.3.14 Inter-PINX virtual path (IPVP)
        4.3.15 Inter-PINX virtual path identifier (IPVPI)
        4.3.16 Interworking PINX
        4.3.17 Narrow-band private integrated services
               network (N-PISN)
        4.3.18 Originating PINX
        4.3.19 Outgoing call/connection
        4.3.20 Outgoing gateway PINX
        4.3.21 Overlap
        4.3.22 Preceding PINX
        4.3.23 Preceding side
        4.3.24 Public broadband ISDN (public B-ISDN)
        4.3.25 Public integrated services digital network
               (public ISDN)
        4.3.26 Public narrow-band ISDN (public N-ISDN)
        4.3.27 Side
        4.3.28 Signalling AAL (SAAL)
        4.3.29 Succeeding PINX
        4.3.30 Succeeding side
        4.3.31 Terminating PINX
        4.3.32 Transit PINX
        4.3.33 Unexpected message
        4.3.34 Unrecognised information element
        4.3.35 Unrecognised message
        4.3.36 Unspecified bit rate (UBR)
        4.3.37 Virtual channel
        4.3.38 Virtual channel connection
5 List of acronyms
6 General Principles
   6.1 Protocol model
   6.2 Services provided to CCH
   6.3 Services required of the SAAL
   6.4 Protocol Control states
        6.4.1 Call/connection states
        6.4.2 Additional call/connection states relating
               to the provision of N-PISN services
        6.4.3 States for restart initiation
        6.4.4 States for restart response
   6.5 CCH states at a Transit PINX
        6.5.1 TCC_Idle (0)
        6.5.2 TCC_Incoming_Call_Proceeding (4)
        6.5.3 TCC_Transit_Call_Proceeding (5)
        6.5.4 TCC_Call_Alerting (6)
        6.5.5 TCC_Call_Active (7)
        6.5.6 TCC_Await_Incoming_Release (8)
        6.5.7 TCC_Await_Outgoing_Release (9)
        6.5.8 TCC_Await_Two-Way_Release (10)
   6.6 Additional CCH states relating to the provision
        of N-PISN services at a Transit PINX
        6.6.1 TCC_Await_Digits (1)
        6.6.2 TCC_Await_Additional_Digits (2)
        6.6.3 TCC_Overlap (3)
7 Message functional definitions and content
   7.1 Messages for B-QSIG call/ connection control
        7.1.1 ALERTING
        7.1.2 CALL PROCEEDING
        7.1.3 CONNECT
        7.1.4 RELEASE
        7.1.5 RELEASE COMPLETE
        7.1.6 SETUP
        7.1.7 NOTIFY
        7.1.8 PROGRESS
   7.2 Additional or modified messages related to the
        support of 64 kbit/s based PISN circuit-mode
        services
        7.2.1 ALERTING
        7.2.2 CONNECT
        7.2.3 PROGRESS
        7.2.4 RELEASE
        7.2.5 SETUP
        7.2.6 INFORMATION
        7.2.7 SETUP ACKNOWLEDGE
   7.3 Messages for point-to-multipoint call/connection
        control
        7.3.1 ADD PARTY
        7.3.2 ADD PARTY ACKNOWLEDGE
        7.3.3 PARTY ALERTING
        7.3.4 ADD PARTY REJECT
        7.3.5 DROP PARTY
        7.3.6 DROP PARTY ACKNOWLEDGE
   7.4 Messages used with the global call reference
8 General message format and information elements coding
   8.1 Overview
   8.2 Protocol discriminator
   8.3 Call reference
   8.4 Message type, and message length
        8.4.1 Message type
        8.4.2 Message length
   8.5 Variable length information elements for B-ISDN
        environment
        8.5.1 Coding rules
        8.5.2 Extensions of codesets
        8.5.3 Broadband-locking shift procedure
        8.5.4 Broadband-non-locking shift procedure
        8.5.5 ABR additional parameters
        8.5.6 ABR setup parameters
        8.5.7 Alternative ATM traffic descriptor
        8.5.8 ATM adaptation layer parameters
        8.5.9 ATM traffic descriptor
        8.5.10 Broadband bearer capability
        8.5.11 Broadband high layer information (B-HLI)
        8.5.12 Broadband low layer information (B-LLI)
        8.5.13 Broadband repeat indicator
        8.5.14 Broadband sending complete
        8.5.15 Call state
        8.5.16 Called party number
        8.5.17 Called party subaddress
        8.5.18 Calling party number
        8.5.19 Calling party subaddress
        8.5.20 Cause
        8.5.21 Connected number
        8.5.22 Connected subaddress
        8.5.23 Connection identifier
        8.5.24 Connection scope selection
        8.5.25 End-to-end transit delay
        8.5.26 Extended Quality of service (QOS) parameter
        8.5.27 Minimum acceptable ATM traffic descriptor
        8.5.28 Notification indicator
        8.5.29 Quality of service (QOS) parameter
        8.5.30 Restart indicator
        8.5.31 Transit network selection
        8.5.32 OAM traffic descriptor
        8.5.33 Progress indicator
        8.5.34 Calling party soft PVPC or PVCC
        8.5.35 Called party soft PVPC or PVCC
   8.6 Information Elements for the support of 64 kbit/s
        based ISDN circuit mode services
        8.6.1 Narrow-band bearer capability
        8.6.2 Narrow-band high layer compatibility
        8.6.3 Narrow-band low layer compatibility
        8.6.4 Progress indicator
   8.7 Information Elements for Point-to-Multipoint
        Call/connection control
9 Protocol control procedures for B-QSIG point-to-point
   calls/connections
   9.1 Establishment of a signalling AAL
   9.2 Call/Connection establishment
        9.2.1 Handling of a PROGRESS message
        9.2.2 Call/connection failure
   9.3 Call/Connection clearing
   9.4 Call/connection collisions
   9.5 Restart procedure
   9.6 Handling of error conditions
        9.6.1 Sending a STATUS message
        9.6.2 Determination of protocol state compatibility
               on receipt of a STATUS message containing a
               call reference other than the global call
               reference
   9.7 Error procedures with explicit action indication
   9.8 Handling of messages with insufficient information
   9.9 Notification procedures
   9.10 Notification of interworking
   9.11 List of Timers
10 Call/connection Control Procedures for Point-to-Multipoint
   Calls
11 Procedures for the support of 64kbit/s based circuit mode
   basic services in B-PISN and interworking between N-PISNs
   and B-PISNs
   11.1 Introduction
   11.2 Use of information elements for N-PISN services
        11.2.1 General aspects
        11.2.2 Bearer service related information
        11.2.3 Low layer related information
        11.2.4 Higher layer related information
        11.2.5 Handling of inconsistent combination of
                service parameters
   11.3 Interworking PINX procedures for the succeeding
        side
        11.3.1 Mapping of service related information
        11.3.2 Mapping of cause information
   11.4 Interworking PINX procedures for the preceding side
        11.4.1 General aspects
        11.4.2 Mapping of service related information
        11.4.3 Mapping of cause information
   11.5 Overlap sending
        11.5.1 Preceding side procedures
        11.5.2 Succeeding side procedures
   11.6 Notification of interworking
   11.7 Tones and announcements
        11.7.1 Tones and announcements during call
                establishment
        11.7.2 Clearing when tones and announcements are
                provided
12 Call/connection handling requirements
   12.1 Transit PINX call/connection handling requirements
        12.1.1 Receipt of SETUP message
        12.1.2 Channel through connection procedures
        12.1.3 State TCC_Incoming_Call_Proceeding
        12.1.4 State TCC_Transit_Call_Proceeding
        12.1.5 State TCC_Call_Alerting
        12.1.6 State TCC_Call_Active
        12.1.7 Clearing at a Transit PINX
        12.1.8 Additional procedures for N-PISN interworking
        12.1.9 Handling of basic call information elements
                at a Transit PINX
        12.1.10 Notifications
   12.2 Originating PINX call/connection handling requirements
        12.2.1 Transmission of the SETUP message
        12.2.2 Connection to the user plane virtual channel
        12.2.3 Receipt of an ALERTING message
        12.2.4 Receipt of a CONNECT message
        12.2.5 Receipt of PROGRESS message
        12.2.6 Notifications
        12.2.7 Call/connection clearing initiated by the
                Originating PINX
        12.2.8 Receipt of an indication of call/connection
                clearing
   12.3 Terminating PINX call/connection handling requirements
        12.3.1 Receipt of the SETUP message
        12.3.2 Transmission of an ALERTING message
        12.3.3 Transmission of a CONNECT message
        12.3.4 Notifications
        12.3.5 Call/connection clearing initiated by the
                Terminating PINX
        12.3.6 Receipt of an indication of call/connection
                clearing
   12.4 Incoming Gateway PINX call/connection handling
        requirements
        12.4.1 Transmission of the SETUP message
        12.4.2 Connection of the user plane virtual channel
        12.4.3 Receipt of ALERTING message
        12.4.4 Receipt of CONNECT message
        12.4.5 Receipt of PROGRESS message
        12.4.6 Notifications
        12.4.7 Call/connection clearing initiated by the
                Gateway PINX
        12.4.8 Receipt of an indication of call/connection
                clearing
   12.5 Outgoing Gateway PINX call/connection handling
        requirements
        12.5.1 Receipt of the SETUP message
        12.5.2 Connection of the user plane virtual
                channel
        12.5.3 Transmission of ALERTING message
        12.5.4 Transmission of CONNECT message
        12.5.5 Transmission of PROGRESS message
        12.5.6 Notifications
        12.5.7 Call/connection clearing initiated by the
                Gateway PINX
        12.5.8 Receipt of an indication of call/connection
                clearing
   12.6 Interworking PINX call/connection handling
        requirements for N-PISN -> B-PISN interworking
        12.6.1 Transmission of the SETUP message
        12.6.2 Connection of the user plane virtual channel
        12.6.3 Receipt of progress indicators
        12.6.4 Receipt of CONNECT message
        12.6.5 Call/connection clearing initiated by the
                interworking PINX
   12.7 Interworking PINX call/connection handling
        requirements for B-PISN -> N-PISN interworking
        12.7.1 Receipt of the SETUP message
        12.7.2 Transmission of progress indications
        12.7.3 Transmission of CONNECT message
        12.7.4 Call/connection clearing initiated by the
                Interworking PINX
Annex A - Protocol Implementation Conformance Statement
          (PICS) proforma
Annex B - Soft permanent virtual connection procedures
Annex C - Mapping functions to support 64 kbit/s based
          circuit-mode PISN services in B-PISNs and
          interworking between N-PISNs and B-PISNs
          (QSIG/B-QSIG)
Annex D - Specification and Description Language (SDL)
          representation of protocol control procedures
Annex E - Guidelines for the use of instruction indicators
Annex F - Description of the capabilities supported by the
          protocol defined in this Standard
Annex G - Specification and Description Language (SDL)
          representation of CCH at a Transit PINX and at
          an Interworking PINX
Annex H - Manufacturer specific information
Annex I - Possible strategies for avoidance of IPVCI
          collisions
Annex J - Differences between this Standard and PNNI
Annex K - Specification and Description Language (SDL)
          representation of point-to-multipoint
          procedures
Annex L - Guidelines for interworking with ATM Forum PNNI
          1.0