ECMA 294 : 1ED 99

1 Scope
2 References
3 Definitions
   3.1 Adjacent call control entities (adjacent CC
        entities)
   3.2 Bearer
   3.3 Bearer control
   3.4 Bearer control entity (BC entity)
   3.5 Call
   3.6 Call control
   3.7 Call control entity (CC entity)
   3.8 Call control signalling service provider
   3.9 Call control signalling service user
   3.10 Call segment
   3.11 Called party
   3.12 Calling party
   3.13 Information model
   3.14 Originating CC entity
   3.15 Party
   3.16 Preceding CC entity
   3.17 Succeeding CC entity
   3.18 Terminating CC entity
   3.19 Transit CC entity
4 Abbreviations
5 Basic model
   5.1 Separation of Call Control (CC) and Bearer
        control (BC)
   5.2 Point-to-point and multi-party CC
   5.3 CC architecture
   5.4 Relationship to BC architecture
   5.5 Screening function
6 Operational requirements
   6.1 Provision and withdrawal
   6.2 Transport mechanism
7 Primitive definitions and state definitions
   7.1 Service primitives
        7.1.1 Service primitive architecture
        7.1.2 ESTABLISH-CALL
        7.1.3 COMPLETE-CALL
        7.1.4 STATUS-CALL
        7.1.5 RELEASE-CALL
        7.1.6 PROCEED-CALL
        7.1.7 ERROR
   7.2 Parameters
        7.2.1 Call segment ID
        7.2.2 Call description
        7.2.3 Call changed parameter
        7.2.4 Await complete indicator
        7.2.5 Bearer establishment address
        7.2.6 Release cause
        7.2.7 Result
        7.2.8 Diagnostics
   7.3 CC states
        7.3.1 Call Idle
        7.3.2 Call Initiated
        7.3.3 Outgoing Call Proceeding
        7.3.4 Call Ready
        7.3.5 Call Present
        7.3.6 Incoming Call Proceeding
        7.3.7 Await Call Completion
        7.3.8 Call Active
        7.3.9 Call Release Request
        7.3.10 Call Release Indication
8 Coding requirements
   8.1 Abstract definition of the CC operations
   8.2 Definition of CC Object Super Class
   8.3 Definitions of CC Object Classes in the Information
        Model
9 Procedures
   9.1 Call establishment request
        9.1.1 Preceding CC entity
        9.1.2 Succeeding CC entity
   9.2 Call Proceeding
        9.2.1 Preceding CC entity
        9.2.2 Succeeding CC entity
   9.3 Call accepted
        9.3.1 Preceding CC entity
        9.3.2 Succeeding CC entity
   9.4 Completion of call establishment
        9.4.1 Preceding CC entity
        9.4.2 Succeeding CC entity
   9.5 Call status change report
        9.5.1 General
        9.5.2 Initiating CC entity Receiving CC entity
   9.6 Call establishment failure
        9.6.1 Preceding CC entity
        9.6.2 Succeeding CC entity
   9.7 Call clearing
        9.7.1 Procedures at the CC entity that initiates
               call clearing
        9.7.2 Procedures at the CC entity that responds
               to clearing
        9.7.3 Call clearing collision
   9.8 Exceptional Procedures
        9.8.1 Timer Expiry
        9.8.2 Receipt of APDUs with unknown Call Segment
               Id
        9.8.3 Receipt of APDUs with duplicated Call
               Segment Id
        9.8.4 Receipt of APDUs out of sequence
        9.8.5 Receipt of Reject APDUs
        9.8.6 Handling of unrecognized parameters within
               CC-Operations
10 Parameter values (Timers)
11 Transport mechanism
12 SDL Diagrams
   12.1 Outgoing CC-ASE
   12.2 Incoming CC-ASE
Annex A - Bearer co-ordination requirements for CC
          signalling service users
Annex B - Call Description handling requirements for
          CC signalling service users
Annex C - Interworking
Annex D - Transport mechanisms
Annex E - Information flow diagrams
Annex F - Imported ASN.1 Definitions
Annex G - Object identifiers defined in this Standard
Annex H - Bibliography

Call control at the QB, SB, TB, and co-incident SB/TB reference points within, between, and at the access to Broadband Private Integrated Services Networks and within, between and at the access to European Broadband Integrated Services Digital Network is the purpose of a signalling protocol defined in this Standard.