CONTENTS

1 Scope
2 References
3 Terms and Definitions
4 Abbreviations
5 Conventions
6 DCM Requirements
6.1 Distributed Call and Connection Management Operations procedures
6.1.1 Process for Call Request
6.1.2 Process for Connection Request
6.2 Signalling Network Resilience
6.2.1 User signalling defect
6.2.2 Network signalling defect
6.3 DCM Signal Flow Exception Handling
6.3.1 Setup Connection
6.3.2 Existing Calls
6.3.3 Call Release
7 DCM Attributes List
7.1 UNI Attributes List
7.1.1 Identity Attributes
7.1.2 Service Attributes
7.1.3 Policy Attributes
7.1.4 Status Attributes
7.2 I-NNI Attributes List
7.2.1 Identity Attributes
7.2.2 Service Attributes
7.2.3 Policy Attributes
7.2.4 Status Attributes
7.3 E-NNI Attributes List
7.3.1 Identity Attributes
7.3.2 Service Attributes
7.3.3 Policy Attributes
7.3.4 Status Attributes
8 DCM Message Sets
8.1 UNI Messages
8.1.1 Call Setup
8.1.2 Call Release
8.1.3 Call Query
8.1.4 Notification
8.2 I-NNI Messages
8.2.1 Connection Setup
8.2.2 Connection Release
8.2.3 Connection Query
8.2.4 Notification
8.3 E-NNI Messages
8.3.1 Connection Setup
8.3.2 Connection Release
8.3.3 Connection Query
8.3.4 Notification
9 DCM State Diagrams
9.1 Call State
9.1.1 Initiating User CallC Call State
9.1.2 Terminating User CallC Call State
9.1.3 Network CallC Call State
9.2 Connection State
9.2.1 Initiating User CC (for SC) or Initiating Network CC (for SPC) Connection State
9.2.2 Terminating User CC (for SC) or Terminating Network CC (for SPC) Connection State
9.2.3 Intermediate CC Connection State
10 Management of the Call and Connection Controller Function
10.1 Setting Up a Connection
10.2 Releasing a Connection