GR 3112 CORE : ISSUE 5
Current
The latest, up-to-date edition.
EMERGENCY SERVICES NETWORK INTERCONNECTION
01-12-2013
Preface
1 Introduction
1.1 Purpose and Scope
1.2 Target Audience
1.3 Background
1.3.1 E9-1-1 Service Description
1.3.2 Definition of Terms
1.4 Requirements Terminology
1.5 Requirement Labeling Conventions
1.5.1 Numbering of Requirement and Related Objects
1.5.2 Requirement, Conditional Requirement, and Objective
Identification
1.5.3 Requirements in This GR
1.6 Related Documents
2 Network Interconnection Architectures
2.1 Interconnection with Originating VoP/NGN-Based Networks
2.1.1 Routing of 9-1-1 Calls to Appropriate E9-1-1 Tandem
by NGN
2.1.2 Routing of Emergency Calls Originating in SIP-Based
VoP/NGN Networks
2.1.3 NGN Access to AIN-Based Emergency Services Networks
2.1.4 Disclosure of Routing and Addressing Information
2.2 Interconnection with IXC Networks
2.2.1 Interconnection with ISUP-Based IXC Networks
2.2.2 Interconnection with SIP-Based IXC Networks
3 Network Interconnection Interface Protocols
3.1 CCS Interface Protocols Client
3.1.1 Call Control Interface
3.1.2 Non-Circuit Related Signaling Using SCCP/TCAP
3.1.3 Non-Circuit Related Signaling Protocol for Position
Query
3.1.4 Abnormal Conditions/Error Handling Related to TCAP
Interactions
3.2 SIP Protocol for E9-1-1 Call Setup
3.2.1 SIP Request Messages Applicable to Emergency Calls
3.2.2 SIP Response Messages Applicable to Emergency Calls
3.2.3 SIP Message Headers
3.2.4 E9-1-1 Call Originating in a SIP-Based Network and
Terminating in a Company Emergency Services Network
3.2.5 Transferred E9-1-1 Call Traversing a SIP-Based IXC
Network
Appendix A: References
Note
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Appendix B: Acronyms
List of Figures
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