GR 1509 CORE : ISSUE 1 REV 1

Preface
1 Introduction
1.1 Definition
1.2 Background
1.3 Nomenclature
1.4 Document Organization
1.5 Requirements Terminology
2 Feature Description and Assumptions
2.1 High-Level Feature Description
2.1.1 PRI Access for CPE Connecting to a BCC
2.1.2 Business Group Members Access to IXC Services
2.1.3 Extensions to the SS7 ISDNUP Protocol
2.2 User Perspective
2.2.1 User of Class II Equipment
2.2.1.1 Origination
2.2.1.2 Termination
2.2.2 Business Group Entities Served by the SPCS
2.2.2.1 Origination
2.2.2.2 Termination
2.3 Assumptions
3 Feature Requirements
3.1 Main Feature Operations
3.1.1 Access Call Processing
3.1.1.1 Origination Treatment
3.1.1.2 Termination Treatment
3.1.2 Interoffice Call Processing
3.1.2.1 Origination Treatment
3.1.2.2 Call Processing at Intermediate Switches
3.1.2.3 Terminating Treatment
3.1.3 Release Treatment
3.1.4 Error Treatment and Abnormal Events
3.2 Other Feature Operations
3.2.1 Simulated Facility Groups for Class II Equipment
3.2.2 Simulated Facility Groups for Business Group
              Entities
3.3 Internal Call Processing
3.3.1 Screening
3.3.1.1 Originating
3.3.1.2 Terminating
3.4 Signaling
3.4.1 Customer Signaling
3.4.1.1 Class II Equipment Served by the SPCS
3.4.2 SS7 Interface Signaling
3.4.2.1 Interworking With Other Signaling Systems
3.4.2.2 Interface Specifications
4 Operations and Administration
4.1 Memory Administration
4.1.1 PRI Access to SPCS
4.1.2 BGE Access to SPCS
4.2 Network Maintenance
4.2.1 Surveillance
4.3 Network Data Collection (NDC)
4.4 Network Traffic Management (NTM)
4.5 Charge Treatment Determination and Automatic
              Message Accounting
4.5.1 Special Treatment for Calls Involving CBCSS
              Access to IXC Services
4.5.2 Feature Interactions
Appendix A: Data Dictionary for CBCSS Access to IXC Services
A.1 Scope and Definition
A.2 Allowed Data Values
A.3 Data Dictionary
A.4 Data Example
A.4.1 Overview of AFR
A.4.2 Customer Patterns
A.4.3 Customer Pattern Groups
A.4.4 Customer Schedule
Appendix B: DSS1 Network-Specific Facilities Information
              Element (NSF)
B.1 Scope and Definition
B.2 Coding of Network-Specific Facilities
              Information Element
Appendix C: ISDNUP Network-Specific Facilities Information
              Element (NSF)
C.1 Scope and Definition
C.2 Coding of ISDNUP Network-Specific Facilities
              Parameter
Appendix D: Message Sequence Diagrams
D.1 Introduction
D.2 Message Sequences
References
Glossary
List of Figures
Figure 1-1 CBCSS Architecture Configuration
Figure D-1 Origination from Class II Equipment
Figure D-2 Originating ISDN BGE
Figure D-3 Originating Class II Equipment, AT is Utilized
              in the Routing
Figure D-4 Termination to Class II Equipment