GR 1143 CORE : ISSUE 1

1. Introduction to GR-1143-CORE
2. Network Plan
    2.1 General
    2.2 System Placement
          2.2.1 Arrangements
                  2.2.1.1 Stand-Alone Arrangement
                  2.2.1.2 Combined Arrangement
          2.2.2 Access
          2.2.3 Interfaces
                  2.2.3.1 Voice Interfaces
                  2.2.3.2 Data Interfaces
                  2.2.3.3 Local Applications
          2.2.4 Operations Systems
          2.2.5 Remote Operator System (ROS)
          2.2.6 Subsystems
    2.3 Remote Operator System (ROS)
          2.3.1 General
          2.3.2 ROS Capabilities
    2.4 System Interflow
          2.4.1 Night Closedown
          2.4.2 Dynamic Interflow
3. System Architecture
    3.1 General
    3.2 Additional Tandem Capabilities
          3.2.1 Call Processing and Routing
          3.2.2 Transparency
4. Features
    4.1 Feature List and Functional Guide
    4.2 Feature Definitions
          4.2.1 Common Functions (FSD 65-01-0100), GR-1173-CORE
          4.2.2 Terminating Inward Services (FSD 65-01-0200),
                  GR-2959-CORE
          4.2.3 Customer Access Features (70 Series). TR-NWT-001174
          4.2.4 Customer Listing Information (75 Series),
                  GR-1175-CORE
          4.2.5 Custom Call-Handling Features (80 Series),
                  TR-NWT-001176
          4.2.6 Special Billing Features (85 Series)
                  -GR-1177-CORE
     4.3 Feature Index
     4.4 Common Capabilities Feature Descriptions
5. Call Processing
     5.1 General
     5.2 Call Treatments
     5.3 Internal Call-Processing Functions
          5.3.1 General
          5.3.2 Call Receipt
                   5.3.2.1 General
                   5.3.2.2 Initial Seizure
                   5.3.2.3 Reconnects
          5.3.3 Determining IntraLATA, InterLATA, or International
                   Designation
          5.3.4 Determining Queing Category
                   5.3.4.1 General
                   5.3.4.2 Queing Category
     5.4 Call Queing and Distribution
          5.4.1 Attendant Teams
          5.4.2 Equipment Teams
          5.4.3 Treatment of Waiting Callers
          5.4.4 Service Objectives
          5.4.5 Performance Considerations
          5.4.6 Selection of the Request To Serve Next
     5.5 Additional System Capabilities
          5.5.1 SS7 Queries and Responses
          5.5.2 Treatment of Announcements
          5.5.3 Treatment of Detections
          5.5.4 Automatic Route Selection
          5.5.5 Operator-Dialed Codes
          5.5.6 Busy Line Verification Processing
          5.5.7 System Security
          5.5.8 Multiport Bridges
          5.5.9 Provision of Tones
          5.5.10 Call Disconnect Procedures
          5.5.11 Direct Customer Access
                   5.5.11.1 Real-Time Rating
References
Glossary

Gives a description of the operator services network plan and system architecture. Also described and indexed are features that are available in FR-271, Operator Services System Generic Requirements (OSSGR) and gives basic call processing requirements of the operator services system.