GR 2857 CORE : ISSUE 3

1. Introduction
    1.1 Purpose and Scope
    1.2 Relationship To Other Documents
    1.3 Requirements Terminology
    1.4 Requirement Labeling Conventions
    1.5 Document Organization
    1.6 Release To Pivot Basic Terminology
    1.7 Background
    1.8 High-Level Description
    1.9 Changes from GR-2857-CORE Issue 1 to Issue 2
2. User Perspective
3. Feature Requirements
    3.1 Feature Operations
    3.2 Administration
    3.3 Error Procedures
Appendix A : Example Interface Between RTP and RTP-Capable Services
    A.1 RTP-Capable Switch Components
    A.2 The Information Flow between Components
    A.3 A Typical RTP-Capable Service
Requirement-Object List
References
Glossary
List of Figures
1-1. Forward Routing
1-2. RTP Call Processing
3-1. ISDNUP Messages from Pivot Initial Call Processing Procedures
3-2. ISDNUP Messages from Pivot Subsequent Call Processing,
      IAM+CP Previously Received Procedures
3-3. ISDNUP Messages from Pivot Subsequent Call Processing,
      IAM+CP Not Previously Received Procedures
3-4. ISDNUP Messages Sent From Release Call Processing Procedures
3-5. RTP Call Type Screening
3-6. Pivot Call Type Screening
3-7. Pivot Subsequent Call Processing
3-8. Release Call Processing
A-1. A Model of an RTP-Capable Switch
A-2. A Model for an RTP-Capable Service
A-3. The Input Section
A-4. Determining if a Previous Switch is Pivot Active
A-5. The Output Section

Provides Bellcores view of proposed generic requirements for the use of Integrated Services Digital Network User Part (ISDNUP) of SS7 by a Stored Program Controlled Switching System (SPCS) to support the Release To Pivot (RTP) network routing capability.