1 INTRODUCTION
1.1 Definition
1.2 Background
1.2.1 PREREQUISITES
1.2.2 BASIC BUSINESS GROUP CONSTRUCTION
1.2.3 MULTISWITCH EXTENSION BASICS
1.2.4 ISDN TERMINAL ASSUMPTIONS
1.3 High-Level Feature Description
2 USER PERSPECTIVE
3 FEATURE REQUIREMENTS
3.1 Feature Operations
3.1.1 MAIN FEATURE OPERATIONS
3.1.1.1 The ISDN Basic Business Group Structure
3.1.2 OTHER FEATURE OPERATIONS
3.1.3 RELEASE TREATMENT
3.1.4 FEATURE OPERATION INTERWORKING
3.1.5 ERROR TREATMENT AND ABNORMAL EVENTS
3.2 Internal Call-Processing Controls
3.2.1 CLASS OF SERVICE/CONFIGURATION
3.2.2 CODE INTERPRETATION
3.2.3 SCREENING
3.2.4 ROUTING
3.2.5 CHARGE TREATMENT DETERMINATION
3.2.6 OVERLOAD
3.3 Signaling/Message Structure
3.3.1 CUSTOMER SIGNALING/USER-NETWORK INTERFACE
3.3.2 SS7 INTERFACE SIGNALING
3.3.3 INTERWORKING WITH OTHER SIGNALING SYSTEMS
3.3.4 OPERATOR SERVICE SIGNALING
3.4 Administration
3.4.1 SERVICE CHANGES/SUBSCRIPTION PARAMETERS
3.4.2 TRAFFIC MEASUREMENTS
3.4.3 MAINTENANCE MEASUREMENTS
3.4.4 BILLING AND COMPTROLLER
3.5 Interactions
3.6 Limitations And Restrictions
3.7 Timing And Tolerances
4 GLOSSARY
5 REFERENCES