TR TSY 000856 : ISSUE 1 REV 1
Current
The latest, up-to-date edition.
ISDN HOLD CAPABILITY FOR MANAGING MULTIPLE INDEPENDENT CALLS
12-01-2013
1 INTRODUCTION
1.1 Definition
1.2 Background
1.3 High-Level Feature Description
2 USER PERSPECTIVE
2.1 Controlling Party
2.2 Other Parties
3 FEATURE REQUIREMENTS
3.1 Feature Operations
3.1.1 MAIN FEATURE OPERATIONS
3.1.1.1 Holding A Call
3.1.1.2 Retrieving A Call From Hold
3.1.1.3 B-Channel Reservation Procedures
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 LINE DIAGRAMS
5 GLOSSARY
6 REFERENCES
LIST OF FIGURES
Figure 1 Network To User INFOrmation Message
Figure 2 User To Network INFOrmation Message
Figure 3 Network To User Call Clearing Message
Figure 4 User To Network HOLD Message
Figure 5 Network To User HOLD ACKnowledge Message
Figure 6 Network To User HOLD REJect Message
Figure 7 NOTIFY Message
Figure 8 RETrieve Message
Figure 9 RETrieve ACKnowledge Message
Figure 10 RETrieve REJect Message
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