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TR TSY 000856 : ISSUE 1 REV 1

Current

Current

The latest, up-to-date edition.

ISDN HOLD CAPABILITY FOR MANAGING MULTIPLE INDEPENDENT CALLS

Published date

12-01-2013

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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

Bellcores proposed generic requirements for providing ISDN Hold Capability (I HC). I HC allows an ISDN user, while on any speech, 3.1kHz audio or circuit mode data call, to place the call on hold and make the B channel on the user's interface available for another call. After placing the call on hold, the user can retrieve the held call (resume the B channel connection for that call) or initiate clearing of the held call.

DocumentType
Standard
PublisherName
Telcordia Technologies
Status
Current

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