Guidelines for Implementing a Signalling System No. 7 Network
TABLE OF CONTENTS
PREFACE
CHAPTER I – INTRODUCTION
1 Purpose and scope of Handbook
2 Advantages and objectives of a common channel signalling system
2.1 Channel associated signalling systems
2.2 Common channel signalling
3 Overview of Signalling System No. 7
3.1 Objectives and fields of application
3.2 Signalling System No. 7 network
3.3 Signalling System No. 7 protocol architecture
3.4 Operation, Administration and Maintenance (OA&M)
4 CCITT Recommendations concerning Signalling System No. 7
CHAPTER II – EVALUATION CRITERIA FOR THE DECISION TO INTRODUCE SIGNALLING SYSTEM No. 7
1 Overall network evolution
1.1 Switching systems
1.2 Transmission systems
1.3 Integration of digital transmission with digital switching
2 Signalling systems
2.1 Developments in inter-exchange signalling systems
2.2 Interworking with existing signalling systems
2.3 Examples of cost savings when introducing SS No. 7
3 Choice between TUP and ISUP
3.1 Strategic guidelines
3.2 Existing and planned basic and supplementary services
4 Additional network evaluation criteria
4.1 Traffic and network performance issues
4.2 Rural communications
CHAPTER III – GUIDELINES FOR SS No. 7 NETWORK DESIGN AND DIMENSIONING
1 Signalling network performance requirements
1.1 Number of signalling points in the HSRC
1.2 Number of STPs in the HSRC
1.3 Signalling delays
1.4 Signalling network availability
1.5 Loading potential
2 Signalling network design
2.1 Signalling modes
2.2 Signalling network structures
2.3 Influence of transmission means
2.4 Signalling routing rules
3 Signalling network dimensioning
3.1 Approximate calculation of the SS No. 7 traffic load
3.2 STP dimensioning criteria
4 Conclusion
CHAPTER IV – GUIDELINES FOR THE CONTENTS OF AN INVITATION TO TENDER FOR SS No. 7
1 Guidelines for the SS No. 7 technical choices in the tender
1.1 Part of the tender related to MTP
1.2 Part of the tender related to TUP
1.3 Part of the tender related to ISUP
2 Guidelines for the SS No. 7 technical interworking adaptations in the tender
2.1 Identification of the interworking cases in relation with the hierarchical location of the exchanges
2.2 Interworking schemes related to different types of calls
2.3 Relationship between the signalling information received and the signalling information to be sent
2.4 TUP specifics due to interworking
3 Staff and training
3.1 Training needs
3.2 Staff needs
CHAPTER V – IMPLEMENTATION OF SIGNALLING SYSTEM No. 7
1 Implementation planning
1.1 Selection of an implementation strategy
1.2 Network implementation planning
1.3 Network implementation planning for rural areas
1.4 Prevention of unauthorized and malicious use of the SS No. 7 network
2 Validation and compatibility testing
2.1 The needs on site
2.2 The tests on site
3 Field trials
3.1 Practical implementation
3.2 Simple field trials
3.3 Extended field trials
4 Computer aided network planning and dimensioning
4.1 Signalling System No. 7 network planning problems
4.2 Problems solvable by planning tools
4.3 Summary
CHAPTER VI – OPERATION, ADMINISTRATION AND MAINTENANCE (OA&M) OF THE SS No. 7 NETWORK
1 OA&M aspects of SS No. 7 networks
1.1 Performance monitoring
1.2 Grouping of measurements
1.3 Listing of measurements
1.4 Uses of the results of monitoring and measurements
1.5 Method of traffic measurement
1.6 Method of measuring message transfer times
2 Operation, maintenance tools and procedures
2.1 Operation and maintenance tools
2.2 Testing procedures
3 Network expansion
3.1 General rules for the installation of additional signalling points to the existing SS No. 7 network
3.2 Network expansion procedures
3.3 General rules for the changing of routing tables
3.4 Tests after completion of network expansion
4 Introduction of additional service/user parts
4.1 TUP
4.2 ISUP
4.3 Changing from TUP to ISUP
CHAPTER VII – FUTURE ASPECTS OF SIGNALLING SYSTEM No. 7 IMPLEMENTATION
1 Overview of ongoing developments
1.1 Integrated Services User Part (ISUP)
1.2 Development of the Signalling Connection Control Part (SCCP)
1.3 Transaction Capabilities (TC)
1.4 Mobile Application Part (MAP)
1.5 ISDN Signalling Control Part (ISCP)
2 Operations, Administration and Maintenance (OA&M) aspects
2.1 Operations, Maintenance and Administrative Part (OMAP) and testing user parts
2.2 Telecommunications Managed Networks (TMN) aspects
2.3 Operation and Maintenance Centre (OMC)
3 Intelligent Networks (INs)
CHAPTER VIII – CONCLUSION
1 When should Signalling System No. 7 be adopted/implemented
2 Flexibility associated with SS No. 7
3 Range of applications of SS No. 7
ANNEX A – CCITT Recommendations of the Q.700-series
ANNEX B – Glossary of terms used
1 Definitions and Abbreviations contained in other CCITT Publications
2 Definitions and Abbreviations not contained in other CCITT Publications
3 Abbreviations