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  • 1
    Online-Ressource
    Online-Ressource
    Chichester, West Sussex, U.K. ; : John Wiley,
    UID:
    almafu_9959328026202883
    Umfang: 1 online resource (xxxv, 304 pages : , illustrations
    ISBN: 9780470682623 , 0470682620 , 9780470684283 , 0470684283 , 1282316842 , 9781282316843
    Anmerkung: Cover -- Contents -- Preface -- BY THE SAME AUTHOR -- Abbreviations and Acronyms -- 1: Virtual Roaming Purpose and Principles -- 1.1 Mobile Services Affected by Virtual Roaming -- 1.2 Virtual Roaming Hub for Inbound Visitors Service (Single IMSI) -- 1.3 Virtual Roaming Hub for Outbound Subscribers: Multi-IMSI -- 1.4 Brief Introduction to Standard Bilateral Roaming Procedures -- 1.5 Principles of the SS7 Protocol Layers Used in Roaming Procedures -- 2: Architecture of Virtual Roaming Systems -- 2.1 SCCP, MAP, CAP and GTP Transformation Principle in the Roaming Hub -- 2.2 Procedures for the Virtual Roaming Visitors Service (Single IMSI) -- 2.3 Restriction of Virtual Roaming by the Roaming Hub -- 2.4 Procedures for the Virtual Roaming Visitors Service (Multi-IMSI) -- 2.5 IS 41 〈-〉 MAP GSM Inter-standard Roaming Hubs -- 2.6 Various MAP and CAMEL Transformation Methods -- 2.7 Appendix of Chapter 2 -- References and Further Reading -- 3: Connecting the VPLMN MNOs to a Virtual Roaming Supplier -- 3.1 MNO Configuration vs Roaming Hub Supplier Configuration -- 3.2 Connection to the Roaming Hub Service, MNO Point of View: Using the Alias GT Method -- 3.3 Details of E212 -〉E214 MNO Configuration with the GT Translation Methods -- 3.4 Connection to the Roaming Hub Service, MNO Point of View: Using the MTP Transparent Tunnelling Method -- 3.5 Roaming Hub Supplier Point of View: Different Modes of Connection of the MNO Clients -- 3.6 Implementation of a Roaming Hub with Several Point Codes -- 3.7 SS7 Stack Architecture for a Robust Integrated System with Several Point Codes -- 3.8 SIGTRAN Introduction and Practical Configuration -- 3.9 Standard MTP3 Load Distribution Algorithm -- 3.10 SCCP Class 1 (Sequenced Connectionless Protocol) -- References and Further Reading -- 4: Networks of Roaming Hubs and SMSeXchanges -- 4.1 Cooperation of Several Roaming Hubs -- 4.2 Problem Raised by Mobile Number Portability (MNP) -- 4.3 Use of the TCAP Dialogue Part to Provide an End-To-End Routing Capability -- References and Further Reading -- 5: Hosted Roaming Hubs with Virtual GTs -- 5.1 Purpose -- 5.2 TCAP Dialogue Implementation Constraints -- References and Further Reading -- 6: Location-based Services and Virtual Roaming -- 6.1 Traces Show How an SMLC Really Works -- 6.2 Spyware Measurements in the Handset -- 6.3 Network MAP-based Location Obtaining Methods: Prerequisites -- 6.4 Simple BSS-based SMLC Architecture Using the Mobile TA and Measurements -- 6.5 Details of a More Accurate Positioning Method: A-GPS -- 6.6 The Enhanced Time Difference (E-OTD) Method: Hyperbola Intersections -- 6.7 Annex: Execution of the Algorithm for Position Computation with the Measurement Reports or E-OTD -- References and Further Reading -- 7: Roaming Costs or Inter-operator Traffic Charge Suppression Systems, and Other Service Improvements -- 7.1 VMS Anti-tromboning: Large Financial Savings in GSM and UMTS -- 7.2 Call Back and Local Calls Optimization -- 7.3 Dialled Number Correction with CAMEL -- References and Further Reading -- 8: SIM Cards Over The Air Provisioning -- 8.1 Principles of SIM OTA Using SMS: Download and Upload -- 8.2 OTA SIM Provisioning Interface Examples -- 8.3 Coding the Binary Payload to Download (Write) and Upload (Read) Files of the SIM Card (Access with Remote File Manager) -- 8.4 Coding the Binary Payload to Download (Write) and Upload (Read) Data of the S.
    Sprache: Englisch
    Schlagwort(e): Electronic resource. ; Electronic books. ; Electronic resource. ; Electronic books. ; Electronic resource. ; Electronic books.
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