• Executive summary
  • Chapter 1 � Introduction and objectives of the ITU-T Study Group 3 (SG3) cost model project
    • 1.1 Introduction � Background and context
    • 1.2 The supply side begins to react against roaming
    • 1.3 The consumer is becoming more and more conscious of the penalties of roaming, raising a key question
    • 1.4 What deliverables are required?
  • Chapter 2 � Principles of telecommunications costing and the basis of the cost model
    • 2.1 Principles of telecommunications costing
      • 2.1.1 Retail tariffs
      • 2.1.2 MNO operational costs
    • 2.2 The key principles for the roaming model
      • 2.2.1 Business process modelling and MNO
      • 2.2.2 Use cases enable MNO-independent analysis
      • 2.2.3 Incremental cost modelling
      • 2.2.4 Long-term trends in roaming costs
      • 2.2.5 The physical basis for the model
      • 2.2.6 Market reality of retail tariff analysis complicated by tariff bundling
      • 2.2.7 Further practical cost issues
  • Chapter 3 � Benefits and limits of the cost model
    • 3.1 Benefits
    • 3.2 Limits of the model
    • 3.3 Further cost items that may be included to extend the model, when significant
  • Chapter 4 � Methodology: The cost model, with its mechanisms and assumptions
    • 4.1 Methodology
      • 4.1.1 Identify the business processes
      • 4.1.2 Construct the cost model
      • 4.1.3 Identification of data elements is the first step in the design of the cost model
      • 4.1.4 Gathering data required by use of questionnaire
    • 4.2 Mechanisms for calculation � Business process analysis
    • 4.3 Going from use cases to analysis of assets used in roaming to their costs
      • 4.3.1 Use cases for data roaming
      • 4.3.2 Use cases for SMS roaming
  • Chapter 5 � Using the cost model: Guidelines for NRAs, with data collection
    • 5.1 How to use the cost model
    • 5.2 Effective data gathering � Data collection process and interaction with MNOs
      • 5.2.1 Context
      • 5.2.2 Negotiations with MNOs � Dealing with roaming issues
      • 5.2.3 Interviews � Data collection process
      • 5.2.4 Organization of data from MNOs
      • 5.2.5 Standard format for final report
    • 5.3 Sample questionnaire for NRAs, for use with the cost model
  • Annex 1 � The regulatory situation in the EU
  • Annex 2 � User startup � A one-page summary
  • Annex 3 � A model questionnaire for gathering roaming data
  • Annex 4 � Example of spreadsheet used to gather data
  • Annex 5 � Example of parameters used to calculate MNO costs of roaming
  • Abbreviations
  • List of references, background, and further reading