Telekom Austria

Telekom AustriaCellconsult supported Telekom Austria with the introduction of the new Billing-System "MaxBill" (Phase 1) from November 2002 until April 2004. Among our tasks were the conception, preparation & execution of the integration & acceptance test. In addition we were responsible for the installation and maintenance of requirement-management and test-tools. These programs were enhanced and their functionality extended by our own developments in the course of the project.

The following services were rendered by Cellconsult during the project (in extracts):


  • Installation and administration of Rational "RequisitePro" for the collection of requirements
  • Installation and administration of the error management system Rational "ClearQuest"
  • Installation and administration of the Rational "Testsuite"

Test Data Generation

  • Generation of test data for rating and billing and for all external interfaces
  • Development of scripts for the data generation tools in particular for the generation of test customers for "MaxCare" tests

Test conception, design and test execution

  • Development of a test-concept based on Use Cases for the acceptance tests of the delivered MaxBill components ("MaxAdmin", "MaxCare", "MaxGen", "MaxRate", as well as the product catalogue and all related interfaces)
  • Creation of Use Cases based on delivered DFS, ATP and ATS. Development of test scenarios and related test scripts. In total over 840 Use Cases, 3,000 Business Objects, 6,200 Validation rules &  constraints and 53 Actors were identified for the following acceptance test
  • Conception and design matching of the Error Management System for ClearQuest
  • Organization of training
  • Organization of DFS-Review workshops including analysis and amendment of requirements and specifications
  • Execution of "sanity tests" for delivered test environments
  • Supervision of development processes and attendance at the supplier's system test
  • Version- & Change Management for deliveries (programs, scripts, data and bug-fixes)
  • Review of DFS documents
  • Execution of End-to-end test for the areas of (in extracts)
    *  Billing Configuration
    *  Customer Hierarchy
    *  Customer Management
    *  Invoice Interface
    *  IT Processing
    *  ORAK Processing
    *  Order Management
    *  Provisioning
    *  SAP Interfaces
    *  Security Level Management
    *  Product Catalogue
  • Development of a "product catalogue mimikry application" to check all product catalogue relevant combinations in the area of order management
  • Creation of automated check routines and scripts for the validation of "Papyrus" invoice files
  • Support of Business Acceptance Tests (Know-how, test data etc.)
  • Creation of error reports
  • Error classification and error tracking
  • Execution of regression tests
  • Preparation of system acceptance decision
  • Single Point of contact for the supplier for the tracking of errors. Support of the supplier in identifying and localizing errors to enhance software quality.
  • Archiving and administration of test specific data like test usage, test results, error logs and error reports
  • Delivery of all test data, applications etc. to Telekom Austria after the successful beginning of operation of "MaxBill" Phase 1