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Dual Phone


The project is related to a new Deutsche Telekom hybrid product called Dual Phone - a device combining both Mobile (GSM) and Fixed line (ISDN) features provided as a combined result of two DT subsidiaries: T-Online and T-Mobile. Several libraries of web services were developed:

  • BSI-IF – Standard Service Interface – T-Online providing services as Mobile Service Provider
  • MNP-IF – Mobile Number Portability Interface
  • SimManager-IF - SimCard Management Interface for delivery, status management and support of logistics processes.

Platforms: UNIX/Windows, Oracle, BEA WebLogic, EJB
Client:  T-Systems
Partner:  T-Systems


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