Thomas Hain is a seasoned Network Design Engineer with extensive experience at o2 Germany, where responsibilities include senior core network design, voice services, and technical leadership in VoLTE services since July 1998. Key achievements encompass the design and introduction of mobile voice services, CMFB, and circuit-switched core migrations, along with vendor relations and budget planning. Prior experience at T-Mobile as an IN Service Design Engineer involved the creation of specifications and implementation of IN services. Thomas Hain holds a Diplom Ingenieur in Telecommunications from the Technical University of Munich.
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