Call Steering—Omni-channel customer engagement success stories

T-Mobile Germany's award winning call center application

Natural language understanding technology increases customer satisfaction and effciencies

Company profile

T-Mobile International (T-Mobile), a world leader in mobile communications and one of Deutsche Telekom’s three strategic business units, started out in 1993 as T-Mobile Germany GmbH, an independent trading company. T-Mobile International was established in 1999, and since that time, the company has grown to become one of the largest international mobile communications carriers and one of the most successful mobile phone operators in Europe.

Download success story View all success stories

Deutsche Telekom uses Nuance Natural Language Understanding

We are committed to thinking and acting with a strong orientation toward service and segments, offering our customers state-of-the-art products and services. By using Nuance’s innovative speech technologies to create a call center application that is fast, accurate and reliable, we are experiencing an increased self-service success rate.

Klaus Dieter Liedtke
Head of the Mobilbox Department
T-Mobile Deutschland GmbH


  • DTMF and single-word recognition phone application did not reach the level of service expected or deserved.
  • Cumbersome self-service resulted in many callers opting out of self‑service


  • Natural Language Understanding (NLU) self‑service application for simplified navigation
  • Fully automates over 400 business processes
  • "Guided Tour" provides introduction to self‑service application


  • €10 million savings per year
  • Over 75% increase in automation
  • Successful automation of more than 36 million calls per year (100,000 per day)
  • High levels of customer satisfaction


Learn how Nuance can help
differentiate your business with omni‑channel customer engagement solutions powered by AI.