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ARU - Audio Response Unit

An Audio Response Unit is an output device that provides a spoken response to digital inquiries from a telephone or other device. For example, Press 1 to hear this information again; Press 2 to hear more options. It is also known by the generic name audiotex.

NetX

  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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