VoNR Technical Training

Voice over New Radio (VoNR) offers connection to IMS and available services such as voice, video, and RCS in 5G standalone networks. This half-day course introduces voice services on 5G Standalone Networks; discusses network architecture, call flows, and mobility scenarios; and compares with alternative voice options such as EPS FB.

5G engineer in front of cell towers at sunset

Why Take This Course?

  • Enhance your industry knowledge and skills by gaining a greater understanding of VoNR.
  • Train with engineers at Qualcomm Technologies – a world leader in 5G technology and wireless engineering.
  • Learn online and at your own pace with our flexible eLearning format. Or, set up a live training session for groups of at least 15 people.


Course Outline:

  • Gain an understanding of VoNR Architecture, call flow procedures, mobility scenarios, and enhancements related to voice options in 5G NR.
  • Introduce voice services on 5G Standalone Networks.
  • Discuss network architecture, call flows, and mobility scenarios.
  • Compare with alternative voice options such as EPS FB.



  • You should take this course if you are at least one of the following:
    • Network Engineer
    • System Engineers
    • Manager
  • This course is part of our corporate program and requires an NDA for access.



  • Introduce voice options in NR.
  • Describe VoNR architecture options.
  • Compare and contrast VoNR with VoLTE.
  • Describe protocol layers for VoNR.
  • Introduce 5G NR Voice (VoNR) QoS.
  • Discuss similarities between VoNR and VoLTE.
  • Describe QoS Implementation on 5G NR.
  • Discuss main 5G feature to improve VoNR performance.
  • Discuss Voice Domain selection and Registration procedures.
  • Describe VoNR MO/MT call process.
  • Compare VoNR call EPS FB call scenarios.
  • Discuss SMS call procedures.
  • Describe Emergency call over NR.
  • Describe VoNR mobility scenarios.
  • Discuss Intra NR mobility for VoNR.
  • Describe the interworking architecture with EPC.
  • Outline mobility options in idle and connected modes.
  • Explain VoNR to VoLTE and VoLTE to VoNR HO procedures.
  • Review Redirection and Reselection to 5G.
  • Describe 5G SRVCC architecture and related voice services.
  • Discuss VoWi-Fi services and mobility aspects.
  • Discuss enhancements related to media (such as rate adaptation and delay budget reporting).
  • Explore deployment considerations: C-DRX, Spectrum, and coverage enhancements.

Course Information

Duration: 6-8 Hours
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