Packet Switched Fallback (Data and Voice) Training

This half-day course introduces packet switched fallback for both data and voice, discusses network architecture and pre-requisites, looks at the different types of EPS fallback and enhancements, and reviews use cases. Read on to learn more.

people learning 5G together on a laptop

Why Take This Course?

  • Enhance your industry knowledge and skills by gaining a greater understanding of data and voice packet switched fallback.
  • 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:

  • Introduce Packet Switched Fallback for both data and voice.
  • Discuss network architecture and pre-requisites.
  • Look at the different types of EPS fallback and enhancements.
  • Reviews use cases.

 

Prerequisites:

  • You should take this course if you are at least one of the following:
    • Network Engineer
    • System Engineer
    • RF Engineer
  • You should also take this course if you have taken and/or fully understand the content in our 5G NR Technical Training and 5G NR SA Call Processing courses.
  • This course is part of our corporate program and requires an NDA for access.

 

Objectives:

  • Introduce 5G NR voice options, including VoLTE in NSA, VoNR, and EPS-FB.
  • Compare 4G and 5G voice solutions.
  • Define Single Registration vs Dual Registration.
  • Describe UE domain selection for Voice and SMS.
  • Highlight UE relevant UE capabilities description at RRC and NAS layer.
  • Explain IMS Registration Procedure and corresponding PDU Session Establishment Procedure.
  • Describe the EPS Fallback Types and release procedures.
  • Explain context transfer via N26 interface.
  • Introduce Paging Prioritization in 5GS.
  • Describe Fast Return mechanism after EPS call completion.
  • Describe EPSFB with direct EN-DC configuration.
  • Define Mobility Enhancements from 5G to LTE.
  • Highlight role of new voice codecs in providing immersive multimedia experience.
  • Discuss Emergency calls with EPS Fallback.
  • Illustrate inter-operator mobility scenario from 5GSA to 4G EPC.
  • Describe the two-step procedure for VoWiFi to EPS Fallback.
  • Discuss EPS Fallback reporting as a way of addressing the type of call for counters and KPI.
  • Introduce Video over 5GSA.

Course Information

Duration: 3-4 Hours
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