Voice Over LTE (VoLTE) Troubleshooting and Performance Workshop

Why Take This Course?

• Enhance your industry knowledge and skills by gaining a greater understanding of VoLTE Troubleshooting and Performance.
• Train with engineers at Qualcomm Technologies – a world leader in 5G technology and wireless engineering.
• Participate in a professional development opportunity you can display on your resume/CV and LinkedIn profile.

Course Outline:

• An experiential workshop to give you a greater understanding of VoLTE troubleshooting and performance
  
• VoLTE functionality and performance
• Performance improvements and troubleshooting through detailed analysis of case studies
• The initial LTE attach, IMS registration, and end-to-end procedure of a VoLTE call setup
• In-call performance and troubleshooting
• IMS re-registration and IMS de-registration
• VoLTE Supplementary Services and VoLTE-related RAN features
• Supporting call flows and log analysis for all scenarios
• VoLTE Key Performance Indicators (KPIs) and LTE performance considerations
• Concepts and procedures of intra-LTE and inter-RAT handover (Single Radio Voice Call Continuity, SRVCC) during a VoLTE call
• Call drop analysis and VoLTE emergency calls
• Log files for all cases
• LTE case studies with impact on VoLTE performance

Prerequisites:

• You have taken or are familiar with the content in our VoLTE Technical Training course.
• You have at least some LTE and Air Interface technical background.

Objectives:

• Summarize the options available to support voice over LTE.
• Outline the VoLTE-capable UE’s LTE NW registration/attach procedure and default bearer establishment procedure.
• Identify the UE capabilities related to VoLTE and SRVCC, including FGI (Feature Group Indicator) bits.
• Explain IMS registration and re-registration procedures using log analysis.
• Describe M2M VoLTE call setup procedure including MO and MT scenarios.
• Explain Preconditions with the help of case studies.
• Identify VoLTE user plane and control plane Key Performance Indicators (KPIs).
• Describe LTE performance considerations and LTE performance case studies related to VoLTE.
• Analyze logs of VoLTE call termination and IMS de-registration.
• Discuss supplementary services (call hold and call waiting scenarios).
• Present operation and log analysis of VoLTE-related RAN features: C-DRX, RoHC, TTI Bundling, and SPS.
• Discuss Intra-LTE handover troubleshooting process for VoLTE calls.
• Outline the high-level troubleshooting framework for call drop debugging, using case studies.
• Analyze SRVCC functionality and performance using success and failure logs.
• Describe IMS emergency operation using call flows and log snippets.