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      Description:

      This workshop is designed to provide a full knowledge of VoLTE that will allow the learner to have a deep understanding of all VoLTE aspects. 

      This workshop cover the VoLTE network architecture end to end (E-UTRAN, EPC and IMS), protocols, air interface and capacity design, features, VoLTE QoS, end to end signaling and a deep VoLTE troubleshooting, performance and voice quality.

      This workshop valuing knowledge acquired through exercises, case studies and the analysis of traces .

      Objectives:

      By Completing this workshop, the learner will be able to:

      - Discuss VoLTE  concept, drivers and benefits compared to GSM and UMTS voice services.

      - Describe VoLTE and IMS networks architectures, protocols and procedures.

      - Describe VoLTE features and theirs impact on network performance.

      - Describe VoLTE parameters and counters.

      - Define VoLTE strategies for different scenarios.

      - Troubleshoot VoLTE performance and voice quality  issues.


  • Day 1

    1. VoLTE Overview

    1. Introduction to voice services
    2. VoLTE concept
    3. VoLTE drivers
    4. Benefits
    5. VoLTE Evolution
    6. Requirements of VoLTE
    7. VoLTE Standardization: GSMA IR.92
    8. Voice over LTE via GAN (VoLGA)

    2. LTE and IMS Network Architecture

    1. LTE Access Network
    2. VoLTE Service Description
    3. IMS Architecture & Components
    4. Application & Control Layers
    5. Access and Transport Layers
    6. IMS Entities

    3. VoLTE Architecture

    1. VoLTE Architecture
    2. VoLTE Entities Description
    3. VoLTE Interface Description
    4. VoLTE UE (User Equipment)

  • Day 2

    4. VoLTE and IMS Procedures and Protocols

    1. VoLTE and IMS Procedures
    2. VoLTE and IMS Protocols
    3. LTE UE Perspective
    4. Real-time Transport Protocol (RTP)
    5. RTP Control Protocol (RTCP)
    6. Session Initiation Protocol (SIP)

    5.LTE-EPC Network Architecture and Protocols

    1. PDN Connectivity
    2. NAS Signaling
    3. Bearer Setup
    4. QoS in VoLTE
    5. VoLTE PDN Connection
    6. PCRF and VoLTE service policy

  • Day 3

    6. VoLTE Procedure

    1. Subscription & device configuration
    2. EPS Attach and Default Bearer activation
    3. IMS SIP & SDP for VoLTE
    4. IMS Registration
    5. IMS VoIP Session
    6. VoLTE codecs
    7. Voice Continuity (SRVCC)
    8. E2E Call flow scenarios
    9. VoLTE emergency session
    10. VoLTE Messaging
    11. VoLTE Supplementary Services
    12. CS Fallback

    7. VoLTE Features

    1. Semi Persistent Scheduling
    2. Power Control.
    3. Robust Header Compression ROCH
    4. TTI Bundling
    5. RLC Segmentation
    6. Inter-eNodeB Uplink coordinated multipoint reception UL CoMP
    7. SRVCC

  • Day 4

    8. VoLTE Optimization

    1. VoLTE Counters & KPIs
    2. VoLTE Accessibility Troubleshooting
    3. VoLTE Drop Call Troubleshooting
    4. VoLTE Mobility Troubleshooting
    5. SRVCC Troubleshooting
    6. Voice Quality Troubleshooting
    7. Exercises

  • Day 5

    8. VoLTE Optimization

    1. VoLTE Counters & KPIs
    2. VoLTE Accessibility Troubleshooting
    3. VoLTE Drop Call Troubleshooting
    4. VoLTE Mobility Troubleshooting
    5. SRVCC Troubleshooting
    6. Voice Quality Troubleshooting
    7. Exercises