VoLTE Workshop
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
- Introduction to voice services
- VoLTE concept
- VoLTE drivers
- Benefits
- VoLTE Evolution
- Requirements of VoLTE
- VoLTE Standardization: GSMA IR.92
- Voice over LTE via GAN (VoLGA)
2. LTE and IMS Network Architecture
- LTE Access Network
- VoLTE Service Description
- IMS Architecture & Components
- Application & Control Layers
- Access and Transport Layers
- IMS Entities
3. VoLTE Architecture
- VoLTE Architecture
- VoLTE Entities Description
- VoLTE Interface Description
- VoLTE UE (User Equipment)
Day 2
4. VoLTE and IMS Procedures and Protocols
- VoLTE and IMS Procedures
- VoLTE and IMS Protocols
- LTE UE Perspective
- Real-time Transport Protocol (RTP)
- RTP Control Protocol (RTCP)
- Session Initiation Protocol (SIP)
5.LTE-EPC Network Architecture and Protocols
- PDN Connectivity
- NAS Signaling
- Bearer Setup
- QoS in VoLTE
- VoLTE PDN Connection
- PCRF and VoLTE service policy
Day 3
6. VoLTE Procedure
- Subscription & device configuration
- EPS Attach and Default Bearer activation
- IMS SIP & SDP for VoLTE
- IMS Registration
- IMS VoIP Session
- VoLTE codecs
- Voice Continuity (SRVCC)
- E2E Call flow scenarios
- VoLTE emergency session
- VoLTE Messaging
- VoLTE Supplementary Services
- CS Fallback
7. VoLTE Features
- Semi Persistent Scheduling
- Power Control.
- Robust Header Compression ROCH
- TTI Bundling
- RLC Segmentation
- Inter-eNodeB Uplink coordinated multipoint reception UL CoMP
- SRVCC
Day 4
8. VoLTE Optimization
- VoLTE Counters & KPIs
- VoLTE Accessibility Troubleshooting
- VoLTE Drop Call Troubleshooting
- VoLTE Mobility Troubleshooting
- SRVCC Troubleshooting
- Voice Quality Troubleshooting
- Exercises
Day 5
8. VoLTE Optimization
- VoLTE Counters & KPIs
- VoLTE Accessibility Troubleshooting
- VoLTE Drop Call Troubleshooting
- VoLTE Mobility Troubleshooting
- SRVCC Troubleshooting
- Voice Quality Troubleshooting
- Exercises