VOLTE Explained

Course Fee : 12000 INR Start Date : Aug 16, 2017 - End Date : Aug 19, 2017 | Location : Gurgaon,Haryana

COURSE DETAILS

Name                          

VoLTE Explained


Target Audience

This course is intended for someone who is working on LTE, GSM, Circuit switched /Packet switched products and who to learn earn VoLTE concepts, architecture,  Interfaces & Protocols, functions and Call procedures

Training Objective                               

  • Introduction to VoLTE
  • LTE/EPC Overview
  • IMS Core enablers- CSCF,MGCF,IM-MGW,HSS, AS,MRFC,MRFP,SBC
  • Signalling procedures
  • Protocols in VoLTE Ecosystem- SIP, Diameter,H.248
  • VoLTE Access procedures
  • QoS in LTE/EPC
  • VoLTE call management & interworking
  • IMS Services & SMS interworking
  • Charging

 

Duration of Training

4 Days

                                  

Prerequisite                            

  • Understanding of LTE, GSM – CS/PS
  • Understanding of SIP and IP protocol
  • Understanding of SS7/ SIGTRAN

 

COURSE MODULES

1.   Introduction Voice over LTE (VoLTE)

  • What is VoLTE?
  • VoLTE Drivers
  • LTE voice evolution—all-IP network
  • VoLTE Evolution
  • 3GPP Rel 8 Network Architecture
  • LTE Voice Solution Alternatives
  • Overview of CSFB, VoLGA, SRVCC and Voice over IMS
  • LTE Voice Technology Roadmap
  • VoLTE System Architecture
  • VoLTE Network Configuration with IMS
  • Logical Components of VoLTE Solution
  • Rich Communication Suite (RCS)
  • ICS(IMS Centralized services) 

 

LTE/EPC Overview

  • LTE/SAE/EPC Network Architecture
  • Network nodes and roles of HSS, MME, S-GW, P-GW, enhanced Packet Data Gateway (ePDG) and PCRF
  • Overview EPS
  • EPS network architecture and components(E-UTRAN,EPC-SAE)
  • EPS protocol stacks
  • EPS bearers – Default & Dedicated
  • Basic EPS signaling procedures
  • Key Reference points: S1-C/U, S5/S8 S6, S10 and S11
  • IP Multimedia Subsystem (IMS) Architecture
  • Home Subscriber Server (HSS)
  • Policy and Charging Rule Function (PCRF)
  • Overview of IMS Profile for Voice and SMS

 

3. IMS Essential

  • IMS network architecture
  • Role of CSCF, MGCF, IM-MGW, HSS, AS,MRFC,MRFP,SBC
  • User addressing in IMS
  • End-to-end signalling and traffic flow

 

  1. Protocols in VoLTE EcosystemSIP and SDP

    • Diameter
    • H.248 (Megaco)
    • RTP and RTCP

 

5. VoLTE Access Procedures

  • PDN connection for IMS APN
  • Default EPS bearer setup
  • P-CSCF Discovery 
  • SIP Registration 
  • IMS registration procedures
  • Overview of AKAv2-MD5
  • IMS authentication

 

6. QoS introduction in LTE-EPC

  • QoS in LTE-EPC
  • PCC architecture
  • PCRF, PCEF Interaction
  • Interfaces: Gx, Rx Use case
  • GBR  and Non-GBR for services in IMS
  • Standardized QCIs for LTE

 

7. VoLTE Call Management

  • Voice call setup in IMS
  • PCC Procedures
  • SIP/SDP message explained
  • Media Negotiations
  • Emergency calls in IMS

                                  

8. IMS Services and SMS Interworking

  • Service architecture and role of AS
  • MMTel /TAS Server
  • Example supplementary services
  • Role of RCS and MMTel
  • SMS Interworking
  •  SMS Delivery flow in IMS – MO/MT

 

  1.  9. Charging introduction
  • Overview of network nodes
  • Offline and online charging
  • Charging identifiers
  • Interfaces – Ro,Rf
  • ACR,CDR’s
  • Charging procedures
  • ACR’s

 

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