VOLTE Explained

Course Fee : 2300 GBP Start Date : Sep 24, 2017 - End Date : Sep 27, 2017 | Location : London, UK

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


CourseDuration: 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) 
 
2. 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
 
4. 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
 
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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