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VOLTE Explained

Start Date : April 09, 2019 | Location : India, USA, UK, Brazil

Target Audience

Volte coaching 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. Premcell Volte training institute offers one of the best Volte course with Volte certification.Volte tutorial is designed with latest technolgy for Volte classes
 
Training Objective
                              
• Describe VoLTE Solution and Architecture
• Discuss EPS Overview and Network Elements
• Describe IMS Architecture and network Elements
• Describe PCC Architecture and elements and  QoS in VoLTE
• Describe VoLTE Protocols
• Describe VoLTE Subscriber Authentication ,Access and Registration
• Discuss MMTel and VoLTE call management
• Single Radio Voice Call Continuity
• Call flows
 
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. VoLTE introduction
 
  • VoLTE concept
  • VoLTE Drivers
  • LTE voice evolution from Cicruit switched
  • Voice Evolution 
  • 3GPP Release 8 Network Architecture
  • LTE Voice Solution Alternatives
  • VoLTE System Architecture
  • IP- CAN
  • Logical Components of VoLTE Solution
 
 
2. LTE/EPC Overview
 
  • LTE/SAE/EPC Network Architecture
  • LTE/EPC Overview
  • LTE/SAE/EPC Network Architecture\
  • Network nodes and roles of HSS,MME,S-GW,P-GW,PCRF
  • EPS bearers – Default & Dedicated
  • Basic EPS signalling procedures
  • Key Reference points: S1-C/U, S5/S8 S6, S10 and S11
  • LTE-HSS subscription
 
3. IMS Core network
 
  • IMS Core Architecture and Network elements
  • Numbering and addressing –IMPI,IMPU,SIP URI,TEL URI
  • IMS Interfaces and Protocols
  • CSCF-Proxy,Interogating,serving
  • HSS - Home subscriber server
  • DNS/ENUM
  • MGCF & IM-MGW
  • MRF-MRFC & MRFP
  • IMS Basic call Flow – MO/MT
  • Session Border Controller - SBC
 
4. Protocols in VoLTE 
 
  • SIP and SDP
  • Diameter
  • H.248 
  • RTP
  • NAS
 
5. VoLTE Access Procedures
 
  • PDN connection for IMS APN
  • EPC Authentication
  • Default EPS bearer setup
  • P-CSCF Discovery 
  • IMS authentication
  • AKAv2-MD5
 
6. QoS introduction in LTE-EPC
 
  • QoS mechanism in VoLTE
  • PCC architecture
  • PCRF, PCEF Interworking
  • Interfaces: Gx,Rx Use case
  • GBR  and Non-GBR for services 
  • Standardized QCIs for VOLTE
 
7. VoLTE Call flows
 
  • VoLTE to VoLTE
  • VoLTE to PLMN/PSTN
  • PSTN/PLMN to VoLTE
 
                                  
8. Application Server
 
  • Function of AS 
  • MMTEL Server
  • Example of MMTEl services
  • Role of RCS and MMTel
  • IP-SM-GW
  • IM-SSF
 
9. Charging 
 
  • Overview of VoLTE charging
  • Offline Charging
  • online charging
  • CDR's in VoLTE

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