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Essential Voice over LTE  |    A 3 day training course

Essential Voice over LTE training course description

This course is designed to give the delegate a grounding in the options for voice traffic within an LTE network. We look at and describe the various options available including, CSFB, VoLTE and voice call continuity in LTE.

The course will be enhanced with call flow and SIP session examples. We will also investigate the full working of Session Initiation Protocol (SIP) and the IP Multimedia Subsystem (IMS), together with Private & Public Addressing. .

What will you learn
  • Describe methods of supporting voice with 4G LTE
  • Describe the EPC core network and procedures
  • Recognise the QoS requirements in LTE
  • Describe the IMS structure and control entities
  • Describe the policy and charging rules function
  • Explain the content of the HSS
  • Describe the default EPS bearer setup
  • Recognise the role of dedicated EPS bearers
  • Understand IMS Service Identity Modules
  • Explain private and public User Identities
  • Explain an IMS session
  • Describe Circuit Switched fallback procedures
  • Describe VoLTE radio performance
Essential Voice over LTE training course details

Essential Voice over LTE training course contents

    LTE architecture
    eNB
    MME
    SGW
    PGW
    HSS
    PCRF

    Bearer concepts and QoS
    Radio functionality
    Bearers and schedulers
    Mobility
    Circuit Switched fall back handove
    Mobility from 2G/3G back to LTE
    Power saving features
    Positioning services
    UE radio access capabilities for VoLTE users
    EPC functionalities
    LTE Subscriber Identification
    PDN connectivity establishment
    EPS dedicated bearer setup
    IMS Identification
    IP multimedia identification
    Module
    Public User Identity
    Private User Identity

    SIP and SDP protocols
    SIP requests
    SIP responses
    Exploring the content of the SDP message
    The Offer/Answer
    Process
    Dialogues and sessions
    Managing QoS
    RTP/RTCP

    VoLTE end-to-end signalling
    VoLTE subscription and device configuration
    EPS attach for CSFB/IMS VoIP and default
    bearer IMS registration
    Constructing the REGISTER request
    From the UE to the P-CSCF
    From the P-CSCF to the I-CSCF
    From the I-CSCF to the S-CSCF
    S-CSCF challenges the UE
    UE's response to the challenge
    Registration at the S-CSCF
    The 200 OK response
    Third-Party registration to application servers
    Subscription to registration event package
    Re-registration and re-authentication
    De-registration
    Related standards
    IMS VoIP session
    Constructing the INVITE request
    Routing
    Media negotiation
    Media resource reservation and policy
    Control
    Charging
    Session release
    IMS emergency session

    VoLTE radio performance
    Coverage
    Latency
    Capacity

Learning path

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Reviews

5.0

Based on overall ratings

C. M. - IX Reach

"Very interesting and informative."


T. W. - LINX

"Kept it interesting and fun!"

Training approach

This structured course uses Instructor Led Training to provide the best possible learning experience. Small class sizes ensure students benefit from our engaging and interactive style of teaching with delegates encouraged to ask questions throughout the course. Quizzes follow each major section allowing checking of learning.