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IMS Overview – 2 Days

Intended Audience: Telecom Engineers or anyone interested in IMS
Delivery Method: Live slides and Active Learning Methodology
Prerequisites: General IP and VoIP Knowledge
Source: 3GPP, IETF, GSMA, ETSI, etc

Introduction to VoIP

  • Organizations and Releases

  • Terminology

  • SIP Fundamentals

  • Methods, Headers and Responses

  • VoIP Domain 

  • SDP Fundamentals

  • RTP and RTCP Fundamentals

IMS Architecture

  • Nodes, Interfaces and Protocols

  • Concepts in IMS

  • IMS User Profiles and iFC

IMS Procedures

  • IMS Registration

  • IMS Subscription

  • IMS Invitation


  • GSMA recommendations for VoLTE

  • Default Bearer Setup in EPC

  • Dedicated Bearer Setup in EPC

  • Policy and Charging for IMS

  • PCRF and its usage in IMS

IMS Service Concept

  • IMS Service Architecture

  • Application Servers (AS)

  • MRFP and MRFC

  • Examples of IMS Services

Mobility Related Procedures

  • Support for roaming users

  • Idle Mode and Connected Mode Mobility Scenarios

  • SRVCC Fundamentals

Session Related Procedures

  • Session setup procedures

  • SDP and SDP negotiation

  • PCRF interaction during session setup

  • IMS Charging

IMS Security

  • IMS Security Architecture

  • IMS Access Security

  • IMS Network Security

  • IMS User Plane Securit

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