IMS Training: IP Multimedia Subsystem Training

Duration: 2-3 days


Communications networks are rapidly evolving into policy-based, packet-oriented networks designed to provide a particular quality-of-services (QoS) for subscribers while reducing the costs associated with capital expansions, network operations, and management. If you are involved with telecommunications engineering, deployment, strategy, marketing, or services creation, it is critical that you understand the technology and business implications of IMS.

In this IMS course, you will study IMS from all angles including the technology, status of wireless and wireline standards, key challenges posed by the technology, financial drivers for its adoption, deployment, and even security considerations. You will also study the issue of network policy and how the different levels and types of policies for QoS and admission control have important bearing on traffic engineering in the evolving networks. We will conclude with a look at the future of telecommunications networks, including a flat, all-IP infrastructure.

IMS Training: IP Multimedia Subsystem Training

Related Courses

After completing this course, attendees will be able to:

  • Identify the market trends that are currently shaping the evolution of fixed and wireless etworks.
  • List the key technology considerations that impact the evolution of networks.
  • Describe the major components of the IMS system and how they work together.
  • Describe how the traffic engineering of the evolving networks will require an understanding of the underlying network policies.


  • Historical perspective of wireless and wireline network evolution
  • Advantages and disadvantages of legacy technologies

IMS Basics

  • Key terminology
  • IMS layers, concepts, and elements
  • Definitions/functions per node
  • Policy overview
  • IMS in GSM, CDMA, fixed and WiMAX networks
  • IMS key market trends
  • SIP overview
  • MPLS/DiffServ and packet networks overview

IMS: A Functional Study

  • P,I,S-CSCF
  • SBC
  • BGCF
  • MGCF
  • SGW
  • MRF
  • SCIM
  • HSS
  • SLF
  • Interfaces
  • Protocols

IMS Applications

  • Overview of services
  • SCIM and composite services
  • Services policy

System Functionality

  • Quality of Service (QoS)
  • Peering policy
  • Access policy
  • Applications policy
  • Network policy
  • Subscriber policy
  • Third party policy

Call Flows

  • Mobile to land
  • Land to mobile
  • 2G mobile to 3G VoIP/IMS mobile
  • 3G VoIP/IMS mobile to 2G Mobile
  • 2G SMS to 3G/IMS SMS

Current Standards Work and Challenges

  • IPv6
  • Legacy internetworking
  • Security
  • Privacy
  • RAN performance requirements
  • SCIM
  • Session based QoS
  • Non-SIP and legacy applications and admission control
  • Voice call continuity
  • IMS centralized services


  • Putting it all together
  • End game, economics, strategy, financial drivers
  • Future of mobile networking
  • Q/A and Evaluations

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