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I highly recommend TrainingCity for training services. I took a workshop for one week for training on VoIP technologies. After taking the course, I knew enough about the technology to set up my own VoIP system at home, and am qualified to get a VoIP job.

TrainingCity's course is organized, the topics are covered thoroughly and they have deep knowledge of the subject. In addition, my instructor was very personable and kept the class interested. I plan on taking future courses with TrainingCity. Yvonne Young March 26, 2007

 
Detailed Course Outline
IMS Fundamentals Hands ON Workshop
Course: 7101
Duration: 3 Days
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Course Outline
Suggested Prerequisites
Suggested Follow-Ons
Overview
Gain Real World, hands on experience with IP Multimedia Subsystem (IMS) in this practical, up to date course. Get practical knowledge of Internet Engineering Task Force RFC standards, particularly SIP & IPsec Security considerations in IMS.
Module 1: Introduction
  • Introduction to IP Multimedia Subsystem (IMS)
  • Benefits of IMS
  • IMS Design Principles
  • The Role of IETF standards
  • Overview of 3GPP standards development track
  • General Overview of IPv4
  • The Importance of SIP
  • IPv6 Deployment Trends
  • Lab 1.1: Using Wireshark Telephony Capture Options
Module 2: Overview of IMS Architecture
  • IMS Architectural Overview & Diagrams
  • Concept of Service Layer, Control Layer, & Access Layer Isolation
  • Components & Functions Explained in Layered Context
  • Service/Application Layer
  • HSS
  • AS
  • SLF
  • SIP AS
  • Camel
  • IMS Layer
  • CSCF
  • Transport Layer
  • IMS GW
  • IPv4
  • IPv6
Module 3: IMS Signaling
  • In Band vs Out of Band Signaling in IMS
  • Why SIP?
  • Overview of SIP Standards
  • SIP Addressing
  • SIP Registration & Location
  • SIP Proxy
  • Lab 3.1: Capture & Analyze Basic Call Flow Diagrams
  • IMS Registration Sequence Diagrams
  • IMS to IMS Call Flow
  • PSTN (ISUP) to IMS Interworking Call Flow
  • IMS to PSTN (ISUP) Interworking Call Flow
  • SDP Codec Selection and QoS Signaling in an IMS Call
  • IMS Presence Subscription and Notification Flow
  • IMS Conference Call
Module 4: VoIP Call Transport Basics
  • Codec/RTP/UDP/IP/L2 Concept
  • Real Time Control Protocol RTCP
  • Lab 4.1: Capture VoIP traffic & SIP IP PBX Signaling
Module 5: IMS Quality of Service
  • QoS Fundamentals
  • Overview of IETF QoS RFCs
  • DiffServ
  • RSVP
  • General Trends in WAN QoS Service Offerings
  • MPLS-TE Trends in Carrier WANs
Module 6: Security Considerations
  • Threat assessments & categorization
  • Early IMS security in TR33.978
  • Overview of IETF Security Standards
  • The Future of IPsec
  • IPsec core concepts
  • Authentication
  • Encryption
  • Lab 6.1: Capture IPsec ISAKMP, ESP & AH Packets using Wireshark
Module 7: IMS Mobility Considerations
  • General IMS Mobility
  • IMS to PSTN
Module 8: IMS Services and Building Blocks
  • Application servers
  • Subscriber profiles and triggers
Module 9: Module 2010 IMS Deployment
  • IMS Global Deployment Trends
  • IMS Standards development Trends
  • Future Directions
 
 
 
 
 
 
 
Hands On Training
Lab 1.1: Using Wireshark Telephony Capture Options
Lab 3.1: Capture & Analyze Basic Call Flow Diagrams
Lab 4.1: Capture VoIP traffic & SIP IP PBX Signaling
Lab 6.1: Capture IPsec ISAKMP, ESP & AH Packets using Wireshark