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Overview |
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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. |
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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
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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
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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
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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
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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
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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
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Module 7: IMS Mobility Considerations |
- General IMS Mobility
- IMS to PSTN
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Module 8: IMS Services and Building Blocks |
- Application servers
- Subscriber profiles and triggers
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Module 9: Module 2010 IMS Deployment |
- IMS Global Deployment Trends
- IMS Standards development Trends
- Future Directions
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