IP Multimedia Subsystem (IMS)
1) Introduction to IMS
- IMS Basics
- UMTS and IMS
- IMS Standards
- 3GPP/3GPP2
- IETF
- OMA
- ETSI/TIPHON
- Why IMS
- The IMS Market
- Benefits to the Operator
- Benefits to the End User
- IMS Players
- IMS Technologies
- IMS Features
- Multimedia Session Management
- Mobility Management and Roaming
- QoS
- Service Execution
- Third Party Service Support
- IMS Services
- Introduction to Services
- PoC (Push to Talk Over Cellular)
- Push to See
- Interactive Gaming
- File Sharing
- Instant Messaging
- Voice Messaging
- Voice Telephony over IMS
- Video Conferencing
- Content Streaming Services
2) SIP (Session Initiation Protocol) Primer and Diameter
- Intro to SIP
- SIP Addressing
- SIP Architecture and Components
- User Agent
- Proxy Server
- Registrar Server
- Redirect Server
- Location Service
- SIP Methods
- SIP Response Codes
- SIP Message Transport
- SIP Message Structure
- SIP Server Discovery
- Basic SIP Procedures
- SIP Registration
- Call Establishment
- Proxy Mode Operation
- Redirect Mode Operation
- SIP Security
- Basic Diameter Architecture and Operation
- Diameter Applications
- SIP and RTP
- RTP Structure
- RTP Payloads
- RTCP
- RTP Flow Examples
3) IMS Architecture
- IMS Components
- Proxy – CSCF
- Interrogating – CSCF
- Serving – CSCF
- Application Server
- Media Resource Function (MRF)
- Media Gateway Function
- The HSS and Cx Interface
4) IMS Procedures
- IMS Registration
- IMS Session Control
- SIP Proxy Operation
- SIP Redirect Operation
- SIP Call Flows
- IMS Roaming
5) Service Provision in IMS
- The Application Server
- AS and Session Control
- Presence Based Services
- Instant Messaging Service
- Service Examples
- CAMEL and IMS
- OSA/Parlay and IMS
6) QoS in IMS
- QoS Tools
- SIP and QoS
- QoS Call flows
7) IMS Security
- Architecture for IMS Security
- Using SIP for Security
- Authentication
- Privacy
- Denial of Service