Introduction to the IMS
- IMS Standards Development and History
- IMS for Fixed and Mobile Operators
- The IMS Market
- IMS Features and Services
- Supporting Voice and SMS on IMS-based Networks
- IMS and Long Term Evolution (LTE)
- Voice Proposals for LTE
- The One Voice Profile
IMS Architecture and Operation
- IMS Architecture and Components
- The Call Session Control Functions (CSCFs)
- Application Server
- Media Resource Function (MRF)
- Media Gateway Function
- The HSS and Cx Interface
- Breakout and Interworking Functions
- The Application Server (AS)
- Introduction to SIP
- SIP Architecture and Components
- SIP Addressing
- SIP Servers and User Agents
- The SIP Protocol Structure and Procedures
- The Session Description Protocol (SDP)
- SIP Sequences for Session Control
- SIP Security
- The Diameter Protocol
- The Real Time Transfer Protocol (RTP)
- SIP and RTP for IMS Sessions
LTE Architectural Review
- LTE Development
- The E-UTRAN
- Evolved Packet Core (EPC)
- Serving Gateway (SGW)
- Mobility Management Entity(MME)
- Packet Data Network Gateway (PDN GW)
- UMTS – LTE Inter-working
- Spectrum Requirements of LTE
LTE/EPC Bearers
- LTE Radio Bearers and Capabilities
- Introduction to the Evolved Packet Core (EPC)
- The EPS Bearer Concept
- Gateway Functions in the EPC
- Mobility Functions in the EPC
- Service Control and the IMS
- Policy Control Functions
- Charging Requirements and Functionality
- Quality of Service (QoS) Requirements and Control
Voice Services in LTE
- Voice Service Proposals
- VoLGA
- VoLTE
- CS Fallback
- Simple VoIP
- The One Voice Proposal
- Architectural and Functional Requirements for One Voice
- Signalling Sequences for Voice Services
- Quality of Service (QoS) Requirements and Control
- The Concept of Voice Call Continuity (VCC)
- Single Radio VCC (SR-VCC)