IMS Architecture

• IMS Introduction

• IMS Architecture Review

• Nodes and Interfaces

• IMS User Profiles and Filter Criteria

• IMS Services

Session Initiation Protocol - SIP

• VoIP Domain

• SIP Methods

• SIP Headers

• SIP Responses

Session Description Protocol - SDP

• SDP Details

• Codec negotiation with SDP

VoLTE Architecture

• QoS Handling for VoLTE

• PCRF Interaction for VoLTE

• Default and Dedicated Bearers for VoLTE

• GSMA Recommendations for VoLTE & ViLTE

IMS Interworking

• Interworking with CS Domain

• Interworking with PS Domain

• Interworking with non-IMS VoIP-Domain

PCC

• QoS handling in IMS

• IMS Charging

• PCC Machinery with PCRF

• Details for signaling in Rx and Gx Interfaces

DIAMETER

• DIAMETER details

• DIAMETER Commands and AVPs

• DIAMETER usage in IMS

IMS Security

• IMS Security Architecture

• IMS Access Security

• IMS Network Security

• SIP Headers used for IMS Security

SIP Extensions for 3GPP

• Details of all SIP extensions used in IMS

• IMS Registration – Detailed Traffic Case

• IMS Subscription – Detailed Traffic Case

• IMS Invitation – Detailed Traffic Case

IMS Services

• IMS Service Architecture

• SIP-Based Services

• Legacy Service Architecture Interaction

• MRFP and MRFC

• Detailed Traffic Cases for some IMS Services