TS 124 228 : 5.15.0

Intellectual Property Rights
Foreword
Foreword
1 Scope
2 References
3 Definitions and abbreviations
   3.1 Definitions
   3.2 Abbreviations
4 Methodology
   4.1 Key required to interpret signalling flows
   4.2 Notation conventions
   4.3 Document Structure
5 Elements of signalling flows for provision of IP-connectivity
   network (Informative)
   5.1 Introduction
   5.2 PDP context activation and P-CSCF discovery procedures
   5.3 End-to-End QoS and signalling call flows interactions
6 Signalling flows for REGISTER (non hiding) (Informative)
   6.1 Introduction
   6.2 Registration signalling: user not registered
   6.3 Registration signalling: reregistration - user
        currently registered
   6.4 Registration signalling: mobile initiated deregistration
        (not provided)
   6.5 UE subscription for the registration state event package
   6.6 P-CSCF subscription for the registration state event
        package
   6.7 (without I-CSCF providing configuration independence)
   6.7 Notifying of the network-initiated deregistration event
   6.8 Network initiated re-authentication
   6.9 Registration error conditions
7 Signalling flows for session initiation (non hiding) (Informative)
   7.1 Introduction
   7.2 Origination procedures
   7.3 S-CSCF (MGCF) to S-CSCF (MGCF) procedures
   7.4 Termination procedures
   7.5 Sample multimedia signalling flows: addition of further
        media streams
   7.6 Error handling: session initiation (not provided)
8 Signalling flows for session release (non hiding) (Informative)
   8.1 Introduction
   8.2 Mobile terminal initiated session release
   8.3 PSTN initiated session release (not provided)
   8.4 Error handling: session release (not provided)
9 Network initiated procedures (non hiding) (not provided)
  (Informative)
10 Procedures to enable enhanced multimedia services (non hiding)
  (Informative)
   10.1 Session hold and resume procedures
   10.2 Initiating and destination party identification
   10.3 Procedures for codec and media flow negotiations
   10.4 Session redirection procedures
   10.5 Session transfer procedures
   10.6 IMS Message Exchange, UEs in different networks
11 Void
12 Void
13 Void
14 Void
15 Void
16 Signalling flows for REGISTER (hiding) (Informative)
   16.1 Introduction
   16.2 Registration signalling: user not registered
   16.3 Registration signalling: reregistration - user currently
        registered
   16.4 Registration signalling: mobile initiated deregistration
   16.5 UE subscription for the registration state event package
   16.6 P-CSCF subscription for the registration state event
        package
   16.7 Notifying of the network initiated deregistration event
        (not provided)
   16.8 Network initiated re-authentication
   16.9 Registration error conditions
17 Signalling flows for session initiation (hiding) (Informative)
   17.1 Introduction
   17.2 Origination Procedures
   17.3 S-CSCF (MGCF) to S-CSCF (MGCF) procedures
   17.4 Termination procedures
   17.5 Sample multimedia signalling flows: addition of further
        media streams
   17.6 Error handling: Session Initiation (not provided)
18 Signalling flows for session release (hiding) (Informative)
   18.1 Introduction
   18.2 Mobile terminal initiated session release
   18.3 PSTN initiated session release (not provided)
   18.4 Error handling: session release (not provided)
19 Network initiated procedures (hiding) (not provided)
   (Informative)
20 Procedures to enable enhanced multimedia services
   (hiding) (not provided) (Informative)
Annex A (informative): Change history
History

Gives examples of signalling flows for the IP multimedia call control based on SIP and SDP.