| |
Figure 1.1 | Scope of the specification |
Figure 4.1.1 | Reference Architecture with NAT invoked between the UE and the IMS domain |
Figure 4.1.2 | Reference Architecture for IMS-ALG/IMS-AGW with ATCF/ATGW function |
Figure 4.1.3 | Reference architecture for ICE |
Figure 4.1.4 | Reference Architecture for eP-CSCF/eIMS-AGW supporting WebRTC access to IMS |
Table 5.13.2.1 | IMS-ALG handling of common codec parameters for transcoding. |
Table 5.13.2.2 | IMS-AGW handling of common codec parameters |
Table 5.13.3.1 | IMS-ALG handling of EVS related SDP parameters when the IMS-ALG adds the EVS payload type to the SDP offer. |
Table 5.13.3.2 | IMS-ALG handling of EVS related SDP parameters when the IMS-ALG receives the EVS payload type in the SDP offer and decides to transcode between the EVS payload type and some other codec. |
Table 5.13.3.3 | IMS-AGW handling of EVS codec parameters |
Table 5.13.4.1 | IMS-ALG handling of OPUS related SDP parameters when the IMS-ALG adds the OPUS payload type to the SDP offer. |
Table 5.13.4.2 | IMS-ALG handling of OPUS related SDP parameters when the IMS-ALG receives the OPUS payload type to the SDP offer and decides to transcode between the OPUS payload type and some other codec. |
Table 5.13.4.3 | IMS-AGW handling of OPUS codec parameters. |
Table 5.13.5.1 | IMS-ALG handling of IVAS related SDP parameters when the IMS-ALG receives the IVAS payload type in the SDP offer and decides to transcode between the IVAS payload type and some other codec |
Table 5.13.5.2 | IMS-AGW handling of IVAS codec parameters |
Table 5.19.1-1 | Behaviour of MSRP clients and related IMS-ALG and IMS-AGW procedures for MSRP with different extensions. |
Figure 6.1.2.1 | Signalling connection failure |
Figure 6.1.2.2 | IMS-AGW indicates the Failure/Maintenance locking |
Figure 6.1.3.1 | Communication goes up |
Figure 6.1.3.2 | IMS-AGW indicates recovery from a failure/or maintenance unlocking |
Figure 6.1.4.1 | IMS-AGW Restoration |
Figure 6.1.4.2 | IMS-AGW Registration |
Figure 6.1.5.2.1 | IMS-ALG Restoration |
Figure 6.1.6.1 | Re-registration of an IMS-AGW |
Figure 6.1.7.1 | Re-registration ordered by the IMS-ALG |
Figure 6.1.8.1.1 | Audit Value |
Figure 6.1.8.2.1 | Audit Capability |
Figure 6.1.9.1 | Capability Update |
Figure 6.1.10.1 | IMS-ALG Out of Service |
Figure 6.1.11.1 | IMS-AGW Resource Congestion Handling - Activate |
Figure 6.1.12.1 | IMS-AGW Resource Congestion Handling - Indication |
Figure 6.1.13.1 | Inactivity Timeout - Activate |
Figure 6.1.13.2 | Inactivity Timeout - Indication |
Figure 6.1.14.1 | Realm Availability - Activate |
Figure 6.1.14.2 | Realm Availability - Indication |
Figure 6.1.15.1 | Termination Out of Service |
Figure 6.2.1.1 | H.248 Context Model |
Figure 6.2.1.2 | IMS-ALG and IMS-AGW interaction at session establishment |
Figure 6.2.6.1 | Termination heartbeat - Indication |
Figure 6.2.8.1 | Media Inactivity Notification |
Figure 6.2.10.3.1.1.1.1 | Originating example call flow for e2ae security for MSRP where an incoming TCP bearer establishment triggers an outgoing TCP bearer establishment |
Figure 6.2.10.3.1.1.2.1 | Originating example call flow for e2ae security for MSRP where the IMS-ALG requests sending an outgoing TCP bearer establishment |
Figure 6.2.10.3.1.2.1.1 | Terminating example call flow for e2ae security for MSRP where an incoming TCP bearer establishment triggers an outgoing TCP bearer establishment |
Figure 6.2.10.3.1.2.2.1 | Terminating example call flow for e2ae security for MSRP where the IMS-ALG requests sending an outgoing TCP bearer establishment |
Figure 6.2.10.3.2.1.1.1 | Originating example call flow for e2ae security for BFCP where an incoming TCP bearer establishment triggers an outgoing TCP bearer establishment |
Figure 6.2.10.3.2.2.1.1 | Terminating example call flow for e2ae security for MSRP where an incoming TCP bearer establishment triggers an outgoing TCP bearer establishment |
Figure 6.2.10.4.2.1 | Session setup from the IMS access network with e2ae protection of T.38 fax |
Figure 6.2.10.4.3.1 | Session setup towards the IMS access network with e2ae protection of T.38 fax |
Figure 6.2.10.4.5.1 | DTLS session establishment failure indication |
Figure 6.2.10.5.1 | UE originated procedure using DTLS-SRTP |
Figure 6.2.10.5.2 | UE terminated procedure using DTLS-SRTP |
Figure 6.2.10.6.2.1 | eIMS-AGW - H.248 Context model for WebRTC gateway inclusive H.248 Stream Group for WebRTC data components |
Figure 6.2.10.6.2.2 | WIC originated procedure for WebRTC data channel establishment and MSRP stream establishment |
Figure 6.2.13.2.1 | Procedure to indicate ECN transparent negotiated |
Figure 6.2.13.3.1 | Procedure to Request ECN endpoint |
Figure 6.2.13.4.1 | Procedure to Report ECN Failure |
Figure 6.2.14.2.1 | H.248 Context Model before Access Transfer |
Figure 6.2.14.2.2 | H.248 Context Model during Access Transfer |
Figure 6.2.14.2.3 | H.248 Context Model after Access Transfer |
Figure 6.2.14.3.1 | PS session establishment with media anchoring in IMS-AGW (ATGW) |
Figure 6.2.14.4.1 | PS to CS Access Transfer with transcoding in IMS-AGW (ATGW) |
Figure 6.2.14.6.2.1 | Request to reserve AGW connection point with generic image attribute |
Table 6.2.14.7.1 | IMS-ALG handling of common codec related SDP parameters during PS session origination |
Table 6.2.14.7.2 | IMS-ALG handling of common codec related SDP parameters during PS to CS Access Transfer |
Table 6.2.14.8.1 | IMS-ALG handling of EVS related SDP parameters during PS session origination |
Table 6.2.14.8.2 | IMS-ALG handling of EVS related SDP parameters during PS to CS Access Transfer |
Table 6.2.14.9.1 | IMS-ALG handling of IVAS related SDP parameters during PS session origination |
Figure 6.2.15.2.1 | Request to reserve IMS-AGW MPS Priority call resources when IMS-AGW is congested |
Figure 6.2.15.4.1 | Request to reserve IMS-AGW MPS Priority call resources when IMS-AGW is congested, priority resources are allocated |
Figure 6.2.15.5.1 | Request to reserve IMS-AGW call resources and apply DCSP marking for MPS |
Figure 6.2.16.1 | Procedure to indicate RTP extension header for CVO |
Figure 6.2.17.1.1 | Procedure for interactive connectivity establishment using ICE lite towards the offerer |
Figure 6.2.17.2.1 | Procedure for interactive connectivity establishment using full ICE towards the offerer |
Figure 6.2.17.3.1 | Procedure to report ICE connectivity check result |
Figure 6.2.17.4.1 | Procedure to perform additional connectivity check upon the report of new peer reflexive candidate |
Figure 6.2.17.5.1 | Procedure for STUN consent freshness test towards the offerer |
Figure 6.2.17.6.1 | Procedure to report STUN consent freshness test failure |
Figure 6.2.18.4.1 | Terminating example call flow for MSRP between UEs located behind NAT |
Figure 6.2.20.1 | Terminating session setup with insertion of the SDP attribute "altc" by the IMS-ALG |
Figure 6.2.21.1.1 | Procedure to indicate Video ROI using FECC |
Figure 6.2.21.2.1 | Procedure to indicate Predefined ROI mode |
Figure 6.2.21.3.1 | Procedure to indicate Arbitrary ROI mode |
Figure 6.2.22.2.1 | Call flow for the Release of a single WebRTC data channel |
Figure 6.2.22.3.1.1 | WIC originated procedure for WebRTC data channel establishment with media plane optimization including DTLS layer |
Figure 6.2.22.3.2.1 | WIC originated procedure for WebRTC data channel establishment with media plane optimization excluding DTLS layer |
Figure 6.2.23.1 | Procedure to indicate RTP-level pause and resume |
Figure 6.2.24.1 | Procedure to indicate RTCP Codec Control Commands and Indications |
Figure 6.2.25.1 | Procedure to indicate DBI |
Table 8.2.1 | Procedures between IMS-ALG and IMS-AGW: Reserve and Configure AGW Connection Point |
Table 8.3.1 | Procedures between IMS-ALG and IMS-AGW: Reserve AGW Connection Point |
Table 8.4.1 | Procedures between IMS-ALG and IMS-AGW: Configure AGW Connection Point |
Table 8.5.1 | Procedures between IMS-ALG and IMS-AGW: Release AGW Termination |
Table 8.6.1 | Procedures between IMS-ALG and IMS-AGW: Termination heartbeat indication |
Table 8.7.1 | Procedures between IMS-ALG and IMS-AGW: IMS-AGW Out-of-Service |
Table 8.8.1 | Procedures between IMS-ALG and IMS-AGW: IMS-AGW Communication Up |
Table 8.9.1 | Procedures between IMS-ALG and IMS-AGW: IMS-AGW Restoration |
Table 8.10.1 | Procedures between IMS-ALG and IMS-AGW: IMS-AGW Register |
Table 8.11.1 | Procedures between IMS-ALG and IMS-AGW: IMS-ALG Restoration |
Table 8.12.1 | Procedures between IMS-ALG and IMS-AGW: IMS-AGW Re-register |
Table 8.13.1 | Procedures between IMS-ALG and IMS-AGW: IMS-ALG Ordered Re-register |
Table 8.14.1 | Procedures between IMS-ALG and IMS-AGW: Audit Value |
Table 8.15.1 | Procedures between IMS-ALG and IMS-AGW: Audit Capability |
Table 8.16.1 | Procedures between IMS-ALG and IMS-AGW: Capability Update |
Table 8.17.1 | Procedures between IMS-ALG and IMS-AGW: IMS-ALG Out of Service |
Table 8.18.1 | Procedures between IMS-ALG and IMS-AGW: IMS-AGW Resource Congestion Handling - Activate |
Table 8.19.1 | Procedures between IMS-ALG and IMS-AGW: IMS-AGW Resource Congestion Handling - Indication |
Table 8.20.1 | Procedures between IMS-ALG and IMS-AGW: Inactivity Timeout Activate |
Table 8.21.1 | Procedures between IMS-AGW and IMS-ALG: Inactivity Timeout Notification |
Table 8.22.1 | Procedures between IMS-ALG and IMS-AGW: Command Reject |
Table 8.23.1 | Procedures between IMS-ALG and IMS-AGW: Realm Availability Activate |
Table 8.24.1 | Procedures between IMS-ALG and IMS-AGW: Realm Availability Notification |
Table 8.25.1 | Procedures between IMS-ALG and IMS-AGW: IP Bearer Released |
Table 8.26.1 | Procedures between IMS-ALG and IMS-AGW: Media Inactivity Notification |
Table 8.27.1 | Procedures between IMS-ALG and IMS-AGW: Termination Out-of-Service |
Table 8.28.1 | Procedures between IMS-ALG and IMS-AGW: Change Through-Connection |
Table 8.29 | Procedures between IMS-ALG and IMS-AGW: Configure AGW Connection Point |
Table 8.30.1 | Procedures between IMS-ALG and IMS-AGW: ECN Failure Indication |
Table 8.31.1 | Procedures between IMS-ALG and IMS-AGW: (D)TLS session establishment Failure Indication |
Table 8.32.1 | Procedures between IMS-ALG and IMS-AGW: TCP connection establishment Failure Indication |
Table 8.33.1 | Procedures between IMS-ALG and IMS-AGW: ICE Connectivity Check Result Notification |
Table 8.34.1 | Procedures between IMS-ALG and IMS-AGW: ICE New Peer Reflexive Candidate Notification |
Table 8.35.1 | Procedures between eP-CSCF and eIMS-AGW: STUN Consent Freshness Test Failure Notification |
Table 8.36.1 | Procedures between IMS-ALG and IMS-AGW: Notify SCTP Stream Reset |
Table 8.37.1 | Procedures between IMS-ALG and IMS-AGW: Notify SCTP Stream Reset Result |