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TS 23.334
IMS-ALG – IMS-AGW
Iq Interface

3GPP‑Page   ETSI‑search   eToC↓   LoFT↓   CONTENT →
V18.1.0 (PDF)  2024/06  240 p.
V17.3.0  2024/03  219 p.
V16.4.0  2024/03  222 p.
V15.4.0  2024/03  220 p.
V14.9.0  2024/03  220 p.
V13.13.0  2024/03  209 p.
V12.13.0  2024/03  177 p.
V11.2.0  2012/12  68 p.
V10.5.0  2012/12  65 p.
V9.3.0  2010/10  51 p.
Rapporteur:
Dr. Belling, Thomas
Nokia Germany

essential Table of Contents for  TS 23.334  Word version:  18.1.0

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List of Figures and Tables

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

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