Tech-
invite
3GPP
space
IETF
space
21
22
23
24
25
26
27
28
29
31
32
33
34
35
36
37
38
4‑5x
Content for
TS 24.337
Word version: 18.0.0
1…
6…
15…
A…
A
Example signalling flows
B
Media feature tags and feature-capability indicators defined within the current document
C
XML schemas
D
SDP Attributes defined within the current document
$
Change history
A
Example signalling flows
p. 68
A.1
Scope of signalling flows
p. 68
A.2
Introduction
p. 68
A.2.1
General
p. 68
A.2.2
Key required to interpret signalling flows
p. 68
A.3
Signalling flows for Inter-UE Transfer without establishment of Collaborative Session
p. 69
A.3.1
Introduction
p. 69
A.3.2
Complete transfer in services defining only originating session set up in UE
p. 69
A.3.3
Complete transfer in services defining terminating session set up in UE
p. 73
A.3.4
Inter UE transfer triggered by SC UE not participating in the session to be transferred
p. 77
A.4
Signalling flows for establishment of collaborative session for inter-UE transfer
p. 80
A.4.1
Introduction
p. 80
A.4.2
Collaborative session establishment with media transfer
p. 81
A.4.3
Collaborative session establishment with new media
p. 88
A.5
Signalling flows for media transfer within collaborative session for inter-UE transfer
p. 94
A.5.1
Introduction
p. 94
A.5.2
Controller UE initiated media transfer from controller UE to controllee UE
p. 95
A.5.3
Controller UE initiated media transfer from controllee UE to another controllee UE with subscription to dialog events
p. 104
A.5.4
Controller UE initiated media transfer from controllee UE to another controllee UE
p. 116
A.6
Signalling flows for release of collaborative session for inter-UE transfer
p. 124
A.6.1
Introduction
p. 124
A.6.2
Controller UE releases collaborative session
p. 124
A.6.3
Remote UE releases collaborative session
p. 126
A.7
Signalling flows for addition and deletion of media within collaborative session for inter-UE transfer
p. 127
A.7.1
Introduction
p. 127
A.7.2
Controller UE releases media
p. 128
A.7.2.1
Controller UE releases media flow on controller UE
p. 128
A.7.2.2
Controller UE releases media flow on controllee UE
p. 132
A.7.2.2.1
Controller UE removes media at the controllee UE
p. 132
A.7.2.2.2
Controller UE remove the controllee UE from the collaborative session
p. 140
A.7.4
Controllee UE releases media
p. 145
A.7.5
Controllee UE modifies media on itself
p. 148
A.7.6
Remote UE adds new media on controllee UE
p. 151
A.7.7
Remote UE releases media on the controller UE
p. 158
A.8
Signalling flows for collaborative session of participants of different subscriptions
p. 161
A.8.1
Introduction
p. 161
A.8.2
Signalling flow for controller UE initiated media transfer from controller UE to controllee UE belonging to different subscriptions under the same operator
p. 161
A.9
Signalling flows for for establishment of a collaborative session during session setup
p. 166
A.9.1
Introduction
p. 166
A.9.2
Collaborative session establishment upon originating session setup
p. 166
A.9.3
Collaborative session establishment upon originating session setup with forked responses
p. 170
A.9.4
Collaborative session establishment upon terminating session setup
p. 178
A.10
Signalling flows for assignment and transfer of control of a collaborative session
p. 185
A.10.1
Introduction
p. 185
A.10.2
Transfer of control of a collaborative session without media transfer
p. 185
A.11
Signalling flows for media flow transfer
p. 190
A.11.1
Introduction
p. 190
A.11.2
Media flows transfer initiated by a UE not participating in the ongoing collaborative session
p. 190
A.11.3
Media flows transfer initiated when no collaborative session has been established
p. 198
A.11.4
Media flows transfer initiated by a controllee UE of an ongoing collaborative session
p. 207
A.11.5
Controllee UE initiated addition of media to another controllee UE
p. 216
A.12
Signalling flows for session replication / media replication performed by the SCC AS
p. 223
A.12.1
Introduction
p. 223
A.12.2
Signalling flows for session replication / media replication performed by the SCC AS - pull mode
p. 224
A.12.3
Signalling flows for session replication / media replication performed by the SCC AS - push mode
p. 227
A.13
Signalling flows for session replication / media replication performed by the remote UE
p. 230
A.13.1
General
p. 230
A.13.2
Signalling flows for session replication / media replication performed by the remote UE - pull mode
p. 231
A.13.2.1
Introduction
p. 231
A.13.2.2
Pull mode session replication
p. 231
A.13.3
Signalling flows for session replication / media replication performed by the remote UE - push mode
p. 235
A.13.3.1
Introduction
p. 235
A.13.3.2
Push mode session replication
p. 235
A.14
Signalling flows for session discovery
p. 238
A.14.1
Introduction
p. 238
A.14.2
Discovery of sessions of another user of different IMS subscription
p. 238
A.14.3
Discovery of sessions of another user of different IMS subscription including session descriptions
p. 241
A.15
Signalling flows for collaborative session handling upon loss of collaborative session control
p. 244
A.15.1
Introduction
p. 244
A.15.2
Session handling upon controller lost
p. 244
A.16
Signalling flows for collaborative session media modification
p. 246
A.16.1
Introduction
p. 246
A.16.2
Controllee UE initiated media modification on itself
p. 247
B
(Normative) Media feature tags and feature-capability indicators defined within the current document
p. 248
B.1
General
p. 248
B.2
Definition of media feature tag g.3gpp.iut-controller
p. 248
B.3
Definition of media feature tag g.3gpp.iut-focus
p. 249
B.4
Definition of media feature tag g.3gpp.current-iut-controller
p. 249
B.5
Definition of feature-capability indicator g.3gpp.iut-focus
p. 250
C
XML schemas
p. 250
C.1
Replication body
p. 250
C.1.1
General
p. 250
C.1.2
XML schema
p. 250
C.1.3
IANA registration template
p. 251
C.2
IUT transfer feature XML schema
p. 252
C.2.1
General
p. 252
C.2.2
XML schema
p. 252
C.2.3
IANA registration template
p. 252
C.3
IUT preferences XML schema
p. 253
C.3.1
General
p. 253
C.3.2
Structure of the XML document
p. 254
C.3.2.1
IUT element
p. 254
C.3.2.2
IUT rules
p. 254
C.3.2.3
IUT rule conditions
p. 255
C.3.2.4
IUT rule actions
p. 255
C.3.3
XML schema
p. 255
C.3.4
IANA registration template
p. 256
C.4
IUT presence information XML schema
|R11|
p. 257
C.4.1
General
p. 257
C.4.2
XML schema
p. 257
D
(Normative) SDP Attributes defined within the current document
p. 258
D.1
General
p. 258
D.2
Definition of SDP attribute a=3gpp.iut.replication
p. 258
D.3
Definition of SDP attribute a=3gpp.iut.controllee
p. 258
$
Change history
p. 259