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6.3  Solution 3+5: Media anchoring in serving network with Access Transfer Control FunctionalityWord-p. 25
6.3.1  Architecture Reference Model
6.3.2  Functional EntitiesWord-p. 26
6.3.3  Message Flows
6.3.3.1  General principles
6.3.3.2  GERAN/UTRAN Attach procedureWord-p. 29
6.3.3.3  E-UTRAN attach procedure
6.3.3.3a  Informing the source RAN about the possibility to perform rSRVCCUp
6.3.3.4  Codec and transport address related procedureWord-p. 30
6.3.3.5  Establish a session over CS
6.3.3.6  CS - PS Access Transfer OverviewWord-p. 33
6.3.3.7  Access Transfer Preparation
6.3.3.8  IMS Session Continuity procedureWord-p. 45
6.3.3.9  Identification of serving PS nodeWord-p. 48
6.3.4  IMS registration ConsiderationsWord-p. 50
6.4  Solution 4: Session transfer by local anchoring with Indirect ForwardingWord-p. 53
6.5  Solution 5: IMS procedure is initiated by MSC Server to ATCFWord-p. 59
7  Assessment of the solutionsWord-p. 73
8  ConclusionWord-p. 77
A  Mechanisms to re-enable E-UTRAN capabilityWord-p. 78Up
B  Mechanisms for GERAN/UTRAN sending Handover/Relocation Required messageWord-p. 82
C  Change historyWord-p. 83

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