Tech-invite 3GPPspace IETF RFCs SIP

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Content for TR 23.849 Word version: 11.0.0

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5 Solution Alternatives p. 7

5.1 Solution Alternatives for Allocation of Resources p. 7

5.1.1 Introduction p. 7

5.1.2 Tones/Announcements insertion in the VPLMN p. 7

5.1.3 Conferencing p. 10

5.1.4 Transcoding at Network Edge p. 12

5.1.5 Transcoding in IMS core network p. 14

5.1.5.1 Proactive transcoding using MRF in visited network p. 14

5.1.5.2 Reactive transcoding using MRF in visited network p. 16

5.1.6 Transcoder placement alternative p. 18

5.1.7 IBCF interactions p. 19

5.1.7.1 General p. 19

5.1.7.2 Impact on IMS NNI p. 19

5.1.7.3 Optimal Media Routing p. 19

5.1.8 Optimal MRF placement for RAVEL scenarios p. 19

5.2 Solution Alternatives for MRF/MRB discovery p. 20

5.2.1 MRF/MRB Selection at Registration p. 20

5.2.2 MRF/MRB Selection at Session initiation p. 20

5.2.3 AS is configured with VPLMN MRF address p. 21

5.2.4 AS uses MRB in Query Mode p. 21

5.2.5 AS uses MRB in In-Line Mode p. 21

6 Assessment p. 23

7 Conclusion p. 25

$ Change history p. 27