Tech-invite 3GPPspace IETFspace

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Content for TR 23.979 Word version: 17.0.0

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5 Architectural Concept p. 10

5.1 General overview p. 10

5.2 Architecture assumptions p. 11

5.2.1 Charging architecture aspects p. 11

5.3 Signalling plane impacts p. 12

5.3.1 General aspects for PoC signalling p. 12

5.3.2 On-demand Session p. 12

5.3.2.1 On-demand session general p. 12

5.3.2.2 On-demand session with automatic answer p. 12

5.3.2.3 On demand session with manual answer p. 15

5.3.3 Pre-established Session p. 18

5.3.3.1 Pre-established session general p. 18

5.3.3.2 Pre-established session with automatic answer p. 18

5.3.3.3 Pre-established session with manual answer p. 20

5.4 User plane impacts p. 23

5.4.1 General p. 23

5.4.2 GPRS interactions in relation to PoC p. 23

5.4.2.1 General p. 23

5.4.2.2 QoS traffic class considerations p. 23

5.4.3 PoC and SBLP/Go functions p. 24

5.5 Notification of Parallel Services p. 24

5.5.1 Notification of incoming CS service during a PoC session p. 24

5.5.2 Notification of PoC Session during an ongoing CS service. p. 24

5.6 PoC Charging Correlation p. 24

6 Conclusions p. 25

A Recommended QoS settings and configuration parameters for PoC p. 26

A.1 Introduction p. 26

A.2 QoS attribute settings p. 26

A.2.1 QoS attribute settings for general purpose PDP context p. 26

A.2.2 QoS attribute settings when separate PDP contexts are used for signalling and media p. 27

A.3 Radio Network Configuration p. 29

B Delay analysis of PoC session establishment p. 30

B.1 Introduction p. 30

B.2 On demand session with manual answer p. 31

B.3 On demand session with automatic answer p. 33

B.4 On pre-established session p. 34

C Required SigComp performance p. 37

C.1 Introduction p. 37

C.2 Assumptions p. 37

C.3 Estimation of SIP compression ratios p. 37

C.4 SigComp requirements p. 38

$ Change History p. 39