Content for TS 24.237 Word version: 16.4.0
9 Roles for PS-CS access transfer
9.1 Introduction
9.1A Additional procedures with MSC Server assisted mid-call feature
9.2 SC UE
9.3 SCC AS
9.4 MSC server enhanced for ICS
9.5 PS to CS session continuity with MSC server assisted mid-call feature
9.6 PS to CS session continuity with MSC server assisted mid-call feature for speech and video session
9.7 MSC procedures for PS to CS dual radio access transfer of calls in an early phase
9.8 MSC server enhanced for dual radio access transfer using a SIP interface
9.9 EATF
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9 Roles for PS-CS access transfer Word‑p. 63
9.1 Introduction
9.1A Additional procedures with MSC Server assisted mid-call feature |R10|
9.2 SC UE Word‑p. 64
9.2.0 General |R10|
9.2.1 SC UE not using ICS procedures for PS to CS access transfer
9.2.1AAA SC UE not using ICS procedures for PS to CS access transfer of emergency session |R14| Word‑p. 66
9.2.1AA SC UE using ICS procedures for PS to CS access transfer |R11|
9.2.1A SC UE procedures for PS to CS access transfer with MSC server assisted mid-call feature |R10| Word‑p. 67
9.2.1B SC UE procedures for PS to CS access transfer with MSC server assisted mid-call feature for speech and video session |R10| Word‑p. 70
9.2.2 SC UE procedures for CS to PS access transfer Word‑p. 71
9.2.2.1 Distinction of request |R12|
9.2.2.2 SC UE procedure for transferring the first CS call |R12|
9.2.3 SC UE procedures for CS to PS access transfer with MSC server assisted mid-call feature |R10| Word‑p. 72
9.2.4 SC UE procedures for selecting a session in an early dialog phase to be transferred using PS to CS dual radio access transfer procedure |R12| Word‑p. 73
9.2.5 SC UE procedures for CS to PS dual radio access transfer of calls in an early phase |R12| Word‑p. 74
9.2.5.1 Conditions for CS to PS dual radio access transfer of calls in originating pre-alerting or in the alerting phase
9.2.5.2 SC UE procedure for CS to PS dual radio access transfer of calls in originating pre-alerting or in the alerting phase Word‑p. 75
9.2.5.3 SC UE procedures for transferring an additional CS session in an early phase Word‑p. 76
9.3 SCC AS Word‑p. 77
9.3.0 General |R10|
9.3.1 Distinction of requests sent to the SCC AS
9.3.2 SCC AS procedures for PS to CS access transfer
9.3.2A SCC AS procedures for PS to CS access transfer with MSC server assisted mid-call feature |R10| Word‑p. 81
9.3.3 SCC AS procedures for CS to PS access transfer Word‑p. 85
9.3.4 SCC AS procedures for CS to PS access transfer with MSC server assisted mid-call feature |R10| Word‑p. 86
9.3.5 SCC AS procedures for PS to CS dual radio access transfer of calls in an early dialog phase |R12| Word‑p. 88
9.3.5.1 Conditions for selecting a sessions in an early dialog phase
9.3.5.2 SCC AS procedures for PS to CS dual radio access transfer of a originating session in the alerting phase Word‑p. 89
9.3.5.3 SCC AS procedures for PS to CS dual radio, access transfer of a originating session in the pre-alerting phase Word‑p. 91
9.3.5.4 SCC AS procedures for PS to CS dual radio access transfer of an additional session in an early dialog phase Word‑p. 93
9.3.5.5 SCC AS procedures for PS to CS dual radio access transfer of a terminating session in the alerting phase Word‑p. 94
9.3.6 Removal of non-transferred audio media components and release of source access legs |R12| Word‑p. 95
9.3.7 SCC AS procedures for CS to PS dual radio access transfer for calls in an early phase |R12| Word‑p. 96
9.3.7.1 Conditions for transferring dialog(s) in the originating pre-alerting or the alerting dialog phase
9.3.7.2 SCC AS procedures for CS to PS dual radio access transfer for originating calls in pre-alerting phase or in alerting phase on the originating side
9.3.7.3 SCC AS procedures for CS to PS dual radio access transfer for a call in the alerting phase on the terminating side Word‑p. 98
9.3.7.4 SCC AS procedures for PS to CS dual radio access transfer of an additional session in an early dialog phase Word‑p. 99
9.4 MSC server enhanced for ICS |R9| Word‑p. 102
9.5 PS to CS session continuity with MSC server assisted mid-call feature |R10|
9.6 PS to CS session continuity with MSC server assisted mid-call feature for speech and video session |R10| Word‑p. 105
9.7 MSC procedures for PS to CS dual radio access transfer of calls in an early phase |R12|
9.8 MSC server enhanced for dual radio access transfer using a SIP interface |R12| Word‑p. 107
9.9 EATF |R14| Word‑p. 108
