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Content for  TS 23.216  Word version:  17.1.0

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5.2.4  3GPP UTRAN/GERAN to 3GPP E-UTRAN or UTRAN (HSPA) SRVCC architecture |R11|p. 24

This specification introduces an additional function to those defined in the E-UTRAN architecture TS 23.401 for SRVCC. This additional function is provided by the MSC Server (i.e., MSC Server enhanced for CS to PS SRVCC).
Copy of original 3GPP image for 3GPP TS 23.216, Fig. 5.2.4: CS to PS SRVCC architecture for UTRAN/GERAN to 3GPP E-UTRAN
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5.2.5  3GPP GERAN to 3GPP UTRAN (HSPA) SRVCC architecture |R11|p. 25

This specification introduces an additional function to those defined in the UTRAN architecture TS 23.060 for CS to PS SRVCC. This additional function is provided by the MSC Server (i.e., MSC Server enhanced for CS to PS SRVCC).
Copy of original 3GPP image for 3GPP TS 23.216, Fig. 5.2.5-1: CS to PS SRVCC architecture for 3GPP GERAN to UTRAN (HSPA) with Gn based SGSN
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Copy of original 3GPP image for 3GPP TS 23.216, Fig. 5.2.5-2: CS to PS SRVCC architecture for 3GPP GERAN to UTRAN (HSPA) with S4 based SGSN
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5.2.6  NG-RAN to 3GPP UTRAN 5G-SRVCC architecture |R16|p. 26

This specification introduces an additional function to those defined in the 5GC architecture in TS 23.501 for 5G-SRVCC. This additional function is provided by the MSC Server (i.e., MSC Server enhanced for SRVCC) and the MME_SRVCC.
Copy of original 3GPP image for 3GPP TS 23.216, Fig. 5.2.6-1: 5G-SRVCC architecture for NG-RAN to 3GPP UTRAN
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