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).
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).
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.