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Spec	Title	Releases	WG
24.279	Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 3	18.0.0 17.0.0 16.0.0 15.0.0 14.1.0 13.1.0 12.1.0 11.2.0 10.2.1 9.2.0 8.4.0 7.7.0	C1

All information on this page is aggregated from the 3GPP Specfication Status Report page.