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Spec	Title	Releases	WG
24.294	IP Multimedia Subsystem (IMS) Centralized Services (ICS) protocol via I1 interface	19.0.0 18.0.0 17.0.0 16.0.0 15.0.0 14.0.0 13.0.0 12.0.0 11.0.0 10.1.0 9.6.0	C1

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