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Spec	Title	Releases	WG
24.391	Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem (IMS) Management Object (MO)	19.0.0 18.0.0 17.0.0 16.0.0 15.0.0 14.0.0 13.0.0 12.2.0	C1

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