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Spec	Title	Releases	WG
23.221	Architectural requirements	18.0.0 17.0.0 16.2.0 15.1.0 14.2.0 13.0.0 12.0.0 11.3.0 10.3.0 9.5.0 8.9.0 7.2.0 6.3.0 5.11.0 4.2.0	S2

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