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Spec	Title	Releases	WG
24.080	Mobile radio interface layer 3 supplementary services specification; Formats and coding	18.3.0 17.3.0 16.5.0 15.1.0 14.2.0 13.0.0 12.0.0 11.0.0 10.0.0 9.2.0 8.1.0 7.4.0 6.3.0 5.5.0 4.4.0 3.7.1	C4

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