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Spec	Title	Releases	WG
24.503	TISPAN; IP Multimedia Call Control Protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Stage 3 [3GPP TS 24.229 (Release 7), modified]	8.22.0	C1

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