Search for a 3GPP Specification (number and/or title):  

Download results in JSON format

Spec	Title	Releases	WG
29.658	SIP Transfer of IP Multimedia Service Tariff Information; Protocol specification	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 9.1.0 8.5.0	C3

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