{"release":"Rel-7","nodes":[{"number":"23.509","type":"TS","title":"TISPAN; NGN Architecture to support emergency communication from citizen to authority [Endorsed document 3GPP TS 23.167, Release 7]","series":23,"status":"Under change control","initial_release":"Rel-7","primary_group":"S2","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=857"}],"edges":[]}