{"release":null,"nodes":[{"number":"23.508","type":"TS","title":"TISPAN; Presence Service; Architecture and functional description [Endorsement of 3GPP TS 23.141 and OMA-AD-Presence_SIMPLE-V1_0]","series":23,"status":"Under change control","initial_release":"Rel-7","primary_group":"S2","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=856"}],"edges":[]}