{"release":null,"nodes":[{"number":"29.527","type":"TS","title":"TISPAN; Endorsement of the SIP-ISUP Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks [3GPP TS 29.163 (Release 7), modified]","series":29,"status":"Under change control","initial_release":"Rel-8","primary_group":"C3","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1731"}],"edges":[]}