{"release":"Rel-15","nodes":[{"number":"29.328","type":"TS","title":"IP Multimedia (IM) Subsystem Sh interface; Signalling flows and message contents","series":29,"status":"Under change control","initial_release":"Rel-5","primary_group":"C4","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1706"}],"edges":[]}