{"release":null,"nodes":[{"number":"29.006","type":"TS","title":"Interworking between a PLMN and the ISDN or PSTN for support of Packet Switched data transmission services","series":29,"status":"Withdrawn under change control","initial_release":"Release 1999","primary_group":"N3","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1588"}],"edges":[]}