AT&T queried records from 01/01/2002 to 12/31/2006 for voice usage, using Eastern Time Zone. Records are stored in UTC. The document contains call details including originating and dialed numbers, elapsed time, and countries involved.
doj/DataSet10/EFTA01264396.pdf
{"title":"AT&T International Call Detail Records","document_date":"2019-06-18","document_type":"tabular","key_locations":["USA","France","Guyana"],"document_subtype":"call detail records","key_organizations":["AT&T"],"reference_numbers":["2750182","SDNY_GM_00002175","EFTA_00116251","EFTA01264396"]}