0001047469-98-023473 S-4/A 6 19980609 NASD IDT CORP 0001005731 7373 223415036 DE 0731 S-4/A 33 333-50307 98644989 190 MAIN ST HACKENSACK NJ 07601 2019281000 294 STATE STREET HACKENSACK NJ 07601 S-4/A 1 000104746998023473-001-seq1-s-4-a.txt FORM S-4/A EX-12.1 2 000104746998023473-002-seq2-ex-12-1.txt EXHIBIT 12.1 EX-23.1 3 000104746998023473-003-seq3-ex-23-1.txt EXHIBIT 23.1 EX-23.2 4 000104746998023473-004-seq4-ex-23-2.txt EXHIBIT 23.2 EX-99.1 5 000104746998023473-005-seq5-ex-99-1.txt LETTER OF TRANSMITTAL EX-99.2 6 000104746998023473-006-seq6-ex-99-2.txt NOTICE OF GUARANTEED DELIVERY