0000950131-98-002520 DEF 14A 1 19980519 19980410 NASD APAC TELESERVICES INC 0000949297 7389 362777140 IL 1231 DEF 14A 34 000-26786 98591615 ONE PARKWAY N CTR STE 510 DEERFIELD IL 60015 7089450055 425 SECOND ST S E P O BOX 3300 CEDAR RAPIDS IA 52406 APAC CORP 19950811 DEF 14A 1 000095013198002520-001-seq1-def-14a.txt NOTICE & PROXY STATEMENT