 In 2006 , Comverse was involved in an options backdating scandal . Alexander and two other top executives were charged in the US with multiple counts of conspiracy , fraud , money laundering and making false filings . Alexander fled the country to Namibia where he engaged in a prolonged fight against extradition . The scandal proved difficult for Comverse Technology to recover from ; the company was delisted from Nasdaq , removed from the S & P 500 , and spent the next several years consumed by the costly need to restate its financial reports for several years . Additionally affected by the financial crisis of 2008 and on and changes in the mobile phone market , the company underwent several rounds of large @-@ scale layoffs and sold off parts of its business . By 2011 the company began a turnaround . 
