Shares of Openwave Systems ( OPWV) rallied in postclose trading Thursday after the provider of communications software and services reported better-than-expected revenue growth and reversed a year-ago loss.Redwood City, Calif.-based Openwave reported fiscal second-quarter net profit of $1.9 million, or 3 cents per share, compared to a net loss of $9.4 million, or 15 cents per diluted share, in the preceding year. Revenue rose to $93.5 million, a 30% jump vs. $71.8 million a year ago. On a so-called non-GAAP basis, excluding certain costs, latest-quarter earnings beat the consensus estimate by 3 cents a share. The revenue figure far exceeded the $85.66 million analysts were expecting, according to Thomson First Call. The stock rose 79 cents, or 5.3%, to $15.60 in after-hours trading.