Never response

I GOT THERE SERVICE ON JAN 6 2009. BUT GOT MALFUNTION PHONE ADAPTOR I ASKED FOR NEW ONE AND I GOT ANOTHER AFTER 10 DAYS AMD THAT TOO WORKED FOR ONLY 2 DAYS AND IT AGAIN STOPPED WORKING . I ASKED THEM WHAT IS THE PROBLEM THEN THEY SAID I HAVE TO SUBMIT TROUBLE TCKET FROM THERE WEBSITE AND I DID BUT ITS MORE THAN 20 DAYS AND NO ONE REPLIED ME BACK I CALLED THEM AGAIN BUT THEY SAID SOMEONE WILL CALL ME AND STILL 10 DAYS PASSED NO ONE CALLED .I AM GOING TO STOP USING THERE SERVICE .BUT I WENT THROUGH VERY MENTAL TENSION .