INTERNET FAULTY AGAIN AND AGAIN

ONGOING ISSUE OF INTERNET SPEED NOT CONSTANT DROPPING INTERMITTENT TO SPEEDS NOT ACCEPTABLE CAUSE IT HAPPENS ONCE TO OFTEN DURING THE DAY AND THEN NO ONE IS ACTUALLY BUSY ON INTERNET I COMPLAINED A FEW TIMES NOW BUT IT DOESN'T GET FIXED.I AM VERY FRUSTRATED REGARDING THIS.I MAILED SPEED TEST TO SUPPORT AT VOX BUT NOBODY CALLED OR ADVISE AS YET!