over billing

<p>i asked a question last week but have still not had a reply, so let me try again.</p> <p> </p> <p>how can vodacom over bill on your contracted amount when you end the month with data and minutes?</p> <p>how can vodacom bill over the set LIMIT you have set on your account?</p> <p>can you please resolve this as this is now taking too long.</p> <p> </p> <p>regards,</p>