How to config. QoS on Edimax AR-7284WnA?

Hi,

I would like to ask how to configure QoS on Edimax AR-7284WnA for the following:

1. HTTP general browsing must be the first priority.

2. Voice communication such as Skype and SIP come in second.

3. P2P service should have the lowest priority.

Could anyone help on this?

Thanks