Pos With Ax 2009

Hi Guys,

I am new to AX. Our company develops AX projects for our clients. Now, we are planing to introduce POS to our client. I was given a task to install/integrate POS into AX 2009. So pls help me for the following details

1). How to integrate POS in AX

2). Do we need to buy any Licenses or any 3 rd party software to develop projects in POS

3). Any good site where i could start R&D on Dynamics POS for introduction