asterisk +freepbx setup

Here are our requirements:- Asterisk +freepbx 1, we need to create a extension and play greeting press 1 for sales 2 for support 3 for accounts etc. 2, when the user clicks any of the extension it goes to followme module where it checks 2-3 numbers in the list and fwd the calls, basically the greeting is dummy but need user input for professional look. 3, the end user should be able to configure his followme numbers via web login, he doesn’t need to change his greeting 4, we shd be able to map a did to the above extension. 5, basically this is a multitenant pbx dummy. Can you pls quote for above requirements , you need to provide a user manual for doing the above task and a common trouble shooting FAQ. payment will only be release after 25% completion on 25% completion 25% payment 50%-50% 100%-100%