Asterisk / Trixbox on Virtual Server

I need to setup a callback system, with asterisk/trixbox, i need to include auto attentants, fax to email, and also multiple routes. from atleast 2 different providers. i need to have the ani, sms, web callback features. this system needs to support atleast upto 500. with call recording, crm, and also software for billing support. please help me. thank you ## Deliverables i need to have this full functional and delivered and test. this has to be stable and be able to have no errors before the contract is fulfilled.