Asterisk IP PBX Develop

VOIP provider looking for multi-tenant pbx What we want is something like a multi-tenant freepbx: MULTI-TENANT PBX REQUIEREMENTS PBX FEATURED MULTI-TENANT - Support for unlimited extensions - IVR menus - Voicemail, and Voicemail to email per extension - Time conditions - Ring groups - Call Conferencing - Fax facilities - Portuguese Language - Web based management interface - Follow me - Blacklist DID - SIP Trunk definitions - Incoming DID - Call routing - Call details (without billing) -Web-Based Tenant Interface - Call Recording with the ability to limit storage per tenant - Ability for Tenant to easily FTP the recordings _ and antohers ADMINISTRATOR - Web based management interface - Enable/disable features per PBX or groups We have a vested interest in the development of an IP PBX solution that has the same features of the solution below. Our focus is to assist companies that have need to have a central PBX to Asterisk fully developed and can saw through the administration GUI Intarface easily provide a complete management platform. More Details (needed) Automatic Call Router Predictive Dialer monitoring of ongoing calls Automatic Call Distributor. Intelligent queue Rooms Conferences Mailbox with redirection to E-Mail follow Procedure follow External Call-Back: Intelligent Direct Dial Extension Several operators Penel System Chief Secretary Lock System by Extension System using outside line through a password Intelligent Recording System Configuration, maintenance and operation via Web Interface (GUI) Various levels of access Intelligent IVR and cascateaveis Auto Receive FAX Support for multiple exit routes, with priority setting Dash Board, IPBX operation shows real-time Web Server has built-in email Alarm warning system via E-Mail Automated Backup System Supports many VOIP providers Enables incoming VOIP lines (DID) Or look more [login to view URL] We would like you look at the following IP PBX to use it as a basis for this project. We would like to have 3 lines of IP PBX that can support the following needs: Hardware 1 - up to 75 simultaneous calls Hardware 2 - Up to 150 simultaneous calls Hardware 3 - Up to 250 simultaneous calls And the hardware required for these specifications and requirement. Thanks