Caller id spoofing site. Asterisk?PHP

Looking for a service provider to design and develop a caller id spoofing site running on [login to view URL] using a PSTN service like [login to view URL] or something similar. A PHP script will dump a callfile ([login to view URL]) into /var/spool/asterisk/outgoing and bridge the two calls together.A script will be written to manage user accounts and accept [login to view URL] you do not know what caller id spoofing is go do a Google search on "caller id spoofing and go to [login to view URL] phonegangster.com. The basics of how we want the system set up is you buy a phone card from us(online or in person), you dial a number which ask you for a pin number which is supplied on the phone card or a online phone [login to view URL] system then prompts you for a destination phone number (10 digits in US) and a 10 digit number you want displayed on the receivers caller [login to view URL] back end should be able to change per minute cost and keep track of time sold and adjust according to useage,You should be voip and telephony experienced to accept this [login to view URL] you would like to propose a different system or OS please let me know in [login to view URL] asterisk system is based in the US and you will be able to access via remote access or [login to view URL] system will work on US phones. Once this system is up and running we will need to have the system work in the UK,Africa,South America and [login to view URL] course at an additional cost.