Asterisk PBX and PHP Specialist

We are looking to install a CRM system called Kayako ([login to view URL]). We will be using the full installation, which integrates voip, email, and live chat. You must have experience with PHP, server set-up, voip set-up to install this for us. Some knowledge of HTML also needed, since the live chat and click to dial features must go on our websites. You can access the installation guide for Kayak, here: [login to view URL] NOTE: MUST HAVE EXPERTISE CUSTOMIZING ASTERISK PBX, AND BE ABLE TO INTEGRATE THE KAYAKO SYSTEM FULLY WITH ASTERISK, INCLUDING IVR, CALL RECORDING, AND UNLIMITED EXTENSIONS PER USER. Please bid a flat rate to complete this installation, and include the time you will need. Looking to start immediately. Thanks.