Seeking Expert with Integrating Asterisk, VOIP, or Vicidial with Vtiger CRM 6.0

I am looking for a skilled developer who has skills in the following areas: Vtiger CRM, Symfony, Codeigniter, Asterisk, VoIP, Elastix, and/or PBX. Please be experienced in developing many web applications including web site,Vicidial, Asterisk, FreePBX, vTiger CRM ,Elastix Call Center Module,FreePBX and SocialEngine . I am looking for a vtiger expert.I require that you demonstrate that you have completed projects in vtiger. Specialties Web Developer especially in PHP.Have extensive knowledge on open sources like Wordpress,Code Igniter(MVC) Framework and CakePHP(MVC) , and Javascript,JQuery,JQUERY MOBILE , MYSQL(database designing and analysis) and VtigerCRM 6.