call center list need which uses VoIP services for calling

Hi we have VoIP services to offer hence we are looking for the list of call centers ( Indian and International). List must Include Owner Name, Phone , address, Email, website (if any). list should have 80% Indian and 20% International. I need accurate records so you are willing to fool then do not bid here. I need sample before project award and payment will be release after full satisfaction. Budget : $10/5K Do not spam here. No time waster needed. Thanks