For one time advertising promotions or typical requests it is easier to use services of the outsourced call center. Main advantage of such a service is that the company who rents it is free from the necessity of keeping the operators and organizing their work flow.
InfiniRoute Networks Inc. provides fully managed Voice over IP (VoIP) peering services for wireline and wireless carriers who need PSTN-quality VoIP connections to high-growth traffic regions worldwide.