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.
TalkFree provides VoIP products to make high quality, low cost communications around the world. Our products support PC, Landline, ATA, and a wide variety of Mobile phones including Nokia, iPhone, and Android