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.
Easytone Technology, Inc. (Hongkong), launched in 1997, is dedicated to the system integration of Internet/IP-Network Voice Solutions and value-added services among datacom and telecom fields.