The service often seen at different sites works in such a way that you need to enter your telephone number in a special window and after some seconds you and the company representative will receive a call, which will allow you communicating.
Zycoo is the leading manufacture of IP-PBX Products. Our products line including VoIP Phone, Telephony Cards and IP PBX.
With the high voice quality, stable performance and competitive price, our products have been adopted by many carriers and ISP fro