Is one of message forms via the Internet; you only have to press the icon or button on the site and the connection with the operator will follow immediately. This function is often used on the websites for a quick connection.
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