A call shop is a business that provides physical phones for the purpose of making long-distance telephone calls. There are two main types of call shop payment methods; prepaid and postpaid.
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