Zycoo is a professional manufacturer of VOIP, IP PBX products, IP phones, telephony cards etc
manufacturer of VOIP, IP PBX(FXO, FXS, GSM, E1, T1, BRI port), IP phones, telephony cards
OEM/ODM accepted, our website www.zycoo.com
contact email/MSN: jason.su@zycoo.com
TELES Communication Systems is a leading provider of equipment, solutions and services to fixed, fixed-mobile convergence and Next-Generation-Network (NGN) service providers. With more than 160 carrier network customers and millions of voice ports deploye
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