Shenzhen Roytel Technology., Ltd is a leading developer and manufacturer of VoIP equipments IP telephony services/solutions in China, starting from 2003 year. We offer wide range products including PBX, E1/T1 trunk gateway, signaling gateway/convert, FXS/FXO SIP soft switch platform, ...
Telephone:System Fxs Fxo Gatew
Address:Shenzhen, Guangdong, China