Provide wholesale international callback service in China for voip service providers and call shops. We offer competitive price and billing system to our wholeseller. We are using SS7 PSTN line and no connection fee to customers.
GSM/CDMA/UMTS Solutions
NRGTel is Germany based, most innovative developer and manufacturer of Next Generation (NG) telecommunication equipment. Our expertise is based on 20 yr. knowledge and experience of development and integration of different telec