Mediatrix 3731 - is a multifunctional device, which has unified VoIP IAD and Gateway in a secure and powerful platform. The device is perfectly suitable for a SIP trunking, PBX trunking, and PSTN solutions for VoIP equipment.
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.