Konftel 300IP - connects to VoIP-lines via SIP protocol. This phone is equipped with advanced features that allow making more efficient conference calls. For example, you can record and store records of meetings using the memory of SD card.
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.