Bluetooth VoIP GP-712

Don't care systems and bands.Could use with GSM/CDMA/WCDMA/3G/3.5G various Bluetooth mobile phone. VoIP and Bluetooth Mobile fully integration. Compatible with SIP RFC543, RFC3261. Support UPLINK , DOWNLINK Routining. Support Voice report and Setting IP function. Offered Web Site for inquire or setting. Support SIP PROXY, or point to point application. Offered one stage ,two stage free dialing and call transfer function. Bluetooth with auto pairing and auto searching function. QoS and Digital Transmit. 2 SIP Account, 2 Bluetooth.