... (2.0) host ports, 2.5mm headset jack 3)Advanced Digital Signal Processing (DSP), Silence suppression, VAD, CNG, AEC, AGC.4 ... . 5)5.6in TFT color LCD, 180 degrees vertical rotation, 300 degrees horizontal rotation, advanced VGA resolution CMOS camera sensor, auto ... -line support, multi-party conferencing, headset enabled, intercom, AES encryption. 300 degree voip video phone with USB port