... 5mm headset jack caller ID, call waiting, hold, transfer, for-ward, 1) SIP 2.0, TCP/IP/UDP, RTP/ ... 264 (baseline) real-time video codec with video band-width from 32kbps – 1Mbps. 5)5.6in TFT color LCD, ... voice features including caller ID, call waiting, hold, transfer, for-ward, block, mute, autodial, off-hook dial, and click ... enabled, intercom, AES encryption. 300 degree voip video phone with USB port