SIP Compliant and Protocols
Support SIP 2.0, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP (both client and server), PPPoE, TFTP, NTP, TLS (pending).

Networking Interfaces
Support dual 10M/100M auto-sensing Ethernet ports configurable to operate in either switch or router mode. Support 2 USB (2.0) host ports, 1 audio and 1 video output jack and headset jack

Advanced Video
Powerful video DSP with advanced adaptive jitter control and packet loss concealment technology to ensure superb audio and video quality.

Video Codec
Support H.263 and advanced H.264 base line real-time video codec (at CIF or QVGA resolution and up to 30 frames/second) Anti-flickering, auto focus and auto exposure, zoom, PIP (Picture-in-Picture), audio mute and camera block (for privacy), still picture capture/store/send (VGA Resolution)

Advanced Features
Support popular telephony features including 3 line indicators, full-duplex hands free speakerphone, 3-way conference, voicemail, video/audio conference, transfer, mute, etc.
High-quality 2-way real-time video
High fidelity video quality at bandwidths between 64kbps to 1Mbps
Crisp picture quality
Adjustable advanced VGA resolution camera
Razor-thin 5.6 inch TFT color LCD display and 2-D movement (vertical/horizontal)
3-way conferencing
Optical and digital zoom, auto-focus, auto exposure
Picture-in-picture
Custom ring tones