Features:

Standard of video communications: ITU-T H.323V4 /SIP(RFC 3261)

Standard of video format: ITU-T H.263/H.264

Standard of audio format: ITU-T G.711/ G.723.1A/G.729

Standard of network transmission: TCP/IP, DHCP, DNS, PPPoE,

RTP, RTCP, NAT, UDP, TFTP, HTTP, STUN&NTP

Transmission Rate: 64kbit -640kbit

Support bandwidth settings.

Video-quality

Image Resolution: QCIF (176×144)/CIF (352×288)

Video Frame Rate: Maximal 30 frame /sec.

Audio-quality

The mute detection  

ANS

AEC is suitable for the offset of the jerky movement

Support the way of handset speaking

Built-in loudspeaker and microphone

Support Handfree speaking

User Interface

Language of the screen menu: simplified Chinese character/English

Environmental Requirements

Temperature: 0~45

Relative humidity: 10%~90%

Electrical Characteristics:

Working voltage: 110V~220V AC

Operating frequency: 50Hz / 60 Hz

Maximal power waste: 12W

Built-in camera

Type of image sensor of the built-in camera: 300,000 pixel  1/4 CCD

LCD screen

LCD Type: Built-in 7-inch TFT

Overall Dimension: 255mm (length)×200mm (width)×85mm  (height)

Weight: 1.3Kg

7" VoIP Video Phone,PC less Video Phone,SIP and H323 Video Phone