门禁可视对讲供应商 可视对讲门禁系统 IP防水门禁机

Video codecs:H.263, H264, MPEG4

分辨率: QCIF,CIF,QVGA

图像格式: PEG GIF and BMP PNG

Video formats: MP4, 3 GP and FLV

Echo cancellation: G.168 compatible with the LEC, including hands-free(AEC)

VGS, VAD,CNG,Jitter buffer

支持双工对讲

Possibility of registering a domain or implementation of SIP calls Peer to peer

支持STUN

支持SIP SMS

Adjusting the volume in all modes(headset/handsefree/headsetwire/bell)

对比度 1000 : 1

亮度 : 450cd/m²

视角 : 178 degrees horizontal / 178 degrees vertical (at contrast ratio of 10:1)

 Screen orientation Portrait instead of landscape.