To use NLOG properly, the FLASH plug-in must be installed or it cannot be used.

RTP is a real-time transmission control protocol: on a network service of multicast (multicast) or unicast (unicast). Provides end-to-end network transmission capabilities for applications to transmit real-time data such as audio, video or simulation dat a.

Illuminance, color temperature, white balance and color rendering index, these four indicators of light, have an important impact on the actual image effect of the video conference.

In multimedia services, RTP is used for real-time data packet transmission, and RTCP is used to detect the quality of service of an RTP session. ( )

Under the video service, for public network calls to the private network can be changed to private network calls to the public network, the public and private network traversal technology used is generally ( ).
(2 answers).