At the heart of the NAT mapping is the modification of the destination address of the datagram header. ( )
Wireshark is a network packet analysis tool whose main role is to capture network packets in real time on the interface and display the detailed protocol information of the packets in detail. ( )
The Network Diagnostic Tool supports initiating diagnostic tests from the Public Network to the Private Network Diagnostic Tool.
Color temperature affects the white balance of the camera, and where the color temperature is complex, the image can be cast.
The role of MP is to complete the interaction of control information with the conference TV terminal.
If you accidentally drop the meeting in the terminal meeting, you can join the meeting by calling the special service number.
SIP is an application layer protocol that is independent of the transport layer protocols below and can be hosted on different transport protocols, such as UDP/TCP/TLS/SCTP, currently Most commonly used
TCP. ( )
During a point-to-point number call, GK receives two call requests.
The video signal starts from the input terminal device, is encoded and compressed and sent to the network, and finally displays, and has undergone many image processing links in the middle, mainly
including: IP Camera, pre-processing, compression encoding, data encapsulation and transmission, decoding, image format variation , broadcast. ( )
H.323 gateway refers to a node that provides real-time two-way traffic between the H.323 terminal on the SCN and other nodes on the PBN.
Where the illumination is not enough, the image noise is low, and the image is dark.
H.323 During the call flow, the MCU records the registered address of the terminal.
T140 captions are sent separately to the remote venue, displayed on the remote venue monitor, and superimposed on the local video image.
The wall riding scheme is a simple public and private network crossing method, which connects different network ports of the MCU in different networks to realize the terminals in different networks to access
the same conference.
AN INVITE transaction consists of a three-way handshake. The client transaction sends INVITE, the server transaction sends the response, and the client transaction sends an ACK, ( ).
