Any SIP message consists of a starting line, a header field, and a message body, and the header domain must end with CFLF (Carriage Return Line Feed).

Multicast, is a network technology that allows one or more senders (multicast sources) to send a single packet to the receiver (once, simultaneously).

The processing process of audio signal from input to playback mainly includes: analog audio signal input, sampling quantization/encoding, playback, decoding, transmission/ Storage.

The conference will not have a terminal when MCU is active and standby.

When an endpoint/MCU calls with a number, the ARQ call information does not include the following () of the following