The arrangement of lamps and lanterns requires direct illumination to avoid diffuse reflection.

For FEC, When both parties establish a call and the packet loss in media stream exceeds 0.1% within 10s, the FEC function is enabled. FEC separates some bandwidth from the call bandwidth to transmit anti-dropping redundant stream. ( )

A SIP message consists of a start-line, a header consisting of one or more fields (riold), a blank line (CRLF) that marks the end of the header, and an optional message body (message boby) composition.

Network recording and broadcasting services during the meeting, in addition to record meeting content, can also be viewed in real-time through the live client. ( )

Which of the following protocols belong to encapsulation transport protocol ? ( ) (Choose 3 answers)

Network recording supports downloading the recording file to the local area in ( ) format, and supports local playback.

The Huawei NLOG software is part of the conference scheduling and management software, and is installed and used together with the SMC conference management software.