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capability negotiation is primarily used to declare the receiving and sending capabilities supported by this side. When declaring the priority capability set of this end, the other party needs to prioritize the use of the ability set.

A.

True

B.

False

Banners and subtitles are transmitted in multicast mode.

A.

True

B.

False

Which of the following in the header domain is used to represent the SIP entity through which the request passes and the route response?

A.

T

B.

Via

C.

CSeq

D.

From

In the SIP protocol, when the response message is "1xx", it means that the request message has been received and is being processed.

A.

True

B.

False

Users can call the IP address of the MCU, enter the conference lobby, and create a video IVR according to the IVR prompts Of meetings ().

A.

True

B.

False

Video conference room integration refers to the end-to-end solution () that uses corresponding equipment to meet the user's requirements for various scenarios in the conference room in accordance with certain design principles in the construction of the conference room

A.

True

B.

False

The 598.Q.931 protocol is the protocol used for information exchange between the gateway and the gatekeeper, and is primarily responsible for signaling processing during the call.

A.

True

B.

False

Adhoc Conferencing is a conferencing mode that allows you to create and join a meeting on the terminal side without an administrator.

A.

True

B.

False

By viewing the system information of Huawei terminals, we can view specifications such as voice, image, interface, and bandwidth.

A.

True

B.

False

The ( ) function in Wireshark visualizes the conversational communication process graphically.

Small A found that the image is not clear and the overall image is dark when holding a video conference, please analyze it in combination with the optical principles of video conference construction, which of the following is the most likely cause?

A.

Network instability

B.

The light is too bright

C.

Insufficient illuminance

D.

There is a strong signal source around the interference

In the hierarchical relationship of SIP structure, what are the following main items of the request message?

A.

Non-INVIT transaction

B.

Request line/Response line

C.

header field

D.

Message Body

A high-definition video terminal (referred to as a terminal) is a codec that processes audio and video code streams and data code streams.

A.

True

B.

False

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.

A.

True

B.

False

What are the following message interactions included in the process of a terminal calling by number using the H.323 protocol?

A.

Connect

B.

ACF

C.

Setup

D.

ARQ