()The message indicates that the request cannot be implemented on any SIP server.

Regarding SMC3.0 networking, the following description is correct ().

In T1, T2, T3, T4 four-point meetings using the 96XX Series MCUs, manually set up the venue T1 After T2 and T3 form three screens, after the venue T1 leaves the meeting, the position of the atomic screen T1 will be ().

RAS (Registration Admission and Status) is a collection of signaling for interactions between ( ) .

In a fully adapted MCU conference, the MCU allocates image codec resources to each venue individually.