is the unified identity used by the recording server to register with the SIP server and needs to be consistent with the configuration on SMC2.0. (Abbreviations).

When MiniMCU is cascaded, calls that exceed three cascades will fail. ()

A meeting can support up to ( ) group multi-screen. (Fill in the blanks)

The feed can only be displayed on the same monitor as the mainstream, not independently.

The Call-ID header field serves as a unique identifier for a collection of messages, and in a conversation, the Call-id must be the same in all the last requests sent by each UA. ( )