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.
In the specification for RTP (RFC 3550), a total of () RTCP reports are defined as used to report current control information. (Fill in the blanks)
H.245 The main signaling consists of ( ). (Select 3 answers).
Dialogs can be divided into INVITE transactions and non-INVITE transactions, where the INVITE transaction in turn includes a request message and a response message.
TESTED 21 Nov 2024
