In the SIP session service, in which of the following ways does the called terminal realize the interaction of media capabilities?

In the SIP session service, in which of the following ways does the called terminal realize the interaction of media capabilities?
A . In the 100trying message, the called SDP media capability is carried.
B . In the 180 or 183 session progress, the called SDP media capability is carried
C . The 200OK message carries the called SDP media capabilities.
D . Acknowledge in ACK message

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Answer: C