SIP Server starts successfully. However, its status on SCS is "Service Unavailable" and SIP Server distributes EventLinkDisconnected to clients.
Which of the following circumstances would be responsible for the status and EventLinkDisconnected message?
A . Stream Manager is not registered with SIP Server
B . Media Gateway is not registered with SIP Server
C . SIP Server fails to open the SIP port
D . The network is down
Answer: B