You are a network administrator at Certkiller . You are configuring SRST. You issue the ip source-address <ip address>[port<port #>]command.
What does this command do?

A.
It enables the router to receive SIP messages on the specified port.

B.
It enables the router to receive H.323 messages on the specified port.

C.
It enables the router to receive MGCP messages on the specified port.

D.
It enables the router to receive skinny messages on the specified port.