300-820 practice question 1 of 30

Which complication does a NAT introduce in SDP for a SIP call?

Full set: 207 questions
Answer options
A: Additional headers due to NAT encapsulation can cause the packet size to exceed the MTU.
B: When the client is behind a NAT they may be unable to determine the appropriate offset due to time zones.
C: The IP address specified in the connection data field may be an unrouteable internal address. Correct answer
D: The encryption keys advertised in the SDP are only valid for clients not behind a NAT.
Correct Answer:
C. The IP address specified in the connection data field may be an unrouteable internal address.
Explanation

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