Cisco 400-051 Exam

Which description of the expected behavior of a SIP User Agent Client that received a reliable provisional response that contains an offer is true?

  • A. The UAC must include an answer in a PRACK
  • B. The UAC must include an answer in a PRACKACK
  • C. The UAC may include an answer in PRACKACK
  • D. The UAC may include an answer in PRACK
  • E. The UAC may include an answer in ACK
Answer: Option D.
Explanation: 
No answer description available for this question

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