Avaya
3301 · Question #15
When initiating a simple SIP call, the SIP architecture uses an INVIII method message. Which two fields would you examine to determine that an INVITE message was initiated when tracing a SIP call?
The correct answer is D. Contact:, Cseq. See the full explanation below for the reasoning.
Question
When initiating a simple SIP call, the SIP architecture uses an INVIII method message. Which two fields would you examine to determine that an INVITE message was initiated when tracing a SIP call?
Options
- ACall-ID:, Contact:
- BRequest:, Cseq:
- CVia:, To:
- DContact:, Cseq:
- ERequest:, To:
How the community answered
(33 responses)- A3% (1)
- B6% (2)
- C15% (5)
- D73% (24)
- E3% (1)
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