1K0-001 · Question #316
Which of the following are Call Establishment packets? (Select three of the following options.)
The correct answer is D. Setup E. Connect Acknowledged G. Alerting. See the full explanation below for the reasoning.
Question
Which of the following are Call Establishment packets? (Select three of the following options.)
Options
- AReceiver Ready
- BDisconnect Request
- CRelease Request
- DSetup
- EConnect Acknowledged
- FReceiver Not Ready
- GAlerting
- HRelease Complete
How the community answered
(32 responses)- A3% (1)
- C6% (2)
- D78% (25)
- H13% (4)
Community Discussion
4
Wesley A.Nov 4, 2025D, E, and G are your three Call Establishment packets: Setup initiates the call, Alerting tells the originating side the destination is ringing, and Connect Acknowledged confirms the connection is fully established end to end. The traps on this one are B, C, and H, which belong to Call Clearing, and A and F, which are flow control packets you will see in the data transfer phase.
Mateusz N.Nov 12, 2025Correct, Setup, Alerting, and Connect Acknowledged are the H.323 call establishment sequence.
Bao N.Oct 31, 2025Release Complete seals the deal, that is call establishment confirmed.
Mateusz N.Nov 1, 2025Bao, Release Complete is actually a teardown message, it signals the end of a call, not confirmation that one was set up. The correct markers for call establishment confirmed are D, E, and G, which cover the signaling exchange that actually brings the call up, not the one that tears it down.