350-801 CLCOR: Implementing and Operating Cisco Collaboration Core TechnologiesDemo

By Cisco · Question Mode

QuestionQ180

Protocols and Endpoints

Question Image

Refer to the exhibit. Drag the call-flow labels into the correct order to establish this call flow:

  • User 1 calls User 2.
  • User 2 answers the call.
  • User 2 disconnects the call.
Drag & Drop
two-way voice path
100 Trying
180 Ringing
two-way RTP channel
Connect ACK
step 1
step 2
step 3
step 4
step 5
Explanation

A SIP call begins with INVITE, then the provisional 100 Trying and 180 Ringing responses. When the called user answers, 200 OK is acknowledged by Connect ACK. The PBX establishes the two-way voice path, while the two endpoints exchange media over the two-way RTP channel.

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