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Refer to the exhibit A collaboration engineer Inspects a packet flew between an IP phone and Cisco UCM by using Wireshark The IP phone that uses IP address 10.192 33.20 cannot register to Cisco UCM that has IP address 10 192 33 60 What is the cause of the issue?

Refer to the exhibit. An engineer is troubleshooting this video conference issue:

*A video call between a Cisco 9971 in Region1 and another Cisco 9971 in Region1 works.

*As soon as the Cisco 9971 in Region1 conferences in a Cisco 8945 in Region2. the Regio1l endpoint cannot see the Region2 endpoint video.

What is the cause of this issue?

What is an indicator of network congestion in VoIP communications?

Refer to the exhibit.

Drag and drop the flow step labels from the left into the correct order on the right to establish this call flow:

• User 1 calls user 2.

• User 2 answers the call

• user 2 disconnects the call