Troubleshooting Cisco IP Telephony and Video (CTCOLLAB)

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Question 1 of 157

An IP phone that is connected through a Cisco Catalyst 3750 Series Switch is failing to register with the subscriber as a backup server. When the user presses the settings button on the phone, only the Cisco Unified Communications Manager publisher shows as registered. What is the most likely cause for this issue?

Answer

Suggested Answer

The suggested answer is B.

Question 2 of 157

Refer to the exhibit.

Exam 300-080: Question 2 - Image 1

An IP phone that is connected through a Cisco Catalyst 3750 Series Switch is failing to register with Cisco Unified Communications Manager. When the user presses the settings button on the phone, the Operational VLAN ID shows a blank entry. What is the MOST likely cause for this issue?

Answer

Suggested Answer

The suggested answer is D.

Question 3 of 157

You configured a Cisco ISR G2 as a SIP gateway, but the gateway does not show that it is registered with Cisco Unified Communications Manager. What is causing this issue?

Answer

Suggested Answer

The suggested answer is E.

Question 4 of 157

Which issue would cause an MGCP gateway to fail to register with Cisco Unified Communications Manager?

Answer

Suggested Answer

The suggested answer is B.

Question 5 of 157

Endpoints are configured for both H.323 and SIP using the same URI and Cisco VCS settings, but the endpoints register only as H.323 endpoints. What is causing this issue?

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