Cisco Exam 300-815 Topic 4 Question 109 Discussion

Actual exam question for Cisco's 300-815 exam

Question #: 109
Topic #: 4

Refer to the exhibit.

An engineer is troubleshooting an issue where inbound calls to Cisco UCM with early media fail to establish. While investigating the issue, the engineer finds that Cisco UCM is set to require a PRACK. but the Cisco Unified Border Element is not sending it. Which command is causing this issue?

Avoice-class sip rel1xx disable

Bvoice-class sip early-media update block

Cvoice-class midcall-signaling block

Dvoice-class sip conn-reuse

Show Suggested Answer

Suggested Answer: A

by Matt at Apr 05, 2025, 03:03 AM

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Sabine

1 months ago

Haha, the engineers must be having a real headache with this one. I'd say option C, the voice-class midcall-signaling block command, is the way to go. It's probably causing some issues with the early media.

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Andrew

7 days ago

Maybe they should try disabling it and see if that fixes the issue.

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Arminda

1 months ago

Yeah, that command could be causing the problem.

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Bok

1 months ago

I think option C is the culprit here.

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Lera

2 months ago

Hmm, this seems like a tricky one. I'm going to go with option B, the voice-class sip early-media update block command. It sounds like it could be the culprit here.

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Ciara

1 months ago

User 3: Maybe we should try disabling that command to see if it resolves the problem.

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Percy

1 months ago

User 2: I agree, that command could be causing the issue.

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Evangelina

1 months ago

User 1: I think option B is the right choice.

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Vonda

2 months ago

But if early media is failing to establish, blocking early media updates with option B could be the issue.

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Octavio

2 months ago

I think the issue is with the voice-class sip rel1xx disable command. The Cisco UCM is set to require a PRACK, but the CUBE is not sending it due to this command.

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