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Cisco 300-815 Exam - Topic 14 Question 70 Discussion

Cisco SIP IP telephony is implemented on two floors of your company. Afterward, users report intermittent voice issues in calls established between floors. All calls are established, and sometimes they work well, but sometimes there is one-way audio or no audio. You determine that there is a firewall between the floors, and the administrator reports that it is allowing SIP signaling and UDP ports from 20000 to 22000 bidirectionally. What are two possible solutions? (Choose two.)
C) Ask the firewall administrator to change the range of UDP ports to 16384-32767.
A) Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 16384-32767
B) Ask the firewall administrator to change the ports to TCP.
D) Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 20000-22000.
E) Go to System Parameters in Cisco Unified Communications Manager and change the range of media ports to 20000-22000.

Cisco 300-815 Exam - Topic 14 Question 70 Discussion

Actual exam question for Cisco's 300-815 exam
Question #: 70
Topic #: 14
[All 300-815 Questions]

Cisco SIP IP telephony is implemented on two floors of your company. Afterward, users report intermittent voice issues in calls established between floors. All calls are established, and sometimes they work well, but sometimes there is one-way audio or no audio. You determine that there is a firewall between the floors, and the administrator reports that it is allowing SIP signaling and UDP ports from 20000 to 22000 bidirectionally. What are two possible solutions? (Choose two.)

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Suggested Answer: C

by Leota at May 27, 2023, 11:35 PM

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Gwenn
10 months ago
I think option C is the best choice here!
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Francesco
10 months ago
Wait, are we sure the firewall is the only issue?
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Natalie
10 months ago
Why would we switch to TCP? That doesn't make sense for SIP.
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Evan
11 months ago
I agree, the current port range seems too narrow.
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Ria
11 months ago
Changing media ports to 16384-32767 could fix the audio issues.
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Yolande
11 months ago
I don't think TCP is the right approach for voice traffic, so option B seems off to me.
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Bettina
11 months ago
I feel like changing the SIP profile settings could be a solution, but I'm confused about whether to go with option A or D.
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Ernest
11 months ago
I think we practiced a similar question where changing the UDP ports helped resolve audio issues. Could it be option C?
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Aron
11 months ago
I remember something about adjusting media port ranges, but I'm not sure if 16384-32767 is the right choice here.
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Jill
11 months ago
Okay, I think I've got this. The key is to find the topology that minimizes the overall fiber cost while maintaining redundant paths between all node pairs. I'll work through the options systematically.
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Lashaunda
11 months ago
I'm not totally sure about this one. I'll have to think it through carefully and make sure I understand the distinction between the tenant name and domain.
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Marilynn
1 year ago
Option D seems a bit too specific. Why not just go with the broader range in option A?
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Hillary
1 year ago
Option D might limit the ports too much, so A and C could be better options.
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Terrilyn
1 year ago
C) Ask the firewall administrator to change the range of UDP ports to 16384-32767
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Lezlie
1 year ago
A) Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 16384-32767
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France
1 year ago
Option C looks promising, but I'd want to double-check that the firewall can actually handle that larger port range.
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Loreen
1 year ago
D) Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 20000-22000
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German
1 year ago
Option C sounds like a good idea. It's worth confirming with the firewall admin.
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Adelle
1 year ago
C) Ask the firewall administrator to change the range of UDP ports to 16384-32767
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Yun
1 year ago
A) Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 16384-32767
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Elly
1 year ago
I agree, it's worth checking if the firewall can handle the larger port range before making any changes.
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Katina
1 year ago
If that doesn't work, we can also consider changing the range of media ports in the SIP profile.
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Chandra
1 year ago
Let's try option C first and see if it solves the issue.
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Ricarda
1 year ago
Haha, option E is a classic 'let me fix it by changing something unrelated' move. Classic IT troubleshooting!
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Clement
1 year ago
I'm not sure why they would want to change the ports to TCP. SIP uses UDP, so option B doesn't seem like the right solution.
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Lyndia
1 year ago
I'm not sure about changing the ports to TCP. I think sticking with UDP but changing the range might be the way to go.
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Floyd
1 year ago
Option A seems like the most logical choice. Increasing the media port range in the SIP profile should allow for more flexibility and address the intermittent voice issues.
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Edda
1 year ago
C) Ask the firewall administrator to change the range of UDP ports to 16384-32767.
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Edda
1 year ago
A) Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 16384-32767
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Alline
1 year ago
I agree with Roosevelt. Changing the range of media ports in the SIP profile or asking the firewall admin to change the UDP ports could help.
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Roosevelt
1 year ago
I think the possible solutions could be A and C.
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