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Cisco Exam 350-801 Topic 12 Question 65 Discussion

Actual exam question for Cisco's 350-801 exam
Question #: 65
Topic #: 12
[All 350-801 Questions]

Refer to exhibit.

Refer to the exhibit. When a UC Administrator is troubleshooting DTMF negotiated by this SIP INVITE, which two messages are examined next to further troubleshoot the issue? (Choose two.)

Show Suggested Answer Hide Answer
Suggested Answer: D

The Cisco Unified Communications Manager (CUCM) uses SIP Phone OAuth Port (5090) to listen for SIP line registration from Jabber OnPremise devices over TLS. However, CUCM uses SIP Mobile Remote Access Port (default 5091) to listen for SIP line registrations from Jabber over Expressway through mTLS. Both of these ports are configurable.


Contribute your Thoughts:

Suzan
2 months ago
I think the PRACK and UPDATE messages are the way to go here. Those are definitely involved in the SIP session negotiation process, which is what this question is all about.
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Tamar
1 months ago
I believe REGISTER and PRACK messages are the key messages to look at for troubleshooting DTMF negotiation in this SIP session.
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Josephine
1 months ago
Nichelle: That's a good point, those messages could provide valuable insights as well.
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Virgie
2 months ago
I think NOTIFY and SUBSCRIBE messages should also be examined to get a complete picture of the issue.
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Val
2 months ago
I agree, PRACK and UPDATE messages are crucial for troubleshooting DTMF negotiation in SIP sessions.
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Nichelle
2 months ago
User 2: I think NOTIFY and SUBSCRIBE messages should also be examined to get a complete picture of the issue.
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Luann
2 months ago
User 1: I agree, PRACK and UPDATE messages are crucial for troubleshooting DTMF negotiation.
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Kimberely
2 months ago
Aw, man, this question is tricky. I wish they'd just ask about something simple, like how many fingers I have. That's a DTMF I can handle!
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Laura
3 months ago
I'm not sure about this one. Maybe the SUBSCRIBE and NOTIFY messages are involved in DTMF negotiation, but I'm not confident. I guess I'll have to study up on SIP more before the exam.
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Evangelina
19 days ago
I'll make sure to review SIP messaging before the exam to feel more confident.
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Desirae
20 days ago
Yes, those are the correct messages to examine for troubleshooting DTMF negotiation.
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Cecily
24 days ago
I think you're right, SUBSCRIBE and NOTIFY messages are usually involved in DTMF negotiation.
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Ming
25 days ago
E) UPDATE
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Carey
1 months ago
D) NOTIFY
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Becky
1 months ago
C) PRACK
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Craig
2 months ago
B) SUBSCRIBE
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Gearldine
2 months ago
A) REGISTER
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Hoa
3 months ago
Hmm, the question is specifically asking about DTMF negotiation, so I'm thinking C and D might be the correct answers. The NOTIFY message is used to report events, which could be relevant for DTMF.
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Marg
2 months ago
Yes, NOTIFY and PRACK messages are important to examine when troubleshooting DTMF negotiation.
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Zona
2 months ago
I think you're right, C and D seem like the most relevant messages for troubleshooting DTMF negotiation.
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Lynda
3 months ago
I think option C and E are the two messages we need to examine next. The PRACK message is used for provisional responses, and the UPDATE message is used to update the session parameters.
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Iraida
3 months ago
I'm not sure about PRACK, but I believe NOTIFY is definitely one of the messages to look at.
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Flo
3 months ago
I agree with Tiera. PRACK and NOTIFY are crucial for troubleshooting DTMF.
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Tiera
3 months ago
I think the next messages to examine are PRACK and NOTIFY.
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