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Exam MS-720 topic 3 question 6 discussion

Actual exam question from Microsoft's MS-720

Question #: 6
Topic #: 3

You have a Microsoft Teams Phone deployment.
You need to implement Local Media Optimization for Direct Routing users at a site.
Users at the site frequently perform the following actions:
✑ Park calls.
✑ Place calls on hold.
✑ Transfer calls to other users.
✑ Escalate calls to conference calls.
Which action will be affected by implementing Local Media Optimization?

A. Park calls.
B. Transfer calls to other users.
C. Escalate calls to conference calls.
D. Place calls on hold.

Show Suggested Answer

Suggested Answer: C 🗳️

by Cbruce at Jan. 25, 2022, 10:29 p.m.

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Sudhir1983

Highly Voted 3 years, 4 months ago

Correct answer Call escalations from 1 to 1 call between internal customers to multiparty call with external customer/resource result in dropped calls Held call when resumed, call does not disconnect, call works through Proxy SBC but LMO will stop working for this call.

upvoted 10 times

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prabu456

Most Recent 2 years, 4 months ago

Selected Answer: C

escalation to conf will be affected. on hold will work but when resumed LMO won't be effective.

upvoted 2 times

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[Removed]

2 years, 4 months ago

Selected Answer: C

C is correct

upvoted 1 times

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Tyffty

3 years, 1 month ago

Selected Answer: C

I'm going with C. The article from MS states that both C and D are correct. Maybe it's multiple answers, but this question doesn't line up.

upvoted 2 times

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CuriousTech

3 years, 3 months ago

I would also say that A Call park is affected. Because it is hosted in the cloud. In the same link it says: Voice apps (e.g. Auto Attendant, Call Queue) do not work. LMO does not support Voice Apps, as they reside in the cloud and require external connectivity. No workaround for now.

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Parlfjard

3 years, 3 months ago

So, the answer should be D? :)

upvoted 1 times

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Shredst0r

3 years, 4 months ago

Should be all impacterd according to the LMO known issues article, right? Maybe transfer is ok.

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Lukas2100

3 years, 5 months ago

Selected Answer: D

Ms link under Known issues

upvoted 3 times

Iamrandom

3 years, 4 months ago

You need to read more carefully: When a user parks a call to initiate music on hold (MoH), it is being escalated from 1:1 to a multiparty call by the Call Controller to invoke Media Controller and Media Processor (serving as AVMCU mixer) through which MoH reaches a user who has been put on hold. De-escalation to a 1:1 call after the call resumes never happens as per design. Disable Local Media Optimization on the Direct Routing SBC. This doesn't seem an issue at all... you will just have audio anchored to media processor after resume. But it will work. While on the other hand: Call escalations from 1 to 1 call between internal customers to multiparty call with external customer/resource result in *dropped calls* (AH-AH! THERE YOU GO!) Work in progress on a fix. Alternatively, disable Local Media Optimization on the Direct Routing SBC. The other option is that it's a multiple-select questions, so both are good.

upvoted 5 times

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Cbruce

3 years, 5 months ago

Selected Answer: D

When a user parks a call to initiate music on hold (MoH), it is being escalated from 1:1 to a multiparty call by the Call Controller to invoke Media Controller and Media Processor (serving as AVMCU mixer) through which MoH reaches a user who has been put on hold. De-escalation to a 1:1 call after the call resumes never happens as per design. Disable Local Media Optimization on the Direct Routing SBC.

upvoted 1 times

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