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Question 24 - MS-721 discussion
You have a Microsoft I earns deployment and an existing telephony solution that provides PSTN capability to on premises third-party PBX systems in two separate locations.
You need to implement a redundant PSTN solution for Microsoft Teams Phone. The solution must use the existing telephony earner services. The solution must ensure that outbound calls can be made if a component fails.
Which three components should you implement? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point
A.
highly available Session Border Controllers (SBCs)
B.
calling policies
C.
PSTN usages
D.
voice routing policies
E.
tenant dial plans
Your answer:
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