Question
Your company has offices in Paris and London.
You are migrating from an on-premises PBX telephony solution to a Microsoft Teams Phone deployment that uses Direct Routing. You plan to use the existing telephony carrier. The new solution will provide telephony services to users in both offices.
You need to recommend a solution that is the most resistant to possible failures. The solution must ensure that calls are routed through each user's respective office.
Which two actions should you include in the recommendation? Each correct answer presents part of the solution.
- A. Configure voice routing policies for each office. Correct
- B. Configure a single voice routing policy for all users.
- C. Deploy a highly available Session Border Controller (SBC) pair to each office. Correct
- D. Deploy one Session Border Controller (SBC) to each office. Configure the SBCs as a high-availability pair.
Explanation
A separate voice routing policy per office lets each office's users use PSTN usages and voice routes that point to their own office's SBCs, so calls break out locally. Deploying a highly available SBC pair in each office means the loss of one SBC does not take down calling for that office. A single routing policy cannot send Paris and London users through different SBCs, and pairing one Paris SBC with one London SBC leaves each office with a single local SBC and sends failover calls through the other office.
