You have a Microsoft Teams Phone deployment. You are deploying a new remote site. You have a Session Border Controller (SBC) that has an E1/T1 Primary Rate Interface (PRI) deployed to the remote…

Question

Options

• Acall queues in Microsoft Teams
• Baudio conferencing in Microsoft Teams
• CMicrosoft Teams panels
• DMicrosoft Teams Windows desktops

• A
  4% (2)
• B
  18% (9)
• C
  6% (3)
• D
  71% (35)

Explanation

A Survivable Branch Appliance (SBA) is designed to maintain basic PSTN calling for Microsoft Teams clients - specifically Windows, Mac, and mobile endpoints - when connectivity to Microsoft 365 is lost, making D correct. Call queues (A) and audio conferencing (B) are cloud-hosted Microsoft 365 services that require an active connection to the Teams backend; the SBA cannot replicate these services locally during an outage. Microsoft Teams panels (C) are room scheduling display devices, not voice calling endpoints, and are outside the scope of SBA support entirely. The SBA essentially acts as a local call proxy between the SBC/PRI and Teams clients, preserving only core inbound/outbound PSTN calling.

Memory tip: Think of SBA as a "survival kit for callers" - it keeps people at their desktops calling, but anything that lives purely in the cloud (queues, conferencing) or isn't a calling endpoint (panels) gets left behind.

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