Drag and Drop Question Your company has offices in Seattle. You deploy Microsoft Teams Phone. You have three Session Border Controller (SBCs) named SBC1, SBC2, and SBC3. You need to configure voice ro

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This question tests your ability to configure Microsoft Teams Phone Direct Routing voice routes in PowerShell, specifically assigning ordered SBC gateway lists to each route so that failover and traffic segregation requirements are met.

Approach. Each voice route is configured with a -OnlinePstnGatewayList parameter that accepts an ordered list of SBCs. For the Seattle local route (area codes 425/206), the list must be 'sbc1.contoso.com', 'sbc2.contoso.com' - Teams tries SBC1 first and fails over to SBC2 if unavailable. For the domestic US/Canada catch-all route, only 'sbc2.contoso.com' is needed since no failover is specified. For the international route, 'sbc2.contoso.com', 'sbc3.contoso.com' satisfies the requirement that international calls go through either SBC2 or SBC3, with SBC2 as the preferred gateway. The order of SBCs in the list determines priority - Teams attempts each gateway in sequence until one succeeds.

Concept tested. Microsoft Teams Phone Direct Routing: configuring voice routes via PowerShell (New-CsOnlineVoiceRoute) with ordered -OnlinePstnGatewayList values to implement SBC failover, traffic segregation by number pattern (local, domestic, international), and route prioritization within a PSTN usage policy.

Reference. https://learn.microsoft.com/en-us/microsoftteams/direct-routing-voice-routing

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