Source note · Setting up CUBE as a Microsoft Teams Direct Routing SBC

Microsoft's pairing check is that Get-CsOnlinePSTNGateway lists the SBC with Enabled True and that the SBC both receives 200 OK to its outgoing OPTIONS and answers Direct Routing's OPTIONS with 200 OK.

Checked 2026-09-30

Vendor: Microsoft
Product: Microsoft Teams Phone
Subsystem: Direct Routing SBC pairing
Deployment: multi-tenant
Region: not restricted
Release range: current as of 2026-09-30
Checked: 2026-09-30

Sources

Connect your Session Border Controller (SBC) to Direct Routing — Microsoft · tier 2 current vendor documentation · Verify the SBC connection > Check whether the SBC is on the list of paired SBCs; Validate SIP options

Cite this note

APA

WarmTransfer. (2026, September 30). Setting up CUBE as a Microsoft Teams Direct Routing SBC: source note cube-teams-direct-routing-setup-verify-pairing. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-teams-direct-routing-setup-verify-pairing

BibTeX

@misc{warmtransfer-claim-cube-teams-direct-routing-setup-verify-pairing,
  title  = {Setting up CUBE as a Microsoft Teams Direct Routing SBC: source note cube-teams-direct-routing-setup-verify-pairing},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cube-teams-direct-routing-setup-verify-pairing},
  note   = {Source note cube-teams-direct-routing-setup-verify-pairing, checked 2026-09-30}
}

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