Source note · Setting up Microsoft Teams Direct Routing

Pairing is validated on the SBC management interface by confirming the SBC receives 200 OK to its outgoing OPTIONS and answers 200 OK to OPTIONS arriving from Direct Routing, which Direct Routing sends to the FQDN in the Contact header of the SBC's OPTIONS.

Checked 2026-09-24

Vendor: Microsoft
Product: Microsoft Teams Phone
Subsystem: direct-routing-sbc-pairing
Deployment: multi-tenant
Region: not restricted
Release range: current as of 2026-09-24
Checked: 2026-09-24

Sources

Connect your Session Border Controller (SBC) to Direct Routing — Microsoft · tier 2 current vendor documentation · Verify the SBC connection > Validate SIP options

Cite this note

APA

WarmTransfer. (2026, September 24). Setting up Microsoft Teams Direct Routing: source note teams-direct-routing-setup-verify-options-200ok. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-setup-verify-options-200ok

BibTeX

@misc{warmtransfer-claim-teams-direct-routing-setup-verify-options-200ok,
  title  = {Setting up Microsoft Teams Direct Routing: source note teams-direct-routing-setup-verify-options-200ok},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-setup-verify-options-200ok},
  note   = {Source note teams-direct-routing-setup-verify-options-200ok, checked 2026-09-24}
}

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