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

Online PSTN gateway defaults are SendSIPOptions True (turning it off excludes the SBC from monitoring and alerting), FailoverResponseCodes 408, 503 and 504, and FailoverTimeSeconds 10; Enabled can be set false to take the SBC out of service for maintenance.

Checked 2026-09-30

Vendor: Microsoft
Product: Microsoft Teams Phone
Subsystem: Direct Routing SBC settings
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 · SBC settings table rows Enabled, Send SIP options, Failover response codes, Failover times

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-sbc-settings-defaults. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-teams-direct-routing-setup-sbc-settings-defaults

BibTeX

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

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