SendSipOptions defaults to True; if disabled, the SBC is excluded from the Direct Routing monitoring and alerting system, and Microsoft highly recommends leaving SIP options enabled.

Checked 2026-09-25

Vendor
Microsoft
Product
Teams Phone Direct Routing
Subsystem
online PSTN gateway
Deployment
multi-tenant
Region
not restricted
Release range
MicrosoftTeams PowerShell module, current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). SIP trunk redundancy and failover design: source note sip-trunk-redundancy-design-ms-sendsipoptions. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-redundancy-design-ms-sendsipoptions

BibTeX

@misc{warmtransfer-claim-sip-trunk-redundancy-design-ms-sendsipoptions,
  title  = {SIP trunk redundancy and failover design: source note sip-trunk-redundancy-design-ms-sendsipoptions},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-trunk-redundancy-design-ms-sendsipoptions},
  note   = {Source note sip-trunk-redundancy-design-ms-sendsipoptions, checked 2026-09-25}
}

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