In the hosted (carrier) model, only the hosted SBC should send SIP OPTIONS. SBCs in a derived trunk take their status from the main SBC.

Checked 2026-09-25

Vendor
Microsoft
Product
Microsoft Teams Phone Direct Routing
Subsystem
sip-options
Deployment
multi-tenant, hosted-carrier
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Troubleshooting Teams Direct Routing: source note teams-direct-routing-troubleshooting-hosted-options. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-troubleshooting-hosted-options

BibTeX

@misc{warmtransfer-claim-teams-direct-routing-troubleshooting-hosted-options,
  title  = {Troubleshooting Teams Direct Routing: source note teams-direct-routing-troubleshooting-hosted-options},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-troubleshooting-hosted-options},
  note   = {Source note teams-direct-routing-troubleshooting-hosted-options, checked 2026-09-25}
}

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