Microsoft's verification of a paired SBC is that Get-CsOnlinePSTNGateway lists it with Enabled True and that the SBC management interface shows 200 OK responses to its outgoing SIP OPTIONS and 200 OK replies to OPTIONS received from Direct Routing.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- 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
Cite this note
APA
WarmTransfer. (2026, September 24). Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-sbc-verify. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-sbc-verify
BibTeX
@misc{warmtransfer-claim-cucm-teams-hybrid-build-sbc-verify,
title = {Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-sbc-verify},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-sbc-verify},
note = {Source note cucm-teams-hybrid-build-sbc-verify, checked 2026-09-24}
}