Source note · Teams Phone Direct Routing and SBC certification
Microsoft planned a staged validation test for 2026-06-30 at 09:00 UTC that moved Direct Routing SIP endpoints to certificates from a new CA across geos over 2 to 4 days; SBC TLS failures during the test indicated trust issues.
Checked 2026-09-23
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- tls-certificates
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- 2026-06-30 test window
- Checked
- 2026-09-23
Sources
- What's New Direct Routing — Microsoft · tier 2 current vendor documentation · entry 'Validation test that switches Microsoft Teams Direct Routing SIP endpoints to certificates issued by a new CA (June 30, 2026)'
Cite this note
APA
WarmTransfer. (2026, September 23). Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-ca-validation-test. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-ca-validation-test
BibTeX
@misc{warmtransfer-claim-teams-direct-routing-ca-validation-test,
title = {Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-ca-validation-test},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-ca-validation-test},
note = {Source note teams-direct-routing-ca-validation-test, checked 2026-09-23}
}