Source note · Teams Phone Direct Routing and SBC certification
If the tenant uses Continuous Access Evaluation tokens, SBA stays operational for only about 30 minutes. Separately, SBA accepts expired client tokens for up to 7 days, and a client that restarts during an outage can't connect to the SBA.
Checked 2026-09-23
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- survivability
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-23
- Checked
- 2026-09-23
Sources
- Survivable Branch Appliance for Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · section 'Known issues and considerations'
Cite this note
APA
WarmTransfer. (2026, September 23). Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-sba-cae-token-limits. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-sba-cae-token-limits
BibTeX
@misc{warmtransfer-claim-teams-direct-routing-sba-cae-token-limits,
title = {Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-sba-cae-token-limits},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-sba-cae-token-limits},
note = {Source note teams-direct-routing-sba-cae-token-limits, checked 2026-09-23}
}