A site whose users reach the PSTN SBC only across the same internet or WAN link that fails gains nothing from an SBA, because SBA mode depends on the client still reaching the SBA and on the SBA/SBC still reaching the PSTN locally during the outage.
inferred · Checked 2026-09-30
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone
- Subsystem
- Direct Routing SBA
- Deployment
- direct-routing
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Status
- inferred
- Checked
- 2026-09-30
Sources
- Survivable Branch Appliance for Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · Introduction, second paragraph; How it works, 'Network status check' bullet
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up a Survivable Branch Appliance for Teams Direct Routing: source note teams-sba-setup-no-local-sbc-no-benefit. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sba-setup-no-local-sbc-no-benefit
BibTeX
@misc{warmtransfer-claim-teams-sba-setup-no-local-sbc-no-benefit,
title = {Setting up a Survivable Branch Appliance for Teams Direct Routing: source note teams-sba-setup-no-local-sbc-no-benefit},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-sba-setup-no-local-sbc-no-benefit},
note = {Source note teams-sba-setup-no-local-sbc-no-benefit, checked 2026-09-30}
}