In offline mode two users registered behind the same SBA can place a VoIP call to each other that the SBA supports, and if a VoIP call cannot be initiated and the called party has a PSTN number a PSTN call is attempted instead.

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
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Setting up a Survivable Branch Appliance for Teams Direct Routing: source note teams-sba-setup-offline-voip-local. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sba-setup-offline-voip-local

BibTeX

@misc{warmtransfer-claim-teams-sba-setup-offline-voip-local,
  title  = {Setting up a Survivable Branch Appliance for Teams Direct Routing: source note teams-sba-setup-offline-voip-local},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-sba-setup-offline-voip-local},
  note   = {Source note teams-sba-setup-offline-voip-local, checked 2026-09-30}
}

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