Source note · Microsoft Teams Phone architecture and licensing
The Direct Routing SBA requires Media Bypass TLS 1.2 and firewall access for its documented client SBC NTP and Microsoft 365 communication ports.
Checked 2026-09-06
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- branch survivability
- Deployment
- direct-routing-sba
- Region
- not restricted
- Release range
- current as of 2026-09-06
- Checked
- 2026-09-06
Sources
- Survivable Branch Appliance for Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · Prerequisites
Cite this note
APA
WarmTransfer. (2026, September 6). Microsoft Teams Phone architecture and licensing: source note teamsphone-sba-has-network-prerequisites. WarmTransfer. https://warmtransfer.net/knowledge/claims/teamsphone-sba-has-network-prerequisites
BibTeX
@misc{warmtransfer-claim-teamsphone-sba-has-network-prerequisites,
title = {Microsoft Teams Phone architecture and licensing: source note teamsphone-sba-has-network-prerequisites},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teamsphone-sba-has-network-prerequisites},
note = {Source note teamsphone-sba-has-network-prerequisites, checked 2026-09-06}
}