Source note · Session border controller selection and certification
For Direct Routing issues the customer must contact the SBC vendor's support first, and the SBC vendor escalates to Microsoft through internal channels if needed.
Checked 2026-10-14
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- Direct Routing support boundary
- Deployment
- direct-routing
- Region
- not restricted
- Release range
- current as of 2026-10-14
- Checked
- 2026-10-14
Sources
- Session Border Controllers certified for Direct Routing - Microsoft Teams — Microsoft · tier 2 current vendor documentation · Introductory Note above 'Certified SBC vendors'
Cite this note
APA
WarmTransfer. (2026, October 14). Session border controller selection and certification: source note sbc-selection-msdr-vendor-first-support. WarmTransfer. https://warmtransfer.net/knowledge/claims/sbc-selection-msdr-vendor-first-support
BibTeX
@misc{warmtransfer-claim-sbc-selection-msdr-vendor-first-support,
title = {Session border controller selection and certification: source note sbc-selection-msdr-vendor-first-support},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sbc-selection-msdr-vendor-first-support},
note = {Source note sbc-selection-msdr-vendor-first-support, checked 2026-10-14}
}