Source note · Session border controller selection and certification
To escalate an SBC-related Direct Routing issue to Microsoft support, the customer must present an SBC vendor investigation report that contains the vendor's ticket reference number.
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', second paragraph
Cite this note
APA
WarmTransfer. (2026, October 14). Session border controller selection and certification: source note sbc-selection-msdr-vendor-investigation-report. WarmTransfer. https://warmtransfer.net/knowledge/claims/sbc-selection-msdr-vendor-investigation-report
BibTeX
@misc{warmtransfer-claim-sbc-selection-msdr-vendor-investigation-report,
title = {Session border controller selection and certification: source note sbc-selection-msdr-vendor-investigation-report},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sbc-selection-msdr-vendor-investigation-report},
note = {Source note sbc-selection-msdr-vendor-investigation-report, checked 2026-10-14}
}