Source note · PRI and TDM gateway interworking
Microsoft supports Teams Phone with Direct Routing only when a Microsoft-certified SBC is used and may decline support cases that involve non-certified devices.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- support boundary
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · Section 'Support boundaries'
Cite this note
APA
WarmTransfer. (2026, September 24). PRI and TDM gateway interworking: source note legacy-pri-tdm-dr-certified-sbc-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/legacy-pri-tdm-dr-certified-sbc-only
BibTeX
@misc{warmtransfer-claim-legacy-pri-tdm-dr-certified-sbc-only,
title = {PRI and TDM gateway interworking: source note legacy-pri-tdm-dr-certified-sbc-only},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/legacy-pri-tdm-dr-certified-sbc-only},
note = {Source note legacy-pri-tdm-dr-certified-sbc-only, checked 2026-09-24}
}