With Teams Direct Routing any PSTN operator can be used, integrated through a certified session border controller run by the customer, an integrator or a Direct-Routing-as-a-Service provider.
Checked 2026-10-02
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- Direct Routing
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- PSTN connectivity options — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · PSTN connectivity options > Direct Routing bullet
Cite this note
APA
WarmTransfer. (2026, October 2). Cloud PSTN availability by country for Webex Calling and Teams Phone and Zoom Phone: source note cloud-pstn-country-availability-ms-dr-any-operator-sbc. WarmTransfer. https://warmtransfer.net/knowledge/claims/cloud-pstn-country-availability-ms-dr-any-operator-sbc
BibTeX
@misc{warmtransfer-claim-cloud-pstn-country-availability-ms-dr-any-operator-sbc,
title = {Cloud PSTN availability by country for Webex Calling and Teams Phone and Zoom Phone: source note cloud-pstn-country-availability-ms-dr-any-operator-sbc},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cloud-pstn-country-availability-ms-dr-any-operator-sbc},
note = {Source note cloud-pstn-country-availability-ms-dr-any-operator-sbc, checked 2026-10-02}
}