Source note · Microsoft Teams Calling Plans
With Calling Plans, Microsoft is the PSTN operator: PSTN access, phone numbers, US emergency screening and telephone support come from Microsoft, backed by a 99.999% reliability SLA.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Microsoft Teams Calling Plans
- Subsystem
- pstn-connectivity
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- PSTN connectivity options — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · PSTN connectivity options > Microsoft Teams Calling Plan bullet
Cite this note
APA
WarmTransfer. (2026, September 24). Microsoft Teams Calling Plans: source note teams-calling-plans-microsoft-is-carrier. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-calling-plans-microsoft-is-carrier
BibTeX
@misc{warmtransfer-claim-teams-calling-plans-microsoft-is-carrier,
title = {Microsoft Teams Calling Plans: source note teams-calling-plans-microsoft-is-carrier},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-calling-plans-microsoft-is-carrier},
note = {Source note teams-calling-plans-microsoft-is-carrier, checked 2026-09-24}
}