Source note · CUCM to Teams Phone migration
With Microsoft Teams Calling Plan, PSTN access, phone numbers, emergency screening service in the U.S. and support come from Microsoft with a 99.999% reliability Service Level Agreement.
Checked 2026-09-16
PSTN access, phone numbers, emergency screening service in the U.S., and support for your telephone service come from Microsoft, with a 99.999% reliability Service Level Agreement (SLA).
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- service levels
- Deployment
- multi-tenant
- Region
- us (emergency screening); global (sla)
- Release range
- current as of 2026-09-16
- Checked
- 2026-09-16
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 16). CUCM to Teams Phone migration: source note cucm-to-teams-phone-calling-plan-sla. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-calling-plan-sla
BibTeX
@misc{warmtransfer-claim-cucm-to-teams-phone-calling-plan-sla,
title = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-calling-plan-sla},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-calling-plan-sla},
note = {Source note cucm-to-teams-phone-calling-plan-sla, checked 2026-09-16}
}