Source note · CUCM to Teams Phone migration
Teams Phone has four PSTN connectivity models - Microsoft Teams Calling Plan, Operator Connect, Teams Phone Mobile and Direct Routing - and an organisation can equip a tenant with as many of them as it wants and mix them per user population.
Checked 2026-09-16
Microsoft's Teams Phone is a highly flexible platform, supporting several methods to connect with the PSTN, and you can equip your tenant with as many of the available PSTN integrations as you'd like.
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- PSTN connectivity
- Deployment
- multi-tenant
- Region
- not restricted
- 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 > 'The highlights of the four PSTN connectivity models for Teams are as follows'
Cite this note
APA
WarmTransfer. (2026, September 16). CUCM to Teams Phone migration: source note cucm-to-teams-phone-pstn-four-models. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-pstn-four-models
BibTeX
@misc{warmtransfer-claim-cucm-to-teams-phone-pstn-four-models,
title = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-pstn-four-models},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-pstn-four-models},
note = {Source note cucm-to-teams-phone-pstn-four-models, checked 2026-09-16}
}