Source note · CUCM to Teams Phone migration
Direct Routing connects an organisation's own telephony infrastructure to Microsoft Teams Phone by using a supported, customer-provided Session Border Controller (SBC), which is the mechanism a CUCM estate would use to keep its own PSTN carrier.
Checked 2026-09-16
Direct Routing enables organizations to connect their own telephony infrastructure to Microsoft Teams Phone by using a supported, customer-provided Session Border Controller (SBC).
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- PSTN connectivity
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-16
- Checked
- 2026-09-16
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · Plan Direct Routing > opening paragraph
Cite this note
APA
WarmTransfer. (2026, September 16). CUCM to Teams Phone migration: source note cucm-to-teams-phone-dr-definition. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-dr-definition
BibTeX
@misc{warmtransfer-claim-cucm-to-teams-phone-dr-definition,
title = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-dr-definition},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-dr-definition},
note = {Source note cucm-to-teams-phone-dr-definition, checked 2026-09-16}
}