Source note · CUCM to Teams Phone migration
The number of user (subscriber) numbers obtainable from Microsoft equals the total number of Domestic and/or International Calling Plan licences multiplied by 1.1 plus 10 extra numbers, pay-as-you-go licences allow only 1 number each, and these limits exclude numbers that are ported or porting to Microsoft.
Checked 2026-09-16
The limits in the following table don't include phone numbers that are ported or are porting to Microsoft.
- Vendor
- Microsoft
- Product
- Teams Phone Calling Plans
- Subsystem
- number acquisition
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-16
- Checked
- 2026-09-16
Sources
- Get Microsoft Calling Plan telephone numbers for your organization — Microsoft · tier 2 current vendor documentation · Get Microsoft Calling Plan telephone numbers for your organization > How many telephone numbers can you get?
Cite this note
APA
WarmTransfer. (2026, September 16). CUCM to Teams Phone migration: source note cucm-to-teams-phone-calling-plan-number-quantity. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-calling-plan-number-quantity
BibTeX
@misc{warmtransfer-claim-cucm-to-teams-phone-calling-plan-number-quantity,
title = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-calling-plan-number-quantity},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-calling-plan-number-quantity},
note = {Source note cucm-to-teams-phone-calling-plan-number-quantity, checked 2026-09-16}
}