Microsoft recommends a conservative target port date at least 15 business days after submission for all ports, trading speed for predictability.
Checked 2026-09-25
Microsoft recommends Approach 2 for all your ports.
- Vendor
- Microsoft
- Product
- Teams Calling Plans
- Subsystem
- number porting
- Deployment
- multi-tenant
- Region
- calling plan markets
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- What's a port order? - Microsoft Teams — Microsoft · tier 2 current vendor documentation · Plan for port event date > Approach 2: Choosing a conservative target date
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-port-conservative-date. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-port-conservative-date
BibTeX
@misc{warmtransfer-claim-cucm-teams-coexistence-port-conservative-date,
title = {Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-port-conservative-date},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-port-conservative-date},
note = {Source note cucm-teams-coexistence-port-conservative-date, checked 2026-09-25}
}