Source note · Moving from Unified CM to Zoom Phone
Zoom's migration guidance says that with BYOP, when a user dials an extension, the relevant PBX automatically queries both the on-premises PBX and Zoom Phone for the user with that extension.
Checked 2026-09-25
when a user dials an extension, the relevant PBX will automatically query both the on-premises and Zoom Phone PBX for the user with the dialed extension
- Vendor
- Zoom
- Product
- Zoom Phone
- Subsystem
- BYOP coexistence
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Migration Strategies (Zoom Phone Bluepaper) — Zoom Communications (Zoom Technical Library) · tier 2 current vendor documentation · Bring Your Own PBX section
Cite this note
APA
WarmTransfer. (2026, September 25). Moving from Unified CM to Zoom Phone: source note cucm-to-zoom-phone-byop-extension-lookup. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-zoom-phone-byop-extension-lookup
BibTeX
@misc{warmtransfer-claim-cucm-to-zoom-phone-byop-extension-lookup,
title = {Moving from Unified CM to Zoom Phone: source note cucm-to-zoom-phone-byop-extension-lookup},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-zoom-phone-byop-extension-lookup},
note = {Source note cucm-to-zoom-phone-byop-extension-lookup, checked 2026-09-25}
}