Source note · Moving from Unified CM to Zoom Phone
If Unified CM sends delayed-offer INVITEs toward the SBC, the SBC (or an MTP in Unified CM) must convert them to early offer before they reach Zoom.
inferred · Checked 2026-09-25
- Vendor
- Zoom
- Product
- Zoom Phone
- Subsystem
- SIP interconnect
- Deployment
- multi-tenant, on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Status
- inferred
- Checked
- 2026-09-25
Sources
- BYOC-P or BYOP-P call processing — Zoom Communications · tier 2 current vendor documentation · Incoming calls to Zoom section (early offer requirement)
Cite this note
APA
WarmTransfer. (2026, September 25). Moving from Unified CM to Zoom Phone: source note cucm-to-zoom-phone-cucm-delayed-offer-inference. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-zoom-phone-cucm-delayed-offer-inference
BibTeX
@misc{warmtransfer-claim-cucm-to-zoom-phone-cucm-delayed-offer-inference,
title = {Moving from Unified CM to Zoom Phone: source note cucm-to-zoom-phone-cucm-delayed-offer-inference},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-zoom-phone-cucm-delayed-offer-inference},
note = {Source note cucm-to-zoom-phone-cucm-delayed-offer-inference, checked 2026-09-25}
}