The SBC must present a certificate from one of Zoom's listed certificate authorities, with the SBC FQDN in the CN or SAN, the Server Authentication key usage, and the complete chain including intermediates.

Checked 2026-09-25

Vendor
Zoom
Product
Zoom Phone
Subsystem
SBC requirements, certificates
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Moving from Unified CM to Zoom Phone: source note cucm-to-zoom-phone-sbc-certificate. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-zoom-phone-sbc-certificate

BibTeX

@misc{warmtransfer-claim-cucm-to-zoom-phone-sbc-certificate,
  title  = {Moving from Unified CM to Zoom Phone: source note cucm-to-zoom-phone-sbc-certificate},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-to-zoom-phone-sbc-certificate},
  note   = {Source note cucm-to-zoom-phone-sbc-certificate, checked 2026-09-25}
}

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