For a certificate-based Local Gateway, a public CA from Cisco's supported list must sign the device certificate, and its CN or one SAN must equal the FQDN configured in Control Hub.

Checked 2026-10-02

Vendor
Cisco
Product
Webex Calling
Subsystem
Local Gateway trunk
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-10-02
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). SIP trunk authentication: registration and static IP and mutual TLS: source note sip-trunk-authentication-models-webex-lgw-cert-public-ca. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-authentication-models-webex-lgw-cert-public-ca

BibTeX

@misc{warmtransfer-claim-sip-trunk-authentication-models-webex-lgw-cert-public-ca,
  title  = {SIP trunk authentication: registration and static IP and mutual TLS: source note sip-trunk-authentication-models-webex-lgw-cert-public-ca},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-trunk-authentication-models-webex-lgw-cert-public-ca},
  note   = {Source note sip-trunk-authentication-models-webex-lgw-cert-public-ca, checked 2026-10-02}
}

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