Source note · TLS versions and cipher support across UC platforms
For mutual TLS with Webex Calling a local gateway certificate must be signed by a supported CA and carry the trunk FQDN as common name or subject alternative name.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- local gateway mTLS
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Security requirements for Webex Calling — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · Local Gateway certificate requirements for mutual TLS
Cite this note
APA
WarmTransfer. (2026, October 2). TLS versions and cipher support across UC platforms: source note tls-version-support-uc-webex-calling-lgw-cert-fqdn. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-version-support-uc-webex-calling-lgw-cert-fqdn
BibTeX
@misc{warmtransfer-claim-tls-version-support-uc-webex-calling-lgw-cert-fqdn,
title = {TLS versions and cipher support across UC platforms: source note tls-version-support-uc-webex-calling-lgw-cert-fqdn},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-version-support-uc-webex-calling-lgw-cert-fqdn},
note = {Source note tls-version-support-uc-webex-calling-lgw-cert-fqdn, checked 2026-10-02}
}