Source note · Certificate lifecycle management for voice
Cisco requires that a signed Local Gateway certificate always has a valid expiry and that the root or intermediate certificates used to sign it also have a valid expiry and are not revoked, and separately requires the Webex trust bundle to be uploaded onto the Cisco Unified Border Element.
Checked 2026-09-16
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- certificates
- Deployment
- not restricted
- Region
- not restricted
- Release range
- not restricted
- Checked
- 2026-09-16
Sources
- Security requirements for Webex Calling — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · Requirements for secure SIP with mTLS, certificate validity bullets
Cite this note
APA
WarmTransfer. (2026, September 16). Certificate lifecycle management for voice: source note certlc-expiry-and-revocation-apply-to-the-chain. WarmTransfer. https://warmtransfer.net/knowledge/claims/certlc-expiry-and-revocation-apply-to-the-chain
BibTeX
@misc{warmtransfer-claim-certlc-expiry-and-revocation-apply-to-the-chain,
title = {Certificate lifecycle management for voice: source note certlc-expiry-and-revocation-apply-to-the-chain},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/certlc-expiry-and-revocation-apply-to-the-chain},
note = {Source note certlc-expiry-and-revocation-apply-to-the-chain, checked 2026-09-16}
}