Source note · Troubleshooting a Webex Calling Local Gateway
The trunk error 'the FQDN configured for your gateway is missing from CN or SAN' is resolved by making sure the certificate CN or SAN contains the FQDN or SRV configured on the trunk.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- certificate-based trunk TLS
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Configure trunks, route groups, and dial plans for Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Troubleshooting section, error table SI No. 6
Cite this note
APA
WarmTransfer. (2026, September 25). Troubleshooting a Webex Calling Local Gateway: source note webex-local-gateway-troubleshooting-err-fqdn-cn-san. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-local-gateway-troubleshooting-err-fqdn-cn-san
BibTeX
@misc{warmtransfer-claim-webex-local-gateway-troubleshooting-err-fqdn-cn-san,
title = {Troubleshooting a Webex Calling Local Gateway: source note webex-local-gateway-troubleshooting-err-fqdn-cn-san},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-local-gateway-troubleshooting-err-fqdn-cn-san},
note = {Source note webex-local-gateway-troubleshooting-err-fqdn-cn-san, checked 2026-09-25}
}