When TLS verify mode is On for the neighbor zone to Unified CM, the peer address must be the FQDN of the Unified CM node; with it Off, an IP, hostname or FQDN may be used.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- neighbor zone
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Expressway X8.1.1 or later
- Checked
- 2026-09-25
Sources
- Configure Business to Business Audio/Video Calls through Expressway — Cisco Systems · tier 2 current vendor documentation · Configure > Expressway-C > Neighbor Zone to CUCM (TLS verify)
Cite this note
APA
WarmTransfer. (2026, September 25). Setting up business-to-business calling on Cisco Expressway: source note expressway-b2b-setup-neighbor-tls-verify-fqdn. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-b2b-setup-neighbor-tls-verify-fqdn
BibTeX
@misc{warmtransfer-claim-expressway-b2b-setup-neighbor-tls-verify-fqdn,
title = {Setting up business-to-business calling on Cisco Expressway: source note expressway-b2b-setup-neighbor-tls-verify-fqdn},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-b2b-setup-neighbor-tls-verify-fqdn},
note = {Source note expressway-b2b-setup-neighbor-tls-verify-fqdn, checked 2026-09-25}
}