For a TLS trunk, the Unified CM SIP trunk security profile's X.509 subject name must match the CN of the certificate presented by the Expressway-C.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Unified CM
- Subsystem
- SIP trunk security profile
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Unified CM 10.0 or later
- Checked
- 2026-09-25
Sources
- Configure Business to Business Audio/Video Calls through Expressway — Cisco Systems · tier 2 current vendor documentation · Configure > CUCM > SIP Trunk Security Profile
Cite this note
APA
WarmTransfer. (2026, September 25). Setting up business-to-business calling on Cisco Expressway: source note expressway-b2b-setup-cucm-secure-profile-subject. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-b2b-setup-cucm-secure-profile-subject
BibTeX
@misc{warmtransfer-claim-expressway-b2b-setup-cucm-secure-profile-subject,
title = {Setting up business-to-business calling on Cisco Expressway: source note expressway-b2b-setup-cucm-secure-profile-subject},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-b2b-setup-cucm-secure-profile-subject},
note = {Source note expressway-b2b-setup-cucm-secure-profile-subject, checked 2026-09-25}
}