Source note · Unified CM intercluster trunks
For an intercluster SIP TLS trunk with CA-signed certificates, the CA root goes into CallManager-trust and the signed CSR is uploaded as the CallManager certificate on each cluster.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- SIP trunk security
- Deployment
- on-premises
- Region
- not restricted
- Release range
- not stated; 2018 tech note
- Checked
- 2026-09-25
Sources
- Configure SIP TLS Trunk on the Communications Manager with a CA Signed Certificate — Cisco Systems · tier 2 current vendor documentation · Configure > certificate steps
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM intercluster trunks: source note cucm-intercluster-trunks-tls-callmanager-trust. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-intercluster-trunks-tls-callmanager-trust
BibTeX
@misc{warmtransfer-claim-cucm-intercluster-trunks-tls-callmanager-trust,
title = {Unified CM intercluster trunks: source note cucm-intercluster-trunks-tls-callmanager-trust},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-intercluster-trunks-tls-callmanager-trust},
note = {Source note cucm-intercluster-trunks-tls-callmanager-trust, checked 2026-09-25}
}