ILS authentication between clusters uses TLS certificates (the Use TLS Certificates check box) or a password (the Use Password check box), both set in the ILS Configuration window.

Checked 2026-10-01

Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
Intercluster Lookup Service
Deployment
on-premises
Region
not restricted
Release range
Release 15 and SUs
Checked
2026-10-01

Sources

Cite this note

APA

WarmTransfer. (2026, October 1). Setting up ILS and Global Dial Plan Replication in Unified CM: source note cucm-ils-gdpr-setup-auth-options. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ils-gdpr-setup-auth-options

BibTeX

@misc{warmtransfer-claim-cucm-ils-gdpr-setup-auth-options,
  title  = {Setting up ILS and Global Dial Plan Replication in Unified CM: source note cucm-ils-gdpr-setup-auth-options},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-ils-gdpr-setup-auth-options},
  note   = {Source note cucm-ils-gdpr-setup-auth-options, checked 2026-10-01}
}

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