Source note · Troubleshooting Cisco IP phone registration
The CLI command utils ctl set-cluster mixed-mode updates the CTL file and sets the cluster to mixed mode, and utils ctl set-cluster non-secure-mode updates the CTL file and returns it to non-secure mode.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- cluster security mode
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-09-24
Sources
- Security Guide for Cisco Unified Communications Manager, Release 15 and SUs - Security Modes — Cisco Systems · tier 2 current vendor documentation · Security Modes > CLI commands
Cite this note
APA
WarmTransfer. (2026, September 24). Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-mixed-cli. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-mixed-cli
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-troubleshooting-mixed-cli,
title = {Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-mixed-cli},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-mixed-cli},
note = {Source note cisco-phone-registration-troubleshooting-mixed-cli, checked 2026-09-24}
}