Source note · Troubleshooting Cisco IP phone registration
Before applying a security profile that uses certificates, the phone must hold a Locally Significant Certificate (LSC) or Manufacture-Installed Certificate (MIC); if it has none, apply a non-secure profile and install a certificate through the CAPF settings on the Phone Configuration window.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- phone security profile
- 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 - Phone Security — Cisco Systems · tier 2 current vendor documentation · Phone Security > phone security setup prerequisites
Cite this note
APA
WarmTransfer. (2026, September 24). Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-lsc-before. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-lsc-before
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-troubleshooting-lsc-before,
title = {Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-lsc-before},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-lsc-before},
note = {Source note cisco-phone-registration-troubleshooting-lsc-before, checked 2026-09-24}
}