Source note · Troubleshooting Cisco IP phone registration
Phone console logs show successful trust-file validation with strings such as 'File sign verify SUCCESS' for the ITL and 'SECD: verifyFile: verify SUCCESS' for configuration files checked against the ITL.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- IP phones on Unified Communications Manager
- Subsystem
- console logs
- Deployment
- on-premises
- Region
- not restricted
- Release range
- CUCM 8.0 and later; phone firmware log strings may vary
- Checked
- 2026-09-24
Sources
- Understand CUCM Security By Default and ITL Operation and Troubleshooting — Cisco Systems · tier 2 current vendor documentation · Understand CUCM Security By Default and ITL Operation and Troubleshooting > phone console log examples
Cite this note
APA
WarmTransfer. (2026, September 24). Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-console-verify. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-console-verify
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-troubleshooting-console-verify,
title = {Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-console-verify},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-console-verify},
note = {Source note cisco-phone-registration-troubleshooting-console-verify, checked 2026-09-24}
}