Source note · Troubleshooting Cisco IP phone registration
A bulk ITL reset is run with utils itl reset localkey or utils itl reset remotekey, checked with show itl, followed by Reset on the Enterprise Parameters page so devices restart and download the new ITL, and a restart of the TFTP service and devices.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- ITL
- 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 - Default Security — Cisco Systems · tier 2 current vendor documentation · Default Security > Perform Bulk Reset of ITL File
Cite this note
APA
WarmTransfer. (2026, September 24). Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-itl-bulk-reset. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-itl-bulk-reset
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-troubleshooting-itl-bulk-reset,
title = {Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-itl-bulk-reset},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-itl-bulk-reset},
note = {Source note cisco-phone-registration-troubleshooting-itl-bulk-reset, checked 2026-09-24}
}