Source note · Cisco IP phone registration and TFTP and ITL and CTL
Centralized TFTP only works in an ITL-homogeneous environment: all servers on Unified CM 8.x or later, or all on releases before 8.x.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- Centralized TFTP
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 8.x and later
- Checked
- 2026-09-24
Sources
- Understand CUCM Security By Default and ITL Operation and Troubleshooting — Cisco Systems · tier 2 current vendor documentation · Centralized TFTP section
Cite this note
APA
WarmTransfer. (2026, September 24). Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-centralized-tftp-itl. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-centralized-tftp-itl
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-centralized-tftp-itl,
title = {Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-centralized-tftp-itl},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-centralized-tftp-itl},
note = {Source note cisco-phone-registration-centralized-tftp-itl, checked 2026-09-24}
}