Source note · Cisco IP phone registration and TFTP and ITL and CTL
A fresh Unified CM installation runs in non-secure mode by default.
Checked 2026-09-24
The non secure mode is the default security mode when you install Unified Communications Manager for the first time.
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- Security modes
- 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 chapter, overview
Cite this note
APA
WarmTransfer. (2026, September 24). Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-default-non-secure. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-default-non-secure
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-default-non-secure,
title = {Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-default-non-secure},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-default-non-secure},
note = {Source note cisco-phone-registration-default-non-secure, checked 2026-09-24}
}