Source note · Cisco IP phone registration and TFTP and ITL and CTL
The 8800 status message No Trust List installed means neither a CTL nor an ITL file is installed on the phone.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Cisco IP Phone 8800 Series
- Subsystem
- Status messages
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager - Monitoring Phone Systems — Cisco Systems · tier 2 current vendor documentation · Monitoring Phone Systems, Status Messages table, row No Trust List installed
Cite this note
APA
WarmTransfer. (2026, September 24). Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-msg-no-trust-list. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-msg-no-trust-list
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-msg-no-trust-list,
title = {Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-msg-no-trust-list},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-msg-no-trust-list},
note = {Source note cisco-phone-registration-msg-no-trust-list, checked 2026-09-24}
}