Source note · Cisco IP phone firmware management
To install a k3 or k4 COP file on a Unified CM release earlier than 10.0.1, the Readme for ciscocm.version3-keys.cop.sgn must be consulted to see whether that key COP is needed first.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco IP Phone 8800 Series enterprise firmware
- Subsystem
- COP files
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Unified CM earlier than 10.0.1
- Checked
- 2026-09-25
Sources
- Cisco IP Phone 8800 Release Notes for Firmware Release 14.4(1) — Cisco Systems · tier 2 current vendor documentation · Installation > Public Key (k3/k4 COP files) note
Cite this note
APA
WarmTransfer. (2026, September 25). Cisco IP phone firmware management: source note cucm-phone-firmware-rn-k4-pre10. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-rn-k4-pre10
BibTeX
@misc{warmtransfer-claim-cucm-phone-firmware-rn-k4-pre10,
title = {Cisco IP phone firmware management: source note cucm-phone-firmware-rn-k4-pre10},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-rn-k4-pre10},
note = {Source note cucm-phone-firmware-rn-k4-pre10, checked 2026-09-25}
}