Source note · Troubleshooting Cisco IP phones stuck upgrading firmware
The Peer Firmware Sharing setting is taken first from the individual phone configuration, then the Common Phone Profile, then Enterprise Phone Configuration.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- peer firmware sharing
- Deployment
- on-premises
- Region
- not restricted
- Release range
- as documented in 2018 technote
- Checked
- 2026-10-02
Sources
- Cisco IP Phone Feature - Peer Firmware Sharing — Cisco Systems · tier 2 current vendor documentation · Enable PFS
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Cisco IP phones stuck upgrading firmware: source note cucm-phone-firmware-upgrade-troubleshooting-pfs-precedence. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-upgrade-troubleshooting-pfs-precedence
BibTeX
@misc{warmtransfer-claim-cucm-phone-firmware-upgrade-troubleshooting-pfs-precedence,
title = {Troubleshooting Cisco IP phones stuck upgrading firmware: source note cucm-phone-firmware-upgrade-troubleshooting-pfs-precedence},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-upgrade-troubleshooting-pfs-precedence},
note = {Source note cucm-phone-firmware-upgrade-troubleshooting-pfs-precedence, checked 2026-10-02}
}