Cisco warns that if Unified CM lacks the device package that supports an 8800 firmware release, the firmware may not work correctly.

Checked 2026-10-02

Vendor
Cisco
Product
Cisco IP Phone 8800 Series
Subsystem
device package
Deployment
on-premises
Region
not restricted
Release range
firmware 14.3(1)
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting Cisco IP phones stuck upgrading firmware: source note cucm-phone-firmware-upgrade-troubleshooting-devpack-missing. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-upgrade-troubleshooting-devpack-missing

BibTeX

@misc{warmtransfer-claim-cucm-phone-firmware-upgrade-troubleshooting-devpack-missing,
  title  = {Troubleshooting Cisco IP phones stuck upgrading firmware: source note cucm-phone-firmware-upgrade-troubleshooting-devpack-missing},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-upgrade-troubleshooting-devpack-missing},
  note   = {Source note cucm-phone-firmware-upgrade-troubleshooting-devpack-missing, checked 2026-10-02}
}

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