Source note · Cisco IP phone firmware management
On PhoneOS 3.2 and later, features delivered through UCM device packages require UCM 14 or 15, and on PhoneOS 5.0 they require UCM 15.
Checked 2026-09-25
On PhoneOS 3.2 and later, features delivered in UCM Device Packages require UCM 14 or 15. On PhoneOS 5.0, they require UCM 15.
- Vendor
- Cisco
- Product
- Cisco Desk Phone 9800 Series
- Subsystem
- device packs
- Deployment
- on-premises
- Region
- not restricted
- Release range
- PhoneOS 3.2 through 5.0
- Checked
- 2026-09-25
Sources
- Release Notes for Cisco PhoneOS Phones 9800 and 8875 — Cisco Systems (Webex Help Center) · tier 2 current vendor documentation · Release Notes for Cisco PhoneOS Phones 9800 and 8875 > Unified CM requirements / device package note
Cite this note
APA
WarmTransfer. (2026, September 25). Cisco IP phone firmware management: source note cucm-phone-firmware-phoneos-devpack-ucm15. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-phoneos-devpack-ucm15
BibTeX
@misc{warmtransfer-claim-cucm-phone-firmware-phoneos-devpack-ucm15,
title = {Cisco IP phone firmware management: source note cucm-phone-firmware-phoneos-devpack-ucm15},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-phoneos-devpack-ucm15},
note = {Source note cucm-phone-firmware-phoneos-devpack-ucm15, checked 2026-09-25}
}