Source note · Cisco IP phone firmware management
Downgrading an 8800 phone from 14.3(1) or later to a release below 14.3(1) may lose ringtones on multi-line phones, which a factory reset resolves.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco IP Phone 8800 Series enterprise firmware
- Subsystem
- downgrade
- Deployment
- on-premises
- Region
- not restricted
- Release range
- downgrade from 14.3(1)+ to below 14.3(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 · Upgrade Limitations
Cite this note
APA
WarmTransfer. (2026, September 25). Cisco IP phone firmware management: source note cucm-phone-firmware-rn-downgrade-ringtone. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-rn-downgrade-ringtone
BibTeX
@misc{warmtransfer-claim-cucm-phone-firmware-rn-downgrade-ringtone,
title = {Cisco IP phone firmware management: source note cucm-phone-firmware-rn-downgrade-ringtone},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-rn-downgrade-ringtone},
note = {Source note cucm-phone-firmware-rn-downgrade-ringtone, checked 2026-09-25}
}