Source note · Troubleshooting Cisco IP phones stuck upgrading firmware
On Cisco IP Phone 8800 phones, Load Server names an alternate TFTP server used only for phone firmware upgrades, so images can be stored locally instead of crossing the WAN for every phone.
Checked 2026-10-02
A Load Server option allows you to specify an alternate TFTP server for phone upgrades only.
- Vendor
- Cisco
- Product
- Cisco IP Phone 8800 Series
- Subsystem
- load server
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager - Cisco IP Phone Installation — Cisco Systems · tier 2 current vendor documentation · Load Server
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Cisco IP phones stuck upgrading firmware: source note cucm-phone-firmware-upgrade-troubleshooting-load-server-def. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-upgrade-troubleshooting-load-server-def
BibTeX
@misc{warmtransfer-claim-cucm-phone-firmware-upgrade-troubleshooting-load-server-def,
title = {Troubleshooting Cisco IP phones stuck upgrading firmware: source note cucm-phone-firmware-upgrade-troubleshooting-load-server-def},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-upgrade-troubleshooting-load-server-def},
note = {Source note cucm-phone-firmware-upgrade-troubleshooting-load-server-def, checked 2026-10-02}
}