Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager - Maintenance

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cuipph/8800-series/english/adminguide/P881_BK_C136782F_00_cisco-ip-phone-8800_series/P881_BK_C136782F_00_cisco-ip-phone-8811-8841_chapter_01111.html

Published

2025-11-06

Updated

unknown

Accessed

2026-09-22

HTTP status

200

License

Cisco copyright; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• An 8800 Series phone is factory reset from the keypad by removing power, holding # while restoring power until the Headset and Speaker buttons light, then entering 123456789*0#; the reset clears all phone parameters. in context
• On an 8800 Series phone, Admin Settings > Reset Settings > Network Setup resets network settings and causes DHCP to reconfigure the phone's IP address. in context
• On an 8800 Series phone, Admin Settings > Reset Settings > Security Settings deletes only the CTL file from the phone. in context

Cite this source record

APA

WarmTransfer. (2025, November 6). Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager - Maintenance. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-8800-adminguide-maintenance

BibTeX

@misc{warmtransfer-cisco-8800-adminguide-maintenance,
  title  = {Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager - Maintenance},
  author = {{WarmTransfer}},
  year   = {2025},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-8800-adminguide-maintenance},
  note   = {Cisco Systems, accessed 2026-09-22}
}