Source note · Troubleshooting Cisco IP phone registration
The phone status message 'Duplicate IP' means another device is using the IP address assigned to the phone.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- IP Phone 8800 Series
- Subsystem
- status messages
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager - Monitoring Phone Systems — Cisco Systems · tier 2 current vendor documentation · Monitoring Phone Systems > Status Messages table, row Duplicate IP
Cite this note
APA
WarmTransfer. (2026, September 24). Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-msg-dup-ip. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-msg-dup-ip
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-troubleshooting-msg-dup-ip,
title = {Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-msg-dup-ip},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-msg-dup-ip},
note = {Source note cisco-phone-registration-troubleshooting-msg-dup-ip, checked 2026-09-24}
}