Source note · Troubleshooting Cisco IP phone registration
Unified CM Administration can show an incorrect device registration status if the Cisco RIS Data Collector service is not running or if network or DNS resolution problems prevent communication.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- registration status
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 12.5(1)
- Checked
- 2026-09-24
Sources
- Troubleshooting Guide for Cisco Unified Communications Manager Release 12.5(1) — Device Issues — Cisco Systems, Inc. (www.cisco.com) · tier 2 current vendor documentation · Device Issues > Incorrect Device Registration Status Displays
Cite this note
APA
WarmTransfer. (2026, September 24). Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-ris-status. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-ris-status
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-troubleshooting-ris-status,
title = {Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-ris-status},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-ris-status},
note = {Source note cisco-phone-registration-troubleshooting-ris-status, checked 2026-09-24}
}