Source note · Setting up the Webex App for Unified CM calling
A warning icon appears in Webex App when it fails to register to Unified CM; hovering shows the error and clicking shows recommended next steps such as signing in to phone services.
Checked 2026-09-30
- Vendor
- Cisco
- Product
- Webex App
- Subsystem
- troubleshooting
- Deployment
- on-premises, hybrid
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Deployment guide for Calling in Webex App (Unified CM) - Manage and troubleshoot — Cisco · tier 2 current vendor documentation · Manage and troubleshoot > registration status
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up the Webex App for Unified CM calling: source note cucm-webex-app-calling-setup-warning-icon. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-app-calling-setup-warning-icon
BibTeX
@misc{warmtransfer-claim-cucm-webex-app-calling-setup-warning-icon,
title = {Setting up the Webex App for Unified CM calling: source note cucm-webex-app-calling-setup-warning-icon},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-webex-app-calling-setup-warning-icon},
note = {Source note cucm-webex-app-calling-setup-warning-icon, checked 2026-09-30}
}