Source note · Troubleshooting calling in the Webex App
The Unified CM registration status ConnectionTerminated means the user's phone service account is already in use by Jabber or another device, and the user is told to sign in to phone service in Webex App to reconnect.
Checked 2026-10-01
Your phone service account is already in use by Jabber or another device.
- Vendor
- Cisco
- Product
- Webex App
- Subsystem
- softphone registration
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-10-01
- Checked
- 2026-10-01
Sources
- Webex App | Error messages for Calling — Cisco Systems (Webex Help Center) · tier 2 current vendor documentation · Unified CM > Registration status errors table, row ConnectionTerminated
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting calling in the Webex App: source note webex-app-calling-troubleshooting-ucm-connection-terminated. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-app-calling-troubleshooting-ucm-connection-terminated
BibTeX
@misc{warmtransfer-claim-webex-app-calling-troubleshooting-ucm-connection-terminated,
title = {Troubleshooting calling in the Webex App: source note webex-app-calling-troubleshooting-ucm-connection-terminated},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-app-calling-troubleshooting-ucm-connection-terminated},
note = {Source note webex-app-calling-troubleshooting-ucm-connection-terminated, checked 2026-10-01}
}