Source note · Emergency callback numbers in Webex Calling
The 'Assigned number' drop-down lists only entities that have a telephone number; extension-only users, workspaces and virtual lines cannot be chosen as an ECBN.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- emergency-callback-number
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Emergency Callback Number (ECBN) in Control Hub — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · 'Configure a user's number as ECBN' and 'Configure a workspace number as ECBN'
Cite this note
APA
WarmTransfer. (2026, September 25). Emergency callback numbers in Webex Calling: source note webex-calling-ecbn-assigned-excludes-ext-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-ecbn-assigned-excludes-ext-only
BibTeX
@misc{warmtransfer-claim-webex-calling-ecbn-assigned-excludes-ext-only,
title = {Emergency callback numbers in Webex Calling: source note webex-calling-ecbn-assigned-excludes-ext-only},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-calling-ecbn-assigned-excludes-ext-only},
note = {Source note webex-calling-ecbn-assigned-excludes-ext-only, checked 2026-09-25}
}