A Webex Calling user's emergency callback number can be their own telephone number, the location's default ECBN, or another assigned number from the user's location; for extension-only users the own-number option does not appear.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- emergency calling
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Emergency callback number in Control Hub — Cisco · tier 2 current vendor documentation · ECBN options; users without a telephone number
Cite this note
APA
WarmTransfer. (2026, September 24). Building a hybrid Unified CM and Webex Calling environment for a phased migration: source note cucm-webex-calling-hybrid-build-ecbn-options. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-ecbn-options
BibTeX
@misc{warmtransfer-claim-cucm-webex-calling-hybrid-build-ecbn-options,
title = {Building a hybrid Unified CM and Webex Calling environment for a phased migration: source note cucm-webex-calling-hybrid-build-ecbn-options},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-ecbn-options},
note = {Source note cucm-webex-calling-hybrid-build-ecbn-options, checked 2026-09-24}
}