Cisco says all customers should deploy at least the basic emergency calling configuration, which requires at least one customer-owned +E.164 number assigned to each location.
Checked 2026-09-24
Basic emergency calling requires that at least one customer owned +E.164 number be assigned to each location.
- 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
- Design to migrate from Unified CM to Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Emergency calling section
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-basic-emergency-min. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-basic-emergency-min
BibTeX
@misc{warmtransfer-claim-cucm-webex-calling-hybrid-build-basic-emergency-min,
title = {Building a hybrid Unified CM and Webex Calling environment for a phased migration: source note cucm-webex-calling-hybrid-build-basic-emergency-min},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-basic-emergency-min},
note = {Source note cucm-webex-calling-hybrid-build-basic-emergency-min, checked 2026-09-24}
}