Source note · CUCM to Webex Calling migration
Coexistence routing is enabled per location by turning on unknown extension routing and specifying the maximum unknown extension length in the Call Routing between Webex Calling and premises section.
Checked 2026-09-16
the maximum unknown extension length within the Call Routing between Webex Calling and premises section
- Vendor
- Cisco
- Product
- not restricted
- Subsystem
- Unified CM to Webex Calling migration
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-16
- Checked
- 2026-09-16
Sources
- Implement the migration from Unified CM to Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Section: Integration with on-premises call control
Cite this note
APA
WarmTransfer. (2026, September 16). CUCM to Webex Calling migration: source note ucm-wxc-impl-unknown-extension-routing. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucm-wxc-impl-unknown-extension-routing
BibTeX
@misc{warmtransfer-claim-ucm-wxc-impl-unknown-extension-routing,
title = {CUCM to Webex Calling migration: source note ucm-wxc-impl-unknown-extension-routing},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ucm-wxc-impl-unknown-extension-routing},
note = {Source note ucm-wxc-impl-unknown-extension-routing, checked 2026-09-16}
}