Calls to On-Premises Extensions is enabled per location: calls from that location to an unknown 2-10 digit extension go to the selected route group or trunk, bounded by a Maximum Unknown Extension Length.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- dial plan
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Configure trunks, route groups, and dial plans for Webex Calling — Cisco · tier 2 current vendor documentation · Configure calls to on-premises extensions; Configure call routing between Webex Calling and premises
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-unknown-ext-routing. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-unknown-ext-routing
BibTeX
@misc{warmtransfer-claim-cucm-webex-calling-hybrid-build-unknown-ext-routing,
title = {Building a hybrid Unified CM and Webex Calling environment for a phased migration: source note cucm-webex-calling-hybrid-build-unknown-ext-routing},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-unknown-ext-routing},
note = {Source note cucm-webex-calling-hybrid-build-unknown-ext-routing, checked 2026-09-24}
}