Cisco strongly recommends always selecting a route group, not a single trunk, as a location's PSTN choice, and says a trunk and a route group must be created for each local gateway.
Checked 2026-09-24
Cisco strongly recommends always selecting a route group as the PSTN choice
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- call routing
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Implement the migration from Unified CM to Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Integration with on-premises call control; Configure locations
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-route-group-choice. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-route-group-choice
BibTeX
@misc{warmtransfer-claim-cucm-webex-calling-hybrid-build-route-group-choice,
title = {Building a hybrid Unified CM and Webex Calling environment for a phased migration: source note cucm-webex-calling-hybrid-build-route-group-choice},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-route-group-choice},
note = {Source note cucm-webex-calling-hybrid-build-route-group-choice, checked 2026-09-24}
}