For dual call control, Cisco says to deploy one or more Local Gateways for on-premises PSTN to allow calling between Webex Calling and Unified CM endpoints.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Local Gateway
- Subsystem
- interconnect
- Deployment
- on-premises, 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 · Implement the migration > Integration with on-premises call control
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM and Webex Calling coexistence during a migration: source note cucm-webex-calling-coexistence-implement-deploy-lgw. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-calling-coexistence-implement-deploy-lgw
BibTeX
@misc{warmtransfer-claim-cucm-webex-calling-coexistence-implement-deploy-lgw,
title = {Unified CM and Webex Calling coexistence during a migration: source note cucm-webex-calling-coexistence-implement-deploy-lgw},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-webex-calling-coexistence-implement-deploy-lgw},
note = {Source note cucm-webex-calling-coexistence-implement-deploy-lgw, checked 2026-09-24}
}