To avoid call loops, the inbound calling search space on the Unified CM trunk from the Local Gateway must not have access to the Webex Calling partition.
Checked 2026-09-24
To avoid call loops the inbound calling search space on the trunk from the Local Gateway should not have access to the Webex Calling partition.
- Vendor
- Cisco
- Product
- Unified CM
- Subsystem
- dial plan
- Deployment
- on-premises
- 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 · Design to migrate > On-premises dial plan in Unified CM
Cite this note
APA
WarmTransfer. (2026, September 24). Unified CM and Webex Calling coexistence during a migration: source note cucm-webex-calling-coexistence-lgw-css-loop. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-calling-coexistence-lgw-css-loop
BibTeX
@misc{warmtransfer-claim-cucm-webex-calling-coexistence-lgw-css-loop,
title = {Unified CM and Webex Calling coexistence during a migration: source note cucm-webex-calling-coexistence-lgw-css-loop},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-webex-calling-coexistence-lgw-css-loop},
note = {Source note cucm-webex-calling-coexistence-lgw-css-loop, checked 2026-09-24}
}