Webex Calling Customer Assist can be deployed for agents while other employees stay on Unified CM, interconnected through Local Gateway; Unified CM clusters must be version 14 or 15 with SUs or later.

Checked 2026-09-24

Vendor
Cisco
Product
Webex Calling Customer Assist
Subsystem
interconnect
Deployment
multi-tenant, on-premises
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Unified CM and Webex Calling coexistence during a migration: source note cucm-webex-calling-coexistence-customer-assist-ucm. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-calling-coexistence-customer-assist-ucm

BibTeX

@misc{warmtransfer-claim-cucm-webex-calling-coexistence-customer-assist-ucm,
  title  = {Unified CM and Webex Calling coexistence during a migration: source note cucm-webex-calling-coexistence-customer-assist-ucm},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-webex-calling-coexistence-customer-assist-ucm},
  note   = {Source note cucm-webex-calling-coexistence-customer-assist-ucm, checked 2026-09-24}
}

Read in context