Registration-based Local Gateway trunks support up to 250 concurrent calls per trunk and work only with Cisco CUBE using digest authentication, while certificate-based trunks are the option for more than 250 concurrent calls per trunk.

Checked 2026-09-16

Vendor
Cisco
Product
not restricted
Subsystem
Unified CM to Webex Calling migration
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-16
Checked
2026-09-16

Sources

Cite this note

APA

WarmTransfer. (2026, September 16). CUCM to Webex Calling migration: source note ucm-wxc-lgw-cert-based-above-250. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucm-wxc-lgw-cert-based-above-250

BibTeX

@misc{warmtransfer-claim-ucm-wxc-lgw-cert-based-above-250,
  title  = {CUCM to Webex Calling migration: source note ucm-wxc-lgw-cert-based-above-250},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/ucm-wxc-lgw-cert-based-above-250},
  note   = {Source note ucm-wxc-lgw-cert-based-above-250, checked 2026-09-16}
}

Read in context