A Webex Calling registration-based trunk supports up to 250 concurrent calls per trunk, and a certificate-based trunk supports more than 250.

Checked 2026-10-14

Concurrent calls of up to 250 per trunk.
Vendor
Cisco
Product
Webex Calling
Subsystem
Local Gateway sizing
Deployment
registration-based-trunk, certificate-based-trunk
Region
not restricted
Release range
current as of 2026-10-14
Checked
2026-10-14

Sources

Cite this note

APA

WarmTransfer. (2026, October 14). Session border controller selection and certification: source note sbc-selection-wxc-registration-250-calls. WarmTransfer. https://warmtransfer.net/knowledge/claims/sbc-selection-wxc-registration-250-calls

BibTeX

@misc{warmtransfer-claim-sbc-selection-wxc-registration-250-calls,
  title  = {Session border controller selection and certification: source note sbc-selection-wxc-registration-250-calls},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sbc-selection-wxc-registration-250-calls},
  note   = {Source note sbc-selection-wxc-registration-250-calls, checked 2026-10-14}
}

Read in context