Source note · Session border controller selection and certification
Webex's per-Local-Gateway capacity guidelines pair about 2000-6500 concurrent calls (about 65000 users) with certificate-based Interconnect, and about 250-2000 concurrent calls (about 20000 users) with certificate-based OTT.
Checked 2026-10-14
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- Local Gateway sizing
- Deployment
- certificate-based-trunk
- Region
- not restricted
- Release range
- current as of 2026-10-14
- Checked
- 2026-10-14
Sources
- Get started with Local Gateway — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Table 5 'Calling capacity guidelines (per local gateway)'
Cite this note
APA
WarmTransfer. (2026, October 14). Session border controller selection and certification: source note sbc-selection-wxc-capacity-guideline-table. WarmTransfer. https://warmtransfer.net/knowledge/claims/sbc-selection-wxc-capacity-guideline-table
BibTeX
@misc{warmtransfer-claim-sbc-selection-wxc-capacity-guideline-table,
title = {Session border controller selection and certification: source note sbc-selection-wxc-capacity-guideline-table},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sbc-selection-wxc-capacity-guideline-table},
note = {Source note sbc-selection-wxc-capacity-guideline-table, checked 2026-10-14}
}