Source note · Local Gateway design and configuration
Cisco publishes 3 Local Gateway capacity bands per gateway: up to 250 concurrent calls for about 2500 users on a registration-based over-the-top trunk, about 250 to 2000 concurrent calls for about 20000 users on a certificate-based over-the-top trunk, and about 2000 to 6500 concurrent calls for about 65000 users on a certificate-based interconnect trunk.
Checked 2026-09-15
Concurrent call requirement) Approximate user numbers Trunk type Preference Minimum link quality ~ 2000–6500 65000 Certificate-based Interconnect ~ 250–2000 20000 Certificate-based Over the top (OTT) Up to 250 2500 Registration-based OTT
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- Local Gateway
- Deployment
- not restricted
- Region
- not restricted
- Release range
- not restricted
- Checked
- 2026-09-15
Sources
- Get started with Local Gateway — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Calling capacity requirements, Table 5 Calling capacity guidelines (per local gateway)
Cite this note
APA
WarmTransfer. (2026, September 15). Local Gateway design and configuration: source note wxlgw-capacity-bands-tie-trunk-type-to-user-count. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxlgw-capacity-bands-tie-trunk-type-to-user-count
BibTeX
@misc{warmtransfer-claim-wxlgw-capacity-bands-tie-trunk-type-to-user-count,
title = {Local Gateway design and configuration: source note wxlgw-capacity-bands-tie-trunk-type-to-user-count},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxlgw-capacity-bands-tie-trunk-type-to-user-count},
note = {Source note wxlgw-capacity-bands-tie-trunk-type-to-user-count, checked 2026-09-15}
}