Cisco's Local Gateway capacity guideline maps a requirement of up to 250 concurrent calls (about 2,500 users) to a registration-based trunk, with over-the-top (OTT) as the minimum link quality.

Checked 2026-09-24

Vendor
Cisco
Product
Webex Calling Local Gateway
Subsystem
capacity guidelines
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). SIP trunk capacity and concurrent call planning: source note sip-trunk-capacity-planning-wxc-tier-up-to-250. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-capacity-planning-wxc-tier-up-to-250

BibTeX

@misc{warmtransfer-claim-sip-trunk-capacity-planning-wxc-tier-up-to-250,
  title  = {SIP trunk capacity and concurrent call planning: source note sip-trunk-capacity-planning-wxc-tier-up-to-250},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-trunk-capacity-planning-wxc-tier-up-to-250},
  note   = {Source note sip-trunk-capacity-planning-wxc-tier-up-to-250, checked 2026-09-24}
}

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