Maximum endpoint registrations on the Survivability Gateway are 50 on an ISR 4321 and 100 on an ISR 4331 and 700 on an ISR 4351.

Checked 2026-09-24

Vendor
Cisco
Product
Webex Calling
Subsystem
Survivability Gateway capacity
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). Setting up site survivability for Webex Calling: source note survivability-gateway-setup-capacity-isr43xx. WarmTransfer. https://warmtransfer.net/knowledge/claims/survivability-gateway-setup-capacity-isr43xx

BibTeX

@misc{warmtransfer-claim-survivability-gateway-setup-capacity-isr43xx,
  title  = {Setting up site survivability for Webex Calling: source note survivability-gateway-setup-capacity-isr43xx},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/survivability-gateway-setup-capacity-isr43xx},
  note   = {Source note survivability-gateway-setup-capacity-isr43xx, checked 2026-09-24}
}

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