Cisco sources give two different availability figures for Webex Calling: 99.99% in the 2021 security white paper and a 99.999% SLA in 2025 and 2026 blog posts; no reviewed source reconciles them or states which figure a contract uses.

disputed · Checked 2026-09-24

Vendor
Cisco
Product
Webex Calling
Subsystem
service availability
Deployment
multi-tenant
Region
not restricted
Release range
2021-08-24 to 2026-09-24
Status
disputed
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Webex service level agreements and objectives: source note webex-sla-commitments-calling-figure-disputed. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-sla-commitments-calling-figure-disputed

BibTeX

@misc{warmtransfer-claim-webex-sla-commitments-calling-figure-disputed,
  title  = {Webex service level agreements and objectives: source note webex-sla-commitments-calling-figure-disputed},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-sla-commitments-calling-figure-disputed},
  note   = {Source note webex-sla-commitments-calling-figure-disputed, checked 2026-09-24}
}

Read in context