Two Cisco articles state different MPP firmware floors for different purposes (11.3.1MES5 for support, 11.3.1 SR2 for entering an activation code), so an answer about 'minimum firmware' should name which floor it means.

inferred · Checked 2026-09-25

Vendor
Cisco
Product
Webex Calling
Subsystem
MPP firmware
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Status
inferred
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Webex Calling device onboarding and activation codes: source note webex-calling-device-onboarding-fw-floors-differ. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-device-onboarding-fw-floors-differ

BibTeX

@misc{warmtransfer-claim-webex-calling-device-onboarding-fw-floors-differ,
  title  = {Webex Calling device onboarding and activation codes: source note webex-calling-device-onboarding-fw-floors-differ},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-calling-device-onboarding-fw-floors-differ},
  note   = {Source note webex-calling-device-onboarding-fw-floors-differ, checked 2026-09-25}
}

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