The supported-devices article says a Cisco multiplatform device must run software version 11.3.1MES5 or later to be supported on Webex Calling.

Checked 2026-09-25

Your Cisco multiplatform device must run software version 11.3.1MES5 or later.
Vendor
Cisco
Product
Webex Calling
Subsystem
supported devices
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
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-mpp-min-fw. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-device-onboarding-mpp-min-fw

BibTeX

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

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