Converting a Cisco IP Phone to Multiplatform firmware for Webex Calling has hardware version floors: the 7821 and 7861 require hardware version V03 or later and the 7841 requires V04 or later, and the device must run software version 11.3.1MES5 or later.

Checked 2026-09-16

Vendor
Cisco
Product
Webex Calling
Subsystem
Devices
Deployment
not restricted
Region
not restricted
Release range
not restricted
Checked
2026-09-16

Sources

Cite this note

APA

WarmTransfer. (2026, September 16). Webex Calling supported devices and MPP firmware: source note wxdev-mpp-conversion-needs-a-hardware-version. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxdev-mpp-conversion-needs-a-hardware-version

BibTeX

@misc{warmtransfer-claim-wxdev-mpp-conversion-needs-a-hardware-version,
  title  = {Webex Calling supported devices and MPP firmware: source note wxdev-mpp-conversion-needs-a-hardware-version},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/wxdev-mpp-conversion-needs-a-hardware-version},
  note   = {Source note wxdev-mpp-conversion-needs-a-hardware-version, checked 2026-09-16}
}

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