The Cisco Headset 520 and 530 Series require Multiplatform Firmware Release 11.1.2 or later on multiplatform phones.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco IP Phone multiplatform firmware
Subsystem
headset compatibility
Deployment
multi-tenant, third-party-call-control
Region
not restricted
Release range
MPP 11.1.2 and later
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Cisco headsets and Webex App calling endpoints: source note cisco-headsets-endpoints-mpp-min-fw-520-530. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-headsets-endpoints-mpp-min-fw-520-530

BibTeX

@misc{warmtransfer-claim-cisco-headsets-endpoints-mpp-min-fw-520-530,
  title  = {Cisco headsets and Webex App calling endpoints: source note cisco-headsets-endpoints-mpp-min-fw-520-530},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cisco-headsets-endpoints-mpp-min-fw-520-530},
  note   = {Source note cisco-headsets-endpoints-mpp-min-fw-520-530, checked 2026-09-25}
}

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