Before conversion, Cisco requires phones to be on Enterprise firmware 14.2.1SR1 or later, and converted 8800 audio phones with hardware version V15 or later need at least MPP firmware 11.3.3.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco IP Phone 7800
Subsystem
Enterprise to MPP conversion
Deployment
on-premises, multi-tenant
Region
not restricted
Release range
as of guide update 2024-12-21
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Moving from Unified CM to Zoom Phone: source note cucm-to-zoom-phone-e2m-min-firmware. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-zoom-phone-e2m-min-firmware

BibTeX

@misc{warmtransfer-claim-cucm-to-zoom-phone-e2m-min-firmware,
  title  = {Moving from Unified CM to Zoom Phone: source note cucm-to-zoom-phone-e2m-min-firmware},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-to-zoom-phone-e2m-min-firmware},
  note   = {Source note cucm-to-zoom-phone-e2m-min-firmware, checked 2026-09-25}
}

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