The Device Package Compatibility Matrix's current-releases chapter lists only Unified CM 14.0(1), 12.5(1) and 11.5(1), with latest packages dated January 2022, so it cannot be used to pick a Release 15 device pack.

inferred · Checked 2026-09-25

Vendor
Cisco
Product
Cisco Unified Communications Manager device packages
Subsystem
device packs
Deployment
on-premises
Region
not restricted
Release range
Unified CM 15
Status
inferred
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Cisco IP phone firmware management: source note cucm-phone-firmware-compat-matrix-stale. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-compat-matrix-stale

BibTeX

@misc{warmtransfer-claim-cucm-phone-firmware-compat-matrix-stale,
  title  = {Cisco IP phone firmware management: source note cucm-phone-firmware-compat-matrix-stale},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-phone-firmware-compat-matrix-stale},
  note   = {Source note cucm-phone-firmware-compat-matrix-stale, checked 2026-09-25}
}

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